Thanks to visit codestin.com
Credit goes to github.com

Skip to content

fix: Exit 1 with empty string if no match #901

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 13, 2018
Merged

fix: Exit 1 with empty string if no match #901

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions src/grep.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,10 @@ function _grep(options, regex, files) {
}
});

if (grep.length === 0 && common.state.errorCode !== 2) {
// We didn't hit the error above, but pattern didn't match
common.error('', { silent: true });
}
return grep.join('\n') + '\n';
}
module.exports = _grep;
18 changes: 18 additions & 0 deletions test/grep.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,13 @@ test('if at least one file is missing, this should be an error', t => {
t.is(result.code, 2);
});

test("multiple files, one doesn't exist, one doesn't match", t => {
const result = shell.grep(/oogabooga/, 'test/resources/file1.txt',
'test/resources/filedoesnotexist.txt');
t.truthy(shell.error());
t.is(result.code, 2);
});

//
// Valids
//
Expand Down Expand Up @@ -127,6 +134,17 @@ test('one file, * in string-regex, make sure * is not globbed', t => {
t.is(result.toString(), 'this line ends in.js\nlllllllllllllllll.js\n');
});

test("one file, pattern doesn't match", t => {
Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Do you want this under 'valids' or 'invalids?
Even though it's a non-0 exit code, I would personally consider testing for the absence of something to be a "valid" use case, but I'm happy to move it.

Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

This spot LGTM

const result = shell.grep('notfoundstring', 'test/resources/grep/file');
t.truthy(shell.error());
t.is(result.toString(), '');
t.is(result.stdout, '');
// TODO(#900): "grep: " isn't really the correct stderr output, but we need a
// non-empty string so `shell.error()` is truthy.
t.is(result.stderr, 'grep: ');
t.is(result.code, 1);
});

test('-l option', t => {
const result = shell.grep('-l', 'test1', 'test/resources/file1', 'test/resources/file2',
'test/resources/file1.txt');
Expand Down