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fish-shell/fish_tests.cpp
ridiculousfish 263f919beb Replace autosuggestions "completions to load" mechanism with moderately 
less hackish and far simpler "perform on main thread" mechanism
2013-11-29 23:44:26 -08:00

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/** \file fish_tests.c
Various bug and feature tests. Compiled and run by make test.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <unistd.h>
#include <termios.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <stdarg.h>
#include <assert.h>
#include <iostream>
#include <string>
#include <sstream>
#include <algorithm>
#include <iterator>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <signal.h>
#include <locale.h>
#include <dirent.h>
#include <time.h>
#include "fallback.h"
#include "util.h"
#include "common.h"
#include "proc.h"
#include "reader.h"
#include "builtin.h"
#include "function.h"
#include "autoload.h"
#include "complete.h"
#include "wutil.h"
#include "env.h"
#include "expand.h"
#include "parser.h"
#include "tokenizer.h"
#include "output.h"
#include "exec.h"
#include "event.h"
#include "path.h"
#include "history.h"
#include "highlight.h"
#include "iothread.h"
#include "postfork.h"
#include "signal.h"
#include "highlight.h"
#include "parse_util.h"
/**
The number of tests to run
*/
#define ESCAPE_TEST_COUNT 100000
/**
The average length of strings to unescape
*/
#define ESCAPE_TEST_LENGTH 100
/**
The higest character number of character to try and escape
*/
#define ESCAPE_TEST_CHAR 4000
/**
Number of laps to run performance testing loop
*/
#define LAPS 50
/**
The result of one of the test passes
*/
#define NUM_ANS L"-7 99999999 1234567 deadbeef DEADBEEFDEADBEEF"
/**
Number of encountered errors
*/
static int err_count=0;
/**
Print formatted output
*/
static void say(const wchar_t *blah, ...)
{
va_list va;
va_start(va, blah);
vwprintf(blah, va);
va_end(va);
wprintf(L"\n");
}
/**
Print formatted error string
*/
static void err(const wchar_t *blah, ...)
{
va_list va;
va_start(va, blah);
err_count++;
wprintf(L"Error: ");
vwprintf(blah, va);
va_end(va);
wprintf(L"\n");
}
/* Test sane escapes */
static void test_unescape_sane()
{
const struct test_t {const wchar_t * input; const wchar_t * expected;} tests[] =
{
{L"abcd", L"abcd"},
{L"'abcd'", L"abcd"},
{L"'abcd\\n'", L"abcd\\n"},
{L"\"abcd\\n\"", L"abcd\\n"},
{L"\"abcd\\n\"", L"abcd\\n"},
{L"\\143", L"c"},
{L"'\\143'", L"\\143"},
{L"\\n", L"\n"} // \n normally becomes newline
};
wcstring output;
for (size_t i=0; i < sizeof tests / sizeof *tests; i++)
{
bool ret = unescape_string(tests[i].input, &output, UNESCAPE_DEFAULT);
if (! ret)
{
err(L"Failed to unescape '%ls'\n", tests[i].input);
}
else if (output != tests[i].expected)
{
err(L"In unescaping '%ls', expected '%ls' but got '%ls'\n", tests[i].input, tests[i].expected, output.c_str());
}
}
// test for overflow
if (unescape_string(L"echo \\UFFFFFF", &output, UNESCAPE_DEFAULT))
{
err(L"Should not have been able to unescape \\UFFFFFF\n");
}
if (unescape_string(L"echo \\U110000", &output, UNESCAPE_DEFAULT))
{
err(L"Should not have been able to unescape \\U110000\n");
}
if (! unescape_string(L"echo \\U10FFFF", &output, UNESCAPE_DEFAULT))
{
err(L"Should have been able to unescape \\U10FFFF\n");
}
}
/**
Test the escaping/unescaping code by escaping/unescaping random
strings and verifying that the original string comes back.
*/
static void test_escape_crazy()
{
say(L"Testing escaping and unescaping");
wcstring random_string;
wcstring escaped_string;
wcstring unescaped_string;
for (size_t i=0; i<ESCAPE_TEST_COUNT; i++)
{
random_string.clear();
while (rand() % ESCAPE_TEST_LENGTH)
{
random_string.push_back((rand() % ESCAPE_TEST_CHAR) +1);
}
escaped_string = escape_string(random_string, ESCAPE_ALL);
bool unescaped_success = unescape_string(escaped_string, &unescaped_string, UNESCAPE_DEFAULT);
if (! unescaped_success)
{
err(L"Failed to unescape string <%ls>", escaped_string.c_str());
}
else if (unescaped_string != random_string)
{
err(L"Escaped and then unescaped string '%ls', but got back a different string '%ls'", random_string.c_str(), unescaped_string.c_str());
}
}
}
static void test_format(void)
{
say(L"Testing formatting functions");
struct
{
unsigned long long val;
const char *expected;
} tests[] =
{
{ 0, "empty" },
{ 1, "1B" },
{ 2, "2B" },
{ 1024, "1kB" },
{ 1870, "1.8kB" },
{ 4322911, "4.1MB" }
};
size_t i;
for (i=0; i < sizeof tests / sizeof *tests; i++)
{
char buff[128];
format_size_safe(buff, tests[i].val);
assert(! strcmp(buff, tests[i].expected));
}
for (int j=-129; j <= 129; j++)
{
char buff1[128], buff2[128];
format_long_safe(buff1, j);
sprintf(buff2, "%d", j);
assert(! strcmp(buff1, buff2));
}
long q = LONG_MIN;
char buff1[128], buff2[128];
format_long_safe(buff1, q);
sprintf(buff2, "%ld", q);
assert(! strcmp(buff1, buff2));
}
/**
Test wide/narrow conversion by creating random strings and
verifying that the original string comes back thorugh double
conversion.
*/
static void test_convert()
{
/* char o[] =
{
-17, -128, -121, -68, 0
}
;
wchar_t *w = str2wcs(o);
char *n = wcs2str(w);
int i;
for( i=0; o[i]; i++ )
{
bitprint(o[i]);;
//wprintf(L"%d ", o[i]);
}
wprintf(L"\n");
for( i=0; w[i]; i++ )
{
wbitprint(w[i]);;
//wprintf(L"%d ", w[i]);
}
wprintf(L"\n");
for( i=0; n[i]; i++ )
{
bitprint(n[i]);;
//wprintf(L"%d ", n[i]);
}
wprintf(L"\n");
return;
*/
int i;
std::vector<char> sb;
say(L"Testing wide/narrow string conversion");
for (i=0; i<ESCAPE_TEST_COUNT; i++)
{
const char *o, *n;
char c;
sb.clear();
while (rand() % ESCAPE_TEST_LENGTH)
{
c = rand();
sb.push_back(c);
}
c = 0;
sb.push_back(c);
o = &sb.at(0);
const wcstring w = str2wcstring(o);
n = wcs2str(w.c_str());
if (!o || !n)
{
err(L"Line %d - Conversion cycle of string %s produced null pointer on %s", __LINE__, o, L"wcs2str");
}
if (strcmp(o, n))
{
err(L"Line %d - %d: Conversion cycle of string %s produced different string %s", __LINE__, i, o, n);
}
free((void *)n);
}
}
/* Verify correct behavior with embedded nulls */
static void test_convert_nulls(void)
{
say(L"Testing embedded nulls in string conversion");
const wchar_t in[] = L"AAA\0BBB";
const size_t in_len = (sizeof in / sizeof *in) - 1;
const wcstring in_str = wcstring(in, in_len);
std::string out_str = wcs2string(in_str);
if (out_str.size() != in_len)
{
err(L"Embedded nulls mishandled in wcs2string");
}
for (size_t i=0; i < in_len; i++)
{
if (in[i] != out_str.at(i))
{
err(L"Embedded nulls mishandled in wcs2string at index %lu", (unsigned long)i);
}
}
wcstring out_wstr = str2wcstring(out_str);
if (out_wstr.size() != in_len)
{
err(L"Embedded nulls mishandled in str2wcstring");
}
for (size_t i=0; i < in_len; i++)
{
if (in[i] != out_wstr.at(i))
{
err(L"Embedded nulls mishandled in str2wcstring at index %lu", (unsigned long)i);
}
}
}
/**
Test the tokenizer
*/
static void test_tok()
{
say(L"Testing tokenizer");
say(L"Testing invalid input");
tokenizer_t t(NULL, 0);
if (tok_last_type(&t) != TOK_ERROR)
{
err(L"Invalid input to tokenizer was undetected");
}
say(L"Testing use of broken tokenizer");
if (!tok_has_next(&t))
{
err(L"tok_has_next() should return 1 once on broken tokenizer");
}
tok_next(&t);
if (tok_last_type(&t) != TOK_ERROR)
{
err(L"Invalid input to tokenizer was undetected");
}
/*
This should crash if there is a bug. No reliable way to detect otherwise.
*/
say(L"Test destruction of broken tokenizer");
{
const wchar_t *str = L"string <redirection 2>&1 'nested \"quoted\" '(string containing subshells ){and,brackets}$as[$well (as variable arrays)] not_a_redirect^ ^ ^^is_a_redirect";
const int types[] =
{
TOK_STRING, TOK_REDIRECT_IN, TOK_STRING, TOK_REDIRECT_FD, TOK_STRING, TOK_STRING, TOK_STRING, TOK_REDIRECT_OUT, TOK_REDIRECT_APPEND, TOK_STRING, TOK_END
};
say(L"Test correct tokenization");
tokenizer_t t(str, 0);
for (size_t i=0; i < sizeof types / sizeof *types; i++, tok_next(&t))
{
if (types[i] != tok_last_type(&t))
{
err(L"Tokenization error:");
wprintf(L"Token number %d of string \n'%ls'\n, expected token type %ls, got token '%ls' of type %ls\n",
i+1,
str,
tok_get_desc(types[i]),
tok_last(&t),
tok_get_desc(tok_last_type(&t)));
}
}
}
}
static int test_fork_helper(void *unused)
{
size_t i;
for (i=0; i < 1000; i++)
{
//delete [](new char[4 * 1024 * 1024]);
for (int j=0; j < 1024; j++)
{
strerror(j);
}
}
return 0;
}
static void test_fork(void)
{
return;
say(L"Testing fork");
size_t i, max = 100;
for (i=0; i < 100; i++)
{
printf("%lu / %lu\n", (unsigned long)(i+1), (unsigned long) max);
/* Do something horrible to try to trigger an error */
#define THREAD_COUNT 8
#define FORK_COUNT 10
#define FORK_LOOP_COUNT 16
signal_block();
for (size_t i=0; i < THREAD_COUNT; i++)
{
iothread_perform<void>(test_fork_helper, NULL, NULL);
}
for (size_t q = 0; q < FORK_LOOP_COUNT; q++)
{
pid_t pids[FORK_COUNT];
for (size_t i=0; i < FORK_COUNT; i++)
{
pid_t pid = execute_fork(false);
if (pid > 0)
{
/* Parent */
pids[i] = pid;
}
else if (pid == 0)
{
/* Child */
//new char[4 * 1024 * 1024];
for (size_t i=0; i < 1024 * 16; i++)
{
for (int j=0; j < 256; j++)
{
strerror(j);
}
}
exit_without_destructors(0);
}
else
{
perror("fork");
}
}
for (size_t i=0; i < FORK_COUNT; i++)
{
int status = 0;
if (pids[i] != waitpid(pids[i], &status, 0))
{
perror("waitpid");
assert(0);
}
assert(WIFEXITED(status) && 0 == WEXITSTATUS(status));
}
}
iothread_drain_all();
signal_unblock();
}
#undef FORK_COUNT
}
// Little function that runs in the main thread
static int test_iothread_main_call(int *addr)
{
*addr += 1;
return *addr;
}
// Little function that runs in a background thread, bouncing to the main
static int test_iothread_thread_call(int *addr)
{
int before = *addr;
iothread_perform_on_main(test_iothread_main_call, addr);
int after = *addr;
// Must have incremented it at least once
if (before >= after)
{
err(L"Failed to increment from background thread");
}
return after;
}
static void test_iothread(void)
{
say(L"Testing iothreads");
int *int_ptr = new int(0);
int iterations = 1000;
for (int i=0; i < iterations; i++)
{
iothread_perform(test_iothread_thread_call, (void (*)(int *, int))NULL, int_ptr);
}
// Now wait until we're done
iothread_drain_all();
// Should have incremented it once per thread
if (*int_ptr != iterations)
{
say(L"Expected int to be %d, but instead it was %d", iterations, *int_ptr);
}
delete int_ptr;
}
/**
Test the parser
*/
static void test_parser()
{
say(L"Testing parser");
parser_t parser(PARSER_TYPE_GENERAL, true);
say(L"Testing null input to parser");
if (!parser.test(NULL))
{
err(L"Null input to parser.test undetected");
}
say(L"Testing block nesting");
if (!parser.test(L"if; end"))
{
err(L"Incomplete if statement undetected");
}
if (!parser.test(L"if test; echo"))
{
err(L"Missing end undetected");
}
if (!parser.test(L"if test; end; end"))
{
err(L"Unbalanced end undetected");
}
say(L"Testing detection of invalid use of builtin commands");
if (!parser.test(L"case foo"))
{
err(L"'case' command outside of block context undetected");
}
if (!parser.test(L"switch ggg; if true; case foo;end;end"))
{
err(L"'case' command outside of switch block context undetected");
}
if (!parser.test(L"else"))
{
err(L"'else' command outside of conditional block context undetected");
}
if (!parser.test(L"else if"))
{
err(L"'else if' command outside of conditional block context undetected");
}
if (!parser.test(L"if false; else if; end"))
{
err(L"'else if' missing command undetected");
}
if (!parser.test(L"break"))
{
err(L"'break' command outside of loop block context undetected");
}
if (!parser.test(L"exec ls|less") || !parser.test(L"echo|return"))
{
err(L"Invalid pipe command undetected");
}
say(L"Testing basic evaluation");
#if 0
/* This fails now since the parser takes a wcstring&, and NULL converts to wchar_t * converts to wcstring which crashes (thanks C++) */
if (!parser.eval(0, 0, TOP))
{
err(L"Null input when evaluating undetected");
}
#endif
if (!parser.eval(L"ls", io_chain_t(), WHILE))
{
err(L"Invalid block mode when evaluating undetected");
}
}
static void test_utils()
{
say(L"Testing utils");
const wchar_t *a = L"echo (echo (echo hi";
const wchar_t *begin = NULL, *end = NULL;
parse_util_cmdsubst_extent(a, 0, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 1, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 2, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 3, &begin, &end);
if (begin != a || end != begin + wcslen(begin)) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 8, &begin, &end);
if (begin != a + wcslen(L"echo (")) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
parse_util_cmdsubst_extent(a, 17, &begin, &end);
if (begin != a + wcslen(L"echo (echo (")) err(L"parse_util_cmdsubst_extent failed on line %ld", (long)__LINE__);
}
static void test_escape_sequences(void)
{
say(L"Testing escape codes");
if (escape_code_length(L"") != 0) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"abcd") != 0) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"\x1b[2J") != 4) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"\x1b[38;5;123mABC") != strlen("\x1b[38;5;123m")) err(L"test_escape_sequences failed on line %d\n", __LINE__);
if (escape_code_length(L"\x1b@") != 2) err(L"test_escape_sequences failed on line %d\n", __LINE__);
}
class lru_node_test_t : public lru_node_t
{
public:
lru_node_test_t(const wcstring &tmp) : lru_node_t(tmp) { }
};
class test_lru_t : public lru_cache_t<lru_node_test_t>
{
public:
test_lru_t() : lru_cache_t<lru_node_test_t>(16) { }
std::vector<lru_node_test_t *> evicted_nodes;
virtual void node_was_evicted(lru_node_test_t *node)
{
assert(find(evicted_nodes.begin(), evicted_nodes.end(), node) == evicted_nodes.end());
evicted_nodes.push_back(node);
}
};
static void test_lru(void)
{
say(L"Testing LRU cache");
test_lru_t cache;
std::vector<lru_node_test_t *> expected_evicted;
size_t total_nodes = 20;
for (size_t i=0; i < total_nodes; i++)
{
assert(cache.size() == std::min(i, (size_t)16));
lru_node_test_t *node = new lru_node_test_t(to_string(i));
if (i < 4) expected_evicted.push_back(node);
// Adding the node the first time should work, and subsequent times should fail
assert(cache.add_node(node));
assert(! cache.add_node(node));
}
assert(cache.evicted_nodes == expected_evicted);
cache.evict_all_nodes();
assert(cache.evicted_nodes.size() == total_nodes);
while (! cache.evicted_nodes.empty())
{
lru_node_t *node = cache.evicted_nodes.back();
cache.evicted_nodes.pop_back();
delete node;
}
}
/**
Perform parameter expansion and test if the output equals the zero-terminated parameter list supplied.
\param in the string to expand
\param flags the flags to send to expand_string
*/
static int expand_test(const wchar_t *in, int flags, ...)
{
std::vector<completion_t> output;
va_list va;
size_t i=0;
int res=1;
wchar_t *arg;
if (expand_string(in, output, flags))
{
}
#if 0
for (size_t idx=0; idx < output.size(); idx++)
{
printf("%ls\n", output.at(idx).completion.c_str());
}
#endif
va_start(va, flags);
while ((arg=va_arg(va, wchar_t *))!= 0)
{
if (output.size() == i)
{
res=0;
break;
}
if (output.at(i).completion != arg)
{
res=0;
break;
}
i++;
}
va_end(va);
return res;
}
/**
Test globbing and other parameter expansion
*/
static void test_expand()
{
say(L"Testing parameter expansion");
if (!expand_test(L"foo", 0, L"foo", 0))
{
err(L"Strings do not expand to themselves");
}
if (!expand_test(L"a{b,c,d}e", 0, L"abe", L"ace", L"ade", 0))
{
err(L"Bracket expansion is broken");
}
if (!expand_test(L"a*", EXPAND_SKIP_WILDCARDS, L"a*", 0))
{
err(L"Cannot skip wildcard expansion");
}
if (system("mkdir -p /tmp/fish_expand_test/")) err(L"mkdir failed");
if (system("touch /tmp/fish_expand_test/.foo")) err(L"touch failed");
if (system("touch /tmp/fish_expand_test/bar")) err(L"touch failed");
// This is checking that .* does NOT match . and .. (https://github.com/fish-shell/fish-shell/issues/270). But it does have to match literal components (e.g. "./*" has to match the same as "*"
if (! expand_test(L"/tmp/fish_expand_test/.*", 0, L"/tmp/fish_expand_test/.foo", 0))
{
err(L"Expansion not correctly handling dotfiles");
}
if (! expand_test(L"/tmp/fish_expand_test/./.*", 0, L"/tmp/fish_expand_test/./.foo", 0))
{
err(L"Expansion not correctly handling literal path components in dotfiles");
}
system("rm -Rf /tmp/fish_expand_test");
}
static void test_fuzzy_match(void)
{
say(L"Testing fuzzy string matching");
if (string_fuzzy_match_string(L"", L"").type != fuzzy_match_exact) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"alpha", L"alpha").type != fuzzy_match_exact) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"alp", L"alpha").type != fuzzy_match_prefix) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"ALPHA!", L"alPhA!").type != fuzzy_match_case_insensitive) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"alPh", L"ALPHA!").type != fuzzy_match_prefix_case_insensitive) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"LPH", L"ALPHA!").type != fuzzy_match_substring) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"AA", L"ALPHA!").type != fuzzy_match_subsequence_insertions_only) err(L"test_fuzzy_match failed on line %ld", __LINE__);
if (string_fuzzy_match_string(L"BB", L"ALPHA!").type != fuzzy_match_none) err(L"test_fuzzy_match failed on line %ld", __LINE__);
}
static void test_abbreviations(void)
{
say(L"Testing abbreviations");
const wchar_t *abbreviations =
L"gc=git checkout" ARRAY_SEP_STR
L"foo=" ARRAY_SEP_STR
L"gc=something else" ARRAY_SEP_STR
L"=" ARRAY_SEP_STR
L"=foo" ARRAY_SEP_STR
L"foo" ARRAY_SEP_STR
L"foo=bar";
env_push(true);
int ret = env_set(USER_ABBREVIATIONS_VARIABLE_NAME, abbreviations, ENV_LOCAL);
if (ret != 0) err(L"Unable to set abbreviation variable");
wcstring result;
if (expand_abbreviation(L"", &result)) err(L"Unexpected success with empty abbreviation");
if (expand_abbreviation(L"nothing", &result)) err(L"Unexpected success with missing abbreviation");
if (! expand_abbreviation(L"gc", &result)) err(L"Unexpected failure with gc abbreviation");
if (result != L"git checkout") err(L"Wrong abbreviation result for gc");
result.clear();
if (! expand_abbreviation(L"foo", &result)) err(L"Unexpected failure with foo abbreviation");
if (result != L"bar") err(L"Wrong abbreviation result for foo");
bool expanded;
expanded = reader_expand_abbreviation_in_command(L"just a command", 3, &result);
if (expanded) err(L"Command wrongly expanded on line %ld", (long)__LINE__);
expanded = reader_expand_abbreviation_in_command(L"gc somebranch", 0, &result);
if (! expanded) err(L"Command not expanded on line %ld", (long)__LINE__);
expanded = reader_expand_abbreviation_in_command(L"gc somebranch", wcslen(L"gc"), &result);
if (! expanded) err(L"gc not expanded");
if (result != L"git checkout somebranch") err(L"gc incorrectly expanded on line %ld to '%ls'", (long)__LINE__, result.c_str());
expanded = reader_expand_abbreviation_in_command(L"echo hi ; gc somebranch", wcslen(L"echo hi ; g"), &result);
if (! expanded) err(L"gc not expanded on line %ld", (long)__LINE__);
if (result != L"echo hi ; git checkout somebranch") err(L"gc incorrectly expanded on line %ld", (long)__LINE__);
expanded = reader_expand_abbreviation_in_command(L"echo (echo (echo (echo (gc ", wcslen(L"echo (echo (echo (echo (gc"), &result);
if (! expanded) err(L"gc not expanded on line %ld", (long)__LINE__);
if (result != L"echo (echo (echo (echo (git checkout ") err(L"gc incorrectly expanded on line %ld to '%ls'", (long)__LINE__, result.c_str());
/* if commands should be expanded */
expanded = reader_expand_abbreviation_in_command(L"if gc", wcslen(L"if gc"), &result);
if (! expanded) err(L"gc not expanded on line %ld", (long)__LINE__);
if (result != L"if git checkout") err(L"gc incorrectly expanded on line %ld to '%ls'", (long)__LINE__, result.c_str());
/* others should not be */
expanded = reader_expand_abbreviation_in_command(L"of gc", wcslen(L"of gc"), &result);
if (expanded) err(L"gc incorrectly expanded on line %ld", (long)__LINE__);
env_pop();
}
/** Test path functions */
static void test_path()
{
say(L"Testing path functions");
wcstring path = L"//foo//////bar/";
path_make_canonical(path);
if (path != L"/foo/bar")
{
err(L"Bug in canonical PATH code");
}
path = L"/";
path_make_canonical(path);
if (path != L"/")
{
err(L"Bug in canonical PATH code");
}
if (paths_are_equivalent(L"/foo/bar/baz", L"foo/bar/baz")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
if (! paths_are_equivalent(L"///foo///bar/baz", L"/foo/bar////baz//")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
if (! paths_are_equivalent(L"/foo/bar/baz", L"/foo/bar/baz")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
if (! paths_are_equivalent(L"/", L"/")) err(L"Bug in canonical PATH code on line %ld", (long)__LINE__);
}
enum word_motion_t
{
word_motion_left,
word_motion_right
};
static void test_1_word_motion(word_motion_t motion, move_word_style_t style, const wcstring &test)
{
wcstring command;
std::set<size_t> stops;
// Carets represent stops and should be cut out of the command
for (size_t i=0; i < test.size(); i++)
{
wchar_t wc = test.at(i);
if (wc == L'^')
{
stops.insert(command.size());
}
else
{
command.push_back(wc);
}
}
size_t idx, end;
if (motion == word_motion_left)
{
idx = command.size();
end = 0;
}
else
{
idx = 0;
end = command.size();
}
move_word_state_machine_t sm(style);
while (idx != end)
{
size_t char_idx = (motion == word_motion_left ? idx - 1 : idx);
wchar_t wc = command.at(char_idx);
bool will_stop = ! sm.consume_char(wc);
//printf("idx %lu, looking at %lu (%c): %d\n", idx, char_idx, (char)wc, will_stop);
bool expected_stop = (stops.count(idx) > 0);
if (will_stop != expected_stop)
{
wcstring tmp = command;
tmp.insert(idx, L"^");
const char *dir = (motion == word_motion_left ? "left" : "right");
if (will_stop)
{
err(L"Word motion: moving %s, unexpected stop at idx %lu: '%ls'", dir, idx, tmp.c_str());
}
else if (! will_stop && expected_stop)
{
err(L"Word motion: moving %s, should have stopped at idx %lu: '%ls'", dir, idx, tmp.c_str());
}
}
// We don't expect to stop here next time
if (expected_stop)
{
stops.erase(idx);
}
if (will_stop)
{
sm.reset();
}
else
{
idx += (motion == word_motion_left ? -1 : 1);
}
}
}
/** Test word motion (forward-word, etc.). Carets represent cursor stops. */
static void test_word_motion()
{
say(L"Testing word motion");
test_1_word_motion(word_motion_left, move_word_style_punctuation, L"^echo ^hello_^world.^txt");
test_1_word_motion(word_motion_right, move_word_style_punctuation, L"echo^ hello^_world^.txt^");
test_1_word_motion(word_motion_left, move_word_style_punctuation, L"echo ^foo_^foo_^foo/^/^/^/^/^ ");
test_1_word_motion(word_motion_right, move_word_style_punctuation, L"echo^ foo^_foo^_foo^/^/^/^/^/ ^");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^/^foo/^bar/^baz/");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^echo ^--foo ^--bar");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^echo ^hi ^> /^dev/^null");
test_1_word_motion(word_motion_left, move_word_style_path_components, L"^echo /^foo/^bar{^aaa,^bbb,^ccc}^bak/");
}
/** Test is_potential_path */
static void test_is_potential_path()
{
say(L"Testing is_potential_path");
if (system("rm -Rf /tmp/is_potential_path_test/"))
{
err(L"Failed to remove /tmp/is_potential_path_test/");
}
/* Directories */
if (system("mkdir -p /tmp/is_potential_path_test/alpha/")) err(L"mkdir failed");
if (system("mkdir -p /tmp/is_potential_path_test/beta/")) err(L"mkdir failed");
/* Files */
if (system("touch /tmp/is_potential_path_test/aardvark")) err(L"touch failed");
if (system("touch /tmp/is_potential_path_test/gamma")) err(L"touch failed");
const wcstring wd = L"/tmp/is_potential_path_test/";
const wcstring_list_t wds(1, wd);
wcstring tmp;
assert(is_potential_path(L"al", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"alpha/");
assert(is_potential_path(L"alpha/", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"alpha/");
assert(is_potential_path(L"aard", wds, 0, &tmp) && tmp == L"aardvark");
assert(! is_potential_path(L"balpha/", wds, PATH_REQUIRE_DIR, &tmp));
assert(! is_potential_path(L"aard", wds, PATH_REQUIRE_DIR, &tmp));
assert(! is_potential_path(L"aarde", wds, PATH_REQUIRE_DIR, &tmp));
assert(! is_potential_path(L"aarde", wds, 0, &tmp));
assert(is_potential_path(L"/tmp/is_potential_path_test/aardvark", wds, 0, &tmp) && tmp == L"/tmp/is_potential_path_test/aardvark");
assert(is_potential_path(L"/tmp/is_potential_path_test/al", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"/tmp/is_potential_path_test/alpha/");
assert(is_potential_path(L"/tmp/is_potential_path_test/aardv", wds, 0, &tmp) && tmp == L"/tmp/is_potential_path_test/aardvark");
assert(! is_potential_path(L"/tmp/is_potential_path_test/aardvark", wds, PATH_REQUIRE_DIR, &tmp));
assert(! is_potential_path(L"/tmp/is_potential_path_test/al/", wds, 0, &tmp));
assert(! is_potential_path(L"/tmp/is_potential_path_test/ar", wds, 0, &tmp));
assert(is_potential_path(L"/usr", wds, PATH_REQUIRE_DIR, &tmp) && tmp == L"/usr/");
}
/** Test the 'test' builtin */
int builtin_test(parser_t &parser, wchar_t **argv);
static bool run_one_test_test(int expected, wcstring_list_t &lst, bool bracket)
{
parser_t parser(PARSER_TYPE_GENERAL, true);
size_t i, count = lst.size();
wchar_t **argv = new wchar_t *[count+3];
argv[0] = (wchar_t *)(bracket ? L"[" : L"test");
for (i=0; i < count; i++)
{
argv[i+1] = (wchar_t *)lst.at(i).c_str();
}
if (bracket)
{
argv[i+1] = (wchar_t *)L"]";
i++;
}
argv[i+1] = NULL;
int result = builtin_test(parser, argv);
delete[] argv;
return expected == result;
}
static bool run_test_test(int expected, const wcstring &str)
{
using namespace std;
wcstring_list_t lst;
wistringstream iss(str);
copy(istream_iterator<wcstring, wchar_t, std::char_traits<wchar_t> >(iss),
istream_iterator<wstring, wchar_t, std::char_traits<wchar_t> >(),
back_inserter<vector<wcstring> >(lst));
bool bracket = run_one_test_test(expected, lst, true);
bool nonbracket = run_one_test_test(expected, lst, false);
assert(bracket == nonbracket);
return nonbracket;
}
static void test_test_brackets()
{
// Ensure [ knows it needs a ]
parser_t parser(PARSER_TYPE_GENERAL, true);
const wchar_t *argv1[] = {L"[", L"foo", NULL};
assert(builtin_test(parser, (wchar_t **)argv1) != 0);
const wchar_t *argv2[] = {L"[", L"foo", L"]", NULL};
assert(builtin_test(parser, (wchar_t **)argv2) == 0);
const wchar_t *argv3[] = {L"[", L"foo", L"]", L"bar", NULL};
assert(builtin_test(parser, (wchar_t **)argv3) != 0);
}
static void test_test()
{
say(L"Testing test builtin");
test_test_brackets();
assert(run_test_test(0, L"5 -ne 6"));
assert(run_test_test(0, L"5 -eq 5"));
assert(run_test_test(0, L"0 -eq 0"));
assert(run_test_test(0, L"-1 -eq -1"));
assert(run_test_test(0, L"1 -ne -1"));
assert(run_test_test(1, L"-1 -ne -1"));
assert(run_test_test(0, L"abc != def"));
assert(run_test_test(1, L"abc = def"));
assert(run_test_test(0, L"5 -le 10"));
assert(run_test_test(0, L"10 -le 10"));
assert(run_test_test(1, L"20 -le 10"));
assert(run_test_test(0, L"-1 -le 0"));
assert(run_test_test(1, L"0 -le -1"));
assert(run_test_test(0, L"15 -ge 10"));
assert(run_test_test(0, L"15 -ge 10"));
assert(run_test_test(1, L"! 15 -ge 10"));
assert(run_test_test(0, L"! ! 15 -ge 10"));
assert(run_test_test(0, L"0 -ne 1 -a 0 -eq 0"));
assert(run_test_test(0, L"0 -ne 1 -a -n 5"));
assert(run_test_test(0, L"-n 5 -a 10 -gt 5"));
assert(run_test_test(0, L"-n 3 -a -n 5"));
/* test precedence:
'0 == 0 || 0 == 1 && 0 == 2'
should be evaluated as:
'0 == 0 || (0 == 1 && 0 == 2)'
and therefore true. If it were
'(0 == 0 || 0 == 1) && 0 == 2'
it would be false. */
assert(run_test_test(0, L"0 = 0 -o 0 = 1 -a 0 = 2"));
assert(run_test_test(0, L"-n 5 -o 0 = 1 -a 0 = 2"));
assert(run_test_test(1, L"( 0 = 0 -o 0 = 1 ) -a 0 = 2"));
assert(run_test_test(0, L"0 = 0 -o ( 0 = 1 -a 0 = 2 )"));
/* A few lame tests for permissions; these need to be a lot more complete. */
assert(run_test_test(0, L"-e /bin/ls"));
assert(run_test_test(1, L"-e /bin/ls_not_a_path"));
assert(run_test_test(0, L"-x /bin/ls"));
assert(run_test_test(1, L"-x /bin/ls_not_a_path"));
assert(run_test_test(0, L"-d /bin/"));
assert(run_test_test(1, L"-d /bin/ls"));
/* This failed at one point */
assert(run_test_test(1, L"-d /bin -a 5 -eq 3"));
assert(run_test_test(0, L"-d /bin -o 5 -eq 3"));
assert(run_test_test(0, L"-d /bin -a ! 5 -eq 3"));
/* We didn't properly handle multiple "just strings" either */
assert(run_test_test(0, L"foo"));
assert(run_test_test(0, L"foo -a bar"));
/* These should be errors */
assert(run_test_test(1, L"foo bar"));
assert(run_test_test(1, L"foo bar baz"));
/* This crashed */
assert(run_test_test(1, L"1 = 1 -a = 1"));
/* Make sure we can treat -S as a parameter instead of an operator. https://github.com/fish-shell/fish-shell/issues/601 */
assert(run_test_test(0, L"-S = -S"));
assert(run_test_test(1, L"! ! ! A"));
}
/** Testing colors */
static void test_colors()
{
say(L"Testing colors");
assert(rgb_color_t(L"#FF00A0").is_rgb());
assert(rgb_color_t(L"FF00A0").is_rgb());
assert(rgb_color_t(L"#F30").is_rgb());
assert(rgb_color_t(L"F30").is_rgb());
assert(rgb_color_t(L"f30").is_rgb());
assert(rgb_color_t(L"#FF30a5").is_rgb());
assert(rgb_color_t(L"3f30").is_none());
assert(rgb_color_t(L"##f30").is_none());
assert(rgb_color_t(L"magenta").is_named());
assert(rgb_color_t(L"MaGeNTa").is_named());
assert(rgb_color_t(L"mooganta").is_none());
}
static void test_complete(void)
{
say(L"Testing complete");
const wchar_t *name_strs[] = {L"Foo1", L"Foo2", L"Foo3", L"Bar1", L"Bar2", L"Bar3"};
size_t count = sizeof name_strs / sizeof *name_strs;
const wcstring_list_t names(name_strs, name_strs + count);
complete_set_variable_names(&names);
std::vector<completion_t> completions;
complete(L"$F", completions, COMPLETION_REQUEST_DEFAULT);
assert(completions.size() == 3);
assert(completions.at(0).completion == L"oo1");
assert(completions.at(1).completion == L"oo2");
assert(completions.at(2).completion == L"oo3");
completions.clear();
complete(L"$1", completions, COMPLETION_REQUEST_DEFAULT);
assert(completions.empty());
completions.clear();
complete(L"$1", completions, COMPLETION_REQUEST_DEFAULT | COMPLETION_REQUEST_FUZZY_MATCH);
assert(completions.size() == 2);
assert(completions.at(0).completion == L"$Foo1");
assert(completions.at(1).completion == L"$Bar1");
complete_set_variable_names(NULL);
}
static void test_1_completion(wcstring line, const wcstring &completion, complete_flags_t flags, bool append_only, wcstring expected, long source_line)
{
// str is given with a caret, which we use to represent the cursor position
// find it
const size_t in_cursor_pos = line.find(L'^');
assert(in_cursor_pos != wcstring::npos);
line.erase(in_cursor_pos, 1);
const size_t out_cursor_pos = expected.find(L'^');
assert(out_cursor_pos != wcstring::npos);
expected.erase(out_cursor_pos, 1);
size_t cursor_pos = in_cursor_pos;
wcstring result = completion_apply_to_command_line(completion, flags, line, &cursor_pos, append_only);
if (result != expected)
{
fprintf(stderr, "line %ld: %ls + %ls -> [%ls], expected [%ls]\n", source_line, line.c_str(), completion.c_str(), result.c_str(), expected.c_str());
}
assert(result == expected);
assert(cursor_pos == out_cursor_pos);
}
static void test_completion_insertions()
{
#define TEST_1_COMPLETION(a, b, c, d, e) test_1_completion(a, b, c, d, e, __LINE__)
say(L"Testing completion insertions");
TEST_1_COMPLETION(L"foo^", L"bar", 0, false, L"foobar ^");
TEST_1_COMPLETION(L"foo^ baz", L"bar", 0, false, L"foobar ^ baz"); //we really do want to insert two spaces here - otherwise it's hidden by the cursor
TEST_1_COMPLETION(L"'foo^", L"bar", 0, false, L"'foobar' ^");
TEST_1_COMPLETION(L"'foo'^", L"bar", 0, false, L"'foobar' ^");
TEST_1_COMPLETION(L"'foo\\'^", L"bar", 0, false, L"'foo\\'bar' ^");
TEST_1_COMPLETION(L"foo\\'^", L"bar", 0, false, L"foo\\'bar ^");
// Test append only
TEST_1_COMPLETION(L"foo^", L"bar", 0, true, L"foobar ^");
TEST_1_COMPLETION(L"foo^ baz", L"bar", 0, true, L"foobar ^ baz");
TEST_1_COMPLETION(L"'foo^", L"bar", 0, true, L"'foobar' ^");
TEST_1_COMPLETION(L"'foo'^", L"bar", 0, true, L"'foo'bar ^");
TEST_1_COMPLETION(L"'foo\\'^", L"bar", 0, true, L"'foo\\'bar' ^");
TEST_1_COMPLETION(L"foo\\'^", L"bar", 0, true, L"foo\\'bar ^");
TEST_1_COMPLETION(L"foo^", L"bar", COMPLETE_NO_SPACE, false, L"foobar^");
TEST_1_COMPLETION(L"'foo^", L"bar", COMPLETE_NO_SPACE, false, L"'foobar^");
TEST_1_COMPLETION(L"'foo'^", L"bar", COMPLETE_NO_SPACE, false, L"'foobar'^");
TEST_1_COMPLETION(L"'foo\\'^", L"bar", COMPLETE_NO_SPACE, false, L"'foo\\'bar^");
TEST_1_COMPLETION(L"foo\\'^", L"bar", COMPLETE_NO_SPACE, false, L"foo\\'bar^");
TEST_1_COMPLETION(L"foo^", L"bar", COMPLETE_REPLACES_TOKEN, false, L"bar ^");
TEST_1_COMPLETION(L"'foo^", L"bar", COMPLETE_REPLACES_TOKEN, false, L"bar ^");
}
static void perform_one_autosuggestion_test(const wcstring &command, const wcstring &wd, const wcstring &expected, long line)
{
wcstring suggestion;
bool success = autosuggest_suggest_special(command, wd, suggestion);
if (! success)
{
printf("line %ld: autosuggest_suggest_special() failed for command %ls\n", line, command.c_str());
assert(success);
}
if (suggestion != expected)
{
printf("line %ld: autosuggest_suggest_special() returned the wrong expected string for command %ls\n", line, command.c_str());
printf(" actual: %ls\n", suggestion.c_str());
printf("expected: %ls\n", expected.c_str());
assert(suggestion == expected);
}
}
/* Testing test_autosuggest_suggest_special, in particular for properly handling quotes and backslashes */
static void test_autosuggest_suggest_special()
{
if (system("mkdir -p '/tmp/autosuggest_test/0foobar'")) err(L"mkdir failed");
if (system("mkdir -p '/tmp/autosuggest_test/1foo bar'")) err(L"mkdir failed");
if (system("mkdir -p '/tmp/autosuggest_test/2foo bar'")) err(L"mkdir failed");
if (system("mkdir -p '/tmp/autosuggest_test/3foo\\bar'")) err(L"mkdir failed");
if (system("mkdir -p /tmp/autosuggest_test/4foo\\'bar")) err(L"mkdir failed"); //a path with a single quote
if (system("mkdir -p /tmp/autosuggest_test/5foo\\\"bar")) err(L"mkdir failed"); //a path with a double quote
if (system("mkdir -p ~/test_autosuggest_suggest_special/")) err(L"mkdir failed"); //make sure tilde is handled
const wcstring wd = L"/tmp/autosuggest_test/";
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/0", wd, L"cd /tmp/autosuggest_test/0foobar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/0", wd, L"cd \"/tmp/autosuggest_test/0foobar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/0", wd, L"cd '/tmp/autosuggest_test/0foobar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 0", wd, L"cd 0foobar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"0", wd, L"cd \"0foobar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '0", wd, L"cd '0foobar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/1", wd, L"cd /tmp/autosuggest_test/1foo\\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/1", wd, L"cd \"/tmp/autosuggest_test/1foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/1", wd, L"cd '/tmp/autosuggest_test/1foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 1", wd, L"cd 1foo\\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"1", wd, L"cd \"1foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '1", wd, L"cd '1foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/2", wd, L"cd /tmp/autosuggest_test/2foo\\ \\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/2", wd, L"cd \"/tmp/autosuggest_test/2foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/2", wd, L"cd '/tmp/autosuggest_test/2foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 2", wd, L"cd 2foo\\ \\ bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"2", wd, L"cd \"2foo bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '2", wd, L"cd '2foo bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/3", wd, L"cd /tmp/autosuggest_test/3foo\\\\bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/3", wd, L"cd \"/tmp/autosuggest_test/3foo\\bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/3", wd, L"cd '/tmp/autosuggest_test/3foo\\bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 3", wd, L"cd 3foo\\\\bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"3", wd, L"cd \"3foo\\bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '3", wd, L"cd '3foo\\bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/4", wd, L"cd /tmp/autosuggest_test/4foo\\'bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/4", wd, L"cd \"/tmp/autosuggest_test/4foo'bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/4", wd, L"cd '/tmp/autosuggest_test/4foo\\'bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 4", wd, L"cd 4foo\\'bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"4", wd, L"cd \"4foo'bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '4", wd, L"cd '4foo\\'bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd /tmp/autosuggest_test/5", wd, L"cd /tmp/autosuggest_test/5foo\\\"bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"/tmp/autosuggest_test/5", wd, L"cd \"/tmp/autosuggest_test/5foo\\\"bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '/tmp/autosuggest_test/5", wd, L"cd '/tmp/autosuggest_test/5foo\"bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd 5", wd, L"cd 5foo\\\"bar/", __LINE__);
perform_one_autosuggestion_test(L"cd \"5", wd, L"cd \"5foo\\\"bar/\"", __LINE__);
perform_one_autosuggestion_test(L"cd '5", wd, L"cd '5foo\"bar/'", __LINE__);
perform_one_autosuggestion_test(L"cd ~/test_autosuggest_suggest_specia", wd, L"cd ~/test_autosuggest_suggest_special/", __LINE__);
// A single quote should defeat tilde expansion
perform_one_autosuggestion_test(L"cd '~/test_autosuggest_suggest_specia'", wd, L"", __LINE__);
system("rm -Rf '/tmp/autosuggest_test/'");
system("rm -Rf ~/test_autosuggest_suggest_special/");
}
static void test_autosuggestion_combining()
{
say(L"Testing autosuggestion combining");
assert(combine_command_and_autosuggestion(L"alpha", L"alphabeta") == L"alphabeta");
// when the last token contains no capital letters, we use the case of the autosuggestion
assert(combine_command_and_autosuggestion(L"alpha", L"ALPHABETA") == L"ALPHABETA");
// when the last token contains capital letters, we use its case
assert(combine_command_and_autosuggestion(L"alPha", L"alphabeTa") == L"alPhabeTa");
// if autosuggestion is not longer than input, use the input's case
assert(combine_command_and_autosuggestion(L"alpha", L"ALPHAA") == L"ALPHAA");
assert(combine_command_and_autosuggestion(L"alpha", L"ALPHA") == L"alpha");
}
/**
Test speed of completion calculations
*/
void perf_complete()
{
wchar_t c;
std::vector<completion_t> out;
long long t1, t2;
int matches=0;
double t;
wchar_t str[3]=
{
0, 0, 0
}
;
int i;
say(L"Testing completion performance");
reader_push(L"");
say(L"Here we go");
t1 = get_time();
for (c=L'a'; c<=L'z'; c++)
{
str[0]=c;
reader_set_buffer(str, 0);
complete(str, out, COMPLETION_REQUEST_DEFAULT);
matches += out.size();
out.clear();
}
t2=get_time();
t = (double)(t2-t1)/(1000000*26);
say(L"One letter command completion took %f seconds per completion, %f microseconds/match", t, (double)(t2-t1)/matches);
matches=0;
t1 = get_time();
for (i=0; i<LAPS; i++)
{
str[0]='a'+(rand()%26);
str[1]='a'+(rand()%26);
reader_set_buffer(str, 0);
complete(str, out, COMPLETION_REQUEST_DEFAULT);
matches += out.size();
out.clear();
}
t2=get_time();
t = (double)(t2-t1)/(1000000*LAPS);
say(L"Two letter command completion took %f seconds per completion, %f microseconds/match", t, (double)(t2-t1)/matches);
reader_pop();
}
static void test_history_matches(history_search_t &search, size_t matches)
{
size_t i;
for (i=0; i < matches; i++)
{
assert(search.go_backwards());
wcstring item = search.current_string();
}
assert(! search.go_backwards());
for (i=1; i < matches; i++)
{
assert(search.go_forwards());
}
assert(! search.go_forwards());
}
static bool history_contains(history_t *history, const wcstring &txt)
{
bool result = false;
size_t i;
for (i=1; ; i++)
{
history_item_t item = history->item_at_index(i);
if (item.empty())
break;
if (item.str() == txt)
{
result = true;
break;
}
}
return result;
}
class history_tests_t
{
public:
static void test_history(void);
static void test_history_merge(void);
static void test_history_formats(void);
static void test_history_speed(void);
static void test_history_races(void);
static void test_history_races_pound_on_history();
};
static wcstring random_string(void)
{
wcstring result;
size_t max = 1 + rand() % 32;
while (max--)
{
wchar_t c = 1 + rand()%ESCAPE_TEST_CHAR;
result.push_back(c);
}
return result;
}
void history_tests_t::test_history(void)
{
say(L"Testing history");
history_t &history = history_t::history_with_name(L"test_history");
history.clear();
history.add(L"Gamma");
history.add(L"Beta");
history.add(L"Alpha");
/* All three items match "a" */
history_search_t search1(history, L"a");
test_history_matches(search1, 3);
assert(search1.current_string() == L"Alpha");
/* One item matches "et" */
history_search_t search2(history, L"et");
test_history_matches(search2, 1);
assert(search2.current_string() == L"Beta");
/* Test item removal */
history.remove(L"Alpha");
history_search_t search3(history, L"Alpha");
test_history_matches(search3, 0);
/* Test history escaping and unescaping, yaml, etc. */
std::vector<history_item_t> before, after;
history.clear();
size_t i, max = 100;
for (i=1; i <= max; i++)
{
/* Generate a value */
wcstring value = wcstring(L"test item ") + to_string(i);
/* Maybe add some backslashes */
if (i % 3 == 0)
value.append(L"(slashies \\\\\\ slashies)");
/* Generate some paths */
path_list_t paths;
size_t count = rand() % 6;
while (count--)
{
paths.push_back(random_string());
}
/* Record this item */
history_item_t item(value, time(NULL), paths);
before.push_back(item);
history.add(item);
}
history.save();
/* Read items back in reverse order and ensure they're the same */
for (i=100; i >= 1; i--)
{
history_item_t item = history.item_at_index(i);
assert(! item.empty());
after.push_back(item);
}
assert(before.size() == after.size());
for (size_t i=0; i < before.size(); i++)
{
const history_item_t &bef = before.at(i), &aft = after.at(i);
assert(bef.contents == aft.contents);
assert(bef.creation_timestamp == aft.creation_timestamp);
assert(bef.required_paths == aft.required_paths);
}
/* Clean up after our tests */
history.clear();
}
// wait until the next second
static void time_barrier(void)
{
time_t start = time(NULL);
do
{
usleep(1000);
}
while (time(NULL) == start);
}
static wcstring_list_t generate_history_lines(int pid)
{
wcstring_list_t result;
long max = 256;
result.reserve(max);
for (long i=0; i < max; i++)
{
result.push_back(format_string(L"%ld %ld", (long)pid, i));
}
return result;
}
void history_tests_t::test_history_races_pound_on_history()
{
/* Called in child process to modify history */
history_t *hist = new history_t(L"race_test");
hist->chaos_mode = true;
const wcstring_list_t lines = generate_history_lines(getpid());
for (size_t idx = 0; idx < lines.size(); idx++)
{
const wcstring &line = lines.at(idx);
hist->add(line);
hist->save();
}
delete hist;
}
void history_tests_t::test_history_races(void)
{
say(L"Testing history race conditions");
// Ensure history is clear
history_t *hist = new history_t(L"race_test");
hist->clear();
delete hist;
// Test concurrent history writing
#define RACE_COUNT 10
pid_t children[RACE_COUNT];
for (size_t i=0; i < RACE_COUNT; i++)
{
pid_t pid = fork();
if (! pid)
{
// Child process
setup_fork_guards();
test_history_races_pound_on_history();
exit_without_destructors(0);
}
else
{
// Parent process
children[i] = pid;
}
}
// Wait for all children
for (size_t i=0; i < RACE_COUNT; i++)
{
int stat;
waitpid(children[i], &stat, WUNTRACED);
}
// Compute the expected lines
wcstring_list_t lines[RACE_COUNT];
for (size_t i=0; i < RACE_COUNT; i++)
{
lines[i] = generate_history_lines(children[i]);
}
// Count total lines
size_t line_count = 0;
for (size_t i=0; i < RACE_COUNT; i++)
{
line_count += lines[i].size();
}
// Ensure we consider the lines that have been outputted as part of our history
time_barrier();
/* Ensure that we got sane, sorted results */
hist = new history_t(L"race_test");
hist->chaos_mode = true;
size_t hist_idx;
for (hist_idx = 1; ; hist_idx ++)
{
history_item_t item = hist->item_at_index(hist_idx);
if (item.empty())
break;
// The item must be present in one of our 'lines' arrays
// If it is present, then every item after it is assumed to be missed
size_t i;
for (i=0; i < RACE_COUNT; i++)
{
wcstring_list_t::iterator where = std::find(lines[i].begin(), lines[i].end(), item.str());
if (where != lines[i].end())
{
// Delete everything from the found location onwards
lines[i].resize(where - lines[i].begin());
// Break because we found it
break;
}
}
if (i >= RACE_COUNT)
{
err(L"Line '%ls' found in history not found in some array", item.str().c_str());
}
}
// every write should add at least one item
assert(hist_idx >= RACE_COUNT);
//hist->clear();
delete hist;
}
void history_tests_t::test_history_merge(void)
{
// In a single fish process, only one history is allowed to exist with the given name
// But it's common to have multiple history instances with the same name active in different processes,
// e.g. when you have multiple shells open.
// We try to get that right and merge all their history together. Test that case.
say(L"Testing history merge");
const size_t count = 3;
const wcstring name = L"merge_test";
history_t *hists[count] = {new history_t(name), new history_t(name), new history_t(name)};
wcstring texts[count] = {L"History 1", L"History 2", L"History 3"};
/* Make sure history is clear */
for (size_t i=0; i < count; i++)
{
hists[i]->clear();
}
/* Make sure we don't add an item in the same second as we created the history */
time_barrier();
/* Add a different item to each */
for (size_t i=0; i < count; i++)
{
hists[i]->add(texts[i]);
}
/* Save them */
for (size_t i=0; i < count; i++)
{
hists[i]->save();
}
/* Make sure each history contains what it ought to, but they have not leaked into each other */
for (size_t i = 0; i < count; i++)
{
for (size_t j=0; j < count; j++)
{
bool does_contain = history_contains(hists[i], texts[j]);
bool should_contain = (i == j);
assert(should_contain == does_contain);
}
}
/* Make a new history. It should contain everything. The time_barrier() is so that the timestamp is newer, since we only pick up items whose timestamp is before the birth stamp. */
time_barrier();
history_t *everything = new history_t(name);
for (size_t i=0; i < count; i++)
{
assert(history_contains(everything, texts[i]));
}
/* Clean up */
for (size_t i=0; i < 3; i++)
{
delete hists[i];
}
everything->clear();
delete everything; //not as scary as it looks
}
static bool install_sample_history(const wchar_t *name)
{
char command[512];
snprintf(command, sizeof command, "cp tests/%ls ~/.config/fish/%ls_history", name, name);
if (system(command))
{
err(L"Failed to copy sample history");
return false;
}
return true;
}
/* Indicates whether the history is equal to the given null-terminated array of strings. */
static bool history_equals(history_t &hist, const wchar_t * const *strings)
{
/* Count our expected items */
size_t expected_count = 0;
while (strings[expected_count])
{
expected_count++;
}
/* Ensure the contents are the same */
size_t history_idx = 1;
size_t array_idx = 0;
for (;;)
{
const wchar_t *expected = strings[array_idx];
history_item_t item = hist.item_at_index(history_idx);
if (expected == NULL)
{
if (! item.empty())
{
err(L"Expected empty item at history index %lu", history_idx);
}
break;
}
else
{
if (item.str() != expected)
{
err(L"Expected '%ls', found '%ls' at index %lu", expected, item.str().c_str(), history_idx);
}
}
history_idx++;
array_idx++;
}
return true;
}
void history_tests_t::test_history_formats(void)
{
const wchar_t *name;
// Test inferring and reading legacy and bash history formats
name = L"history_sample_fish_1_x";
say(L"Testing %ls", name);
if (! install_sample_history(name))
{
err(L"Couldn't open file tests/%ls", name);
}
else
{
/* Note: This is backwards from what appears in the file */
const wchar_t * const expected[] =
{
L"#def",
L"echo #abc",
L"function yay\n"
"echo hi\n"
"end",
L"cd foobar",
L"ls /",
NULL
};
history_t &test_history = history_t::history_with_name(name);
if (! history_equals(test_history, expected))
{
err(L"test_history_formats failed for %ls\n", name);
}
test_history.clear();
}
name = L"history_sample_fish_2_0";
say(L"Testing %ls", name);
if (! install_sample_history(name))
{
err(L"Couldn't open file tests/%ls", name);
}
else
{
const wchar_t * const expected[] =
{
L"echo this has\\\nbackslashes",
L"function foo\n"
"echo bar\n"
"end",
L"echo alpha",
NULL
};
history_t &test_history = history_t::history_with_name(name);
if (! history_equals(test_history, expected))
{
err(L"test_history_formats failed for %ls\n", name);
}
test_history.clear();
}
say(L"Testing bash import");
FILE *f = fopen("tests/history_sample_bash", "r");
if (! f)
{
err(L"Couldn't open file tests/history_sample_bash");
}
else
{
// It should skip over the export command since that's a bash-ism
const wchar_t *expected[] =
{
L"echo supsup",
L"history --help",
L"echo foo",
NULL
};
history_t &test_history = history_t::history_with_name(L"bash_import");
test_history.populate_from_bash(f);
if (! history_equals(test_history, expected))
{
err(L"test_history_formats failed for bash import\n");
}
test_history.clear();
fclose(f);
}
}
void history_tests_t::test_history_speed(void)
{
say(L"Testing history speed (pid is %d)", getpid());
history_t *hist = new history_t(L"speed_test");
wcstring item = L"History Speed Test - X";
/* Test for 10 seconds */
double start = timef();
double end = start + 10;
double stop = 0;
size_t count = 0;
for (;;)
{
item[item.size() - 1] = L'0' + (count % 10);
hist->add(item);
count++;
stop = timef();
if (stop >= end)
break;
}
printf("%lu items - %.2f msec per item\n", (unsigned long)count, (stop - start) * 1E6 / count);
hist->clear();
delete hist;
}
/**
Main test
*/
int main(int argc, char **argv)
{
setlocale(LC_ALL, "");
srand(time(0));
configure_thread_assertions_for_testing();
program_name=L"(ignore)";
say(L"Testing low-level functionality");
say(L"Lines beginning with '(ignore):' are not errors, they are warning messages\ngenerated by the fish parser library when given broken input, and can be\nignored. All actual errors begin with 'Error:'.");
set_main_thread();
setup_fork_guards();
proc_init();
event_init();
function_init();
builtin_init();
reader_init();
env_init();
test_unescape_sane();
test_escape_crazy();
test_format();
test_convert();
test_convert_nulls();
test_tok();
test_fork();
test_iothread();
test_parser();
test_utils();
test_escape_sequences();
test_lru();
test_expand();
test_fuzzy_match();
test_abbreviations();
test_test();
test_path();
test_word_motion();
test_is_potential_path();
test_colors();
test_complete();
test_completion_insertions();
test_autosuggestion_combining();
test_autosuggest_suggest_special();
history_tests_t::test_history();
history_tests_t::test_history_merge();
history_tests_t::test_history_races();
history_tests_t::test_history_formats();
//history_tests_t::test_history_speed();
say(L"Encountered %d errors in low-level tests", err_count);
/*
Skip performance tests for now, since they seem to hang when running from inside make (?)
*/
// say( L"Testing performance" );
// perf_complete();
env_destroy();
reader_destroy();
builtin_destroy();
wutil_destroy();
event_destroy();
proc_destroy();
}
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