coreutils/tests/by-util/test_paste.rs

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2023-03-20 13:51:19 +00:00
use crate::common::util::TestScenario;
struct TestData<'b> {
name: &'b str,
args: &'b [&'b str],
ins: &'b [&'b str],
out: &'b str,
}
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static EXAMPLE_DATA: &[TestData] = &[
// Ensure that paste properly handles files lacking a final newline.
TestData {
name: "no-nl-1",
args: &[],
ins: &["a", "b"],
out: "a\tb\n",
},
TestData {
name: "no-nl-2",
args: &[],
ins: &["a\n", "b"],
out: "a\tb\n",
},
TestData {
name: "no-nl-3",
args: &[],
ins: &["a", "b\n"],
out: "a\tb\n",
},
TestData {
name: "no-nl-4",
args: &[],
ins: &["a\n", "b\n"],
out: "a\tb\n",
},
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TestData {
name: "zno-nl-1",
args: &["-z"],
ins: &["a", "b"],
out: "a\tb\0",
},
TestData {
name: "zno-nl-2",
args: &["-z"],
ins: &["a\0", "b"],
out: "a\tb\0",
},
TestData {
name: "zno-nl-3",
args: &["-z"],
ins: &["a", "b\0"],
out: "a\tb\0",
},
TestData {
name: "zno-nl-4",
args: &["-z"],
ins: &["a\0", "b\0"],
out: "a\tb\0",
},
// Same as above, but with a two lines in each input file and the
// addition of the -d option to make SPACE be the output
// delimiter.
TestData {
name: "no-nla-1",
args: &["-d", " "],
ins: &["1\na", "2\nb"],
out: "1 2\na b\n",
},
TestData {
name: "no-nla-2",
args: &["-d", " "],
ins: &["1\na\n", "2\nb"],
out: "1 2\na b\n",
},
TestData {
name: "no-nla-3",
args: &["-d", " "],
ins: &["1\na", "2\nb\n"],
out: "1 2\na b\n",
},
TestData {
name: "no-nla-4",
args: &["-d", " "],
ins: &["1\na\n", "2\nb\n"],
out: "1 2\na b\n",
},
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TestData {
name: "zno-nla1",
args: &["-zd", " "],
ins: &["1\0a", "2\0b"],
out: "1 2\0a b\0",
},
TestData {
name: "zno-nla2",
args: &["-zd", " "],
ins: &["1\0a\0", "2\0b"],
out: "1 2\0a b\0",
},
TestData {
name: "zno-nla3",
args: &["-zd", " "],
ins: &["1\0a", "2\0b\0"],
out: "1 2\0a b\0",
},
TestData {
name: "zno-nla4",
args: &["-zd", " "],
ins: &["1\0a\0", "2\0b\0"],
out: "1 2\0a b\0",
},
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TestData {
name: "multibyte-delim",
args: &["-d", "💣"],
ins: &["1\na\n", "2\nb\n"],
out: "1💣2\na💣b\n",
},
TestData {
name: "multibyte-delim-serial",
args: &["-d", "💣", "-s"],
ins: &["1\na\n", "2\nb\n"],
out: "1💣a\n2💣b\n",
},
TestData {
name: "trailing whitespace",
args: &["-d", "|"],
ins: &["1 \na \n", "2\t\nb\t\n"],
out: "1 |2\t\na |b\t\n",
},
];
#[test]
fn test_invalid_arg() {
new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
}
#[test]
fn test_combine_pairs_of_lines() {
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for s in ["-s", "--serial"] {
for d in ["-d", "--delimiters"] {
new_ucmd!()
.args(&[s, d, "\t\n", "html_colors.txt"])
.run()
.stdout_is_fixture("html_colors.expected");
}
}
}
#[test]
fn test_multi_stdin() {
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for d in ["-d", "--delimiters"] {
new_ucmd!()
.args(&[d, "\t\n", "-", "-"])
.pipe_in_fixture("html_colors.txt")
.succeeds()
.stdout_is_fixture("html_colors.expected");
}
}
#[test]
fn test_delimiter_list_ending_with_escaped_backslash() {
for d in ["-d", "--delimiters"] {
let (at, mut ucmd) = at_and_ucmd!();
let mut ins = vec![];
for (i, _in) in ["a\n", "b\n"].iter().enumerate() {
let file = format!("in{}", i);
at.write(&file, _in);
ins.push(file);
}
ucmd.args(&[d, "\\\\"])
.args(&ins)
.succeeds()
.stdout_is("a\\b\n");
}
}
#[test]
fn test_delimiter_list_ending_with_unescaped_backslash() {
for d in ["-d", "--delimiters"] {
new_ucmd!()
.args(&[d, "\\"])
.fails()
.stderr_contains("delimiter list ends with an unescaped backslash: \\");
new_ucmd!()
.args(&[d, "_\\"])
.fails()
.stderr_contains("delimiter list ends with an unescaped backslash: _\\");
}
}
#[test]
fn test_data() {
for example in EXAMPLE_DATA {
let (at, mut ucmd) = at_and_ucmd!();
let mut ins = vec![];
for (i, _in) in example.ins.iter().enumerate() {
let file = format!("in{i}");
at.write(&file, _in);
ins.push(file);
}
println!("{}", example.name);
ucmd.args(example.args)
.args(&ins)
.succeeds()
.stdout_is(example.out);
}
}