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tests/cli: ignore user's RUST_LOG= environment variable in tests

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nixpkgs build system sets `RUST_LOG=` (empty value) by default.
This switches `mdBook` into warnings+ mode (instead of info+).

This causes the following tests to fail:

    $ RUST_LOG= cargo test --test cli_tests
    ...
    cli::test::mdbook_cli_can_correctly_test_a_passing_book
    cli::test::mdbook_cli_detects_book_with_failing_tests
    cli::build::mdbook_cli_dummy_book_generates_index_html

The change drops RUST_LOG= entry.
This commit is contained in:
Sergei Trofimovich 2022-03-31 08:02:53 +01:00
parent eb5ec2a314
commit 2a2b51c8ab
4 changed files with 13 additions and 6 deletions
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5
tests/cli/build.rs
View file

@ -1,7 +1,6 @@
use crate::cli::cmd::mdbook_cmd;
use crate::dummy_book::DummyBook;
use assert_cmd::Command;
#[test]
fn mdbook_cli_dummy_book_generates_index_html() {
let temp = DummyBook::new().build().unwrap();
@ -9,7 +8,7 @@ fn mdbook_cli_dummy_book_generates_index_html() {
// doesn't exist before
assert!(!temp.path().join("book").exists());
let mut cmd = Command::cargo_bin("mdbook").unwrap();
let mut cmd = mdbook_cmd();
cmd.arg("build").current_dir(temp.path());
cmd.assert()
.success()

7
tests/cli/cmd.rs Normal file
View file

@ -0,0 +1,7 @@
use assert_cmd::Command;
pub(crate) fn mdbook_cmd() -> Command {
let mut cmd = Command::cargo_bin("mdbook").unwrap();
cmd.env_remove("RUST_LOG");
cmd
}

1
tests/cli/mod.rs
View file

@ -1,2 +1,3 @@
mod build;
mod cmd;
mod test;

6
tests/cli/test.rs
View file

@ -1,13 +1,13 @@
use crate::cli::cmd::mdbook_cmd;
use crate::dummy_book::DummyBook;
use assert_cmd::Command;
use predicates::boolean::PredicateBooleanExt;
#[test]
fn mdbook_cli_can_correctly_test_a_passing_book() {
let temp = DummyBook::new().with_passing_test(true).build().unwrap();
let mut cmd = Command::cargo_bin("mdbook").unwrap();
let mut cmd = mdbook_cmd();
cmd.arg("test").current_dir(temp.path());
cmd.assert().success()
.stderr(predicates::str::is_match(r##"Testing file: "([^"]+)[\\/]README.md""##).unwrap())
@ -22,7 +22,7 @@ fn mdbook_cli_can_correctly_test_a_passing_book() {
fn mdbook_cli_detects_book_with_failing_tests() {
let temp = DummyBook::new().with_passing_test(false).build().unwrap();
let mut cmd = Command::cargo_bin("mdbook").unwrap();
let mut cmd = mdbook_cmd();
cmd.arg("test").current_dir(temp.path());
cmd.assert().failure()
.stderr(predicates::str::is_match(r##"Testing file: "([^"]+)[\\/]README.md""##).unwrap())