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printer: add support for line number alignment

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Closes #544
This commit is contained in:
Balaji Sivaraman
2018-01-01 19:30:31 +05:30
committed by Andrew Gallant
parent 5e73075ef5
commit ba1023e1e4
7 changed files with 69 additions and 3 deletions
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16
tests/tests.rs
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@@ -103,6 +103,22 @@ sherlock!(line_numbers, |wd: WorkDir, mut cmd: Command| {
assert_eq!(lines, expected);
});
sherlock!(line_number_width, |wd: WorkDir, mut cmd: Command| {
cmd.arg("-n");
cmd.arg("--line-number-width").arg("2");
let lines: String = wd.stdout(&mut cmd);
let expected = " 1:For the Doctor Watsons of this world, as opposed to the Sherlock
3:be, to a very large extent, the result of luck. Sherlock Holmes
";
assert_eq!(lines, expected);
});
sherlock!(line_number_width_padding_character_error, |wd: WorkDir, mut cmd: Command| {
cmd.arg("-n");
cmd.arg("--line-number-width").arg("02");
wd.assert_non_empty_stderr(&mut cmd);
});
sherlock!(columns, |wd: WorkDir, mut cmd: Command| {
cmd.arg("--column");
let lines: String = wd.stdout(&mut cmd);