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tests/printenv: add more tests #9151

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Merged
merged 2 commits into from
Nov 6, 2025
Merged

tests/printenv: add more tests #9151

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08e68b0
tests/printenv: add more tests
ya7on Nov 5, 2025
5a68acc
tests/printenv: use clearer checks in tests
ya7on Nov 6, 2025
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52 changes: 51 additions & 1 deletion tests/by-util/test_printenv.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,10 @@ fn test_get_all() {
fn test_get_var() {
new_ucmd!()
.env("KEY", "VALUE")
.env("FOO", "BAR")
.arg("KEY")
.succeeds()
.stdout_contains("VALUE\n");
.stdout_is("VALUE\n");
}

#[test]
Expand All @@ -29,6 +30,31 @@ fn test_ignore_equal_var() {
new_ucmd!().env("a=b", "c").arg("a=b").fails().no_stdout();
}

#[test]
fn test_silent_error_equal_var() {
// printenv should ignore variables with equal signs e.g. a=b=c
new_ucmd!()
.env("KEY", "VALUE")
.env("a=b", "c")
.arg("KEY")
.arg("a=b")
.fails_with_code(1)
.stdout_is("VALUE\n")
.no_stderr();
}

#[test]
fn test_silent_error_not_present() {
// printenv should ignore unspecified variables, not panic on them
new_ucmd!()
.env("KEY", "VALUE")
.arg("FOO")
.arg("KEY")
.fails_with_code(1)
.stdout_is("VALUE\n")
.no_stderr();
}

#[test]
fn test_invalid_option_exit_code() {
// printenv should return exit code 2 for invalid options
Expand All @@ -40,3 +66,27 @@ fn test_invalid_option_exit_code() {
.stderr_contains("unexpected argument")
.stderr_contains("For more information, try '--help'");
}

#[test]
fn test_null_separator() {
// printenv should use \x00 as separator if null option is provided
for null_opt in ["-0", "--null"] {
new_ucmd!()
.env("HOME", "FOO")
.env("KEY", "VALUE")
.arg(null_opt)
.succeeds()
.stdout_contains("HOME=FOO\x00")
.stdout_contains("KEY=VALUE\x00");

new_ucmd!()
.env("HOME", "FOO")
.env("KEY", "VALUE")
.env("FOO", "BAR")
.arg(null_opt)
.arg("HOME")
.arg("KEY")
.succeeds()
.stdout_is("FOO\x00VALUE\x00");
}
}
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