/
scm-hg.test.js
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/
scm-hg.test.js
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import mock from 'mock-fs';
import execa from 'execa';
import fs from 'fs';
import prettyQuick from '..';
jest.mock('execa');
afterEach(() => {
mock.restore();
jest.clearAllMocks();
});
const mockHgFs = (additionalFiles = {}) => {
mock(
Object.assign(
{
'/.hg': {},
'/foo.js': 'foo()',
'/bar.md': '# foo',
},
additionalFiles
)
);
execa.sync.mockImplementation((command, args) => {
if (command !== 'hg') {
throw new Error(`unexpected command: ${command}`);
}
switch (args[0]) {
case 'status':
return { stdout: './foo.js\n' + './bar.md\n' };
case 'diff':
return { stdout: './foo.js\n' + './bar.md\n' };
case 'add':
return { stdout: '' };
case 'log':
return { stdout: '' };
default:
throw new Error(`unexpected arg0: ${args[0]}`);
}
});
};
describe('with hg', () => {
test('calls `hg debugancestor`', () => {
mock({
'/.hg': {},
});
prettyQuick('root');
expect(execa.sync).toHaveBeenCalledWith(
'hg',
['debugancestor', 'tip', 'default'],
{ cwd: '/' }
);
});
test('calls `hg debugancestor` with root hg directory', () => {
mock({
'/.hg': {},
'/other-dir': {},
});
prettyQuick('/other-dir');
expect(execa.sync).toHaveBeenCalledWith(
'hg',
['debugancestor', 'tip', 'default'],
{ cwd: '/' }
);
});
test('calls `hg status` with revision', () => {
mock({
'/.hg': {},
});
prettyQuick('root', { since: 'banana' });
expect(execa.sync).toHaveBeenCalledWith(
'hg',
['status', '-n', '-a', '-m', '--rev', 'banana'],
{ cwd: '/' }
);
});
test('calls onFoundSinceRevision with return value from `hg debugancestor`', () => {
const onFoundSinceRevision = jest.fn();
mock({
'/.hg': {},
});
execa.sync.mockReturnValue({ stdout: 'banana' });
prettyQuick('root', { onFoundSinceRevision });
expect(onFoundSinceRevision).toHaveBeenCalledWith('hg', 'banana');
});
test('calls onFoundChangedFiles with changed files', () => {
const onFoundChangedFiles = jest.fn();
mockHgFs();
prettyQuick('root', { since: 'banana', onFoundChangedFiles });
expect(onFoundChangedFiles).toHaveBeenCalledWith(['./foo.js', './bar.md']);
});
test('calls onWriteFile with changed files', () => {
const onWriteFile = jest.fn();
mockHgFs();
prettyQuick('root', { since: 'banana', onWriteFile });
expect(onWriteFile).toHaveBeenCalledWith('./foo.js');
expect(onWriteFile).toHaveBeenCalledWith('./bar.md');
});
test('calls onWriteFile with changed files for the given pattern', () => {
const onWriteFile = jest.fn();
mockHgFs();
prettyQuick('root', { pattern: '*.md', since: 'banana', onWriteFile });
expect(onWriteFile.mock.calls).toEqual([['./bar.md']]);
});
test('calls onWriteFile with changed files for the given globstar pattern', () => {
const onWriteFile = jest.fn();
mockHgFs();
prettyQuick('root', {
pattern: '**/*.md',
since: 'banana',
onWriteFile,
});
expect(onWriteFile.mock.calls).toEqual([['./bar.md']]);
});
test('calls onWriteFile with changed files for the given extglob pattern', () => {
const onWriteFile = jest.fn();
mockHgFs();
prettyQuick('root', {
pattern: '*.*(md|foo|bar)',
since: 'banana',
onWriteFile,
});
expect(onWriteFile.mock.calls).toEqual([['./bar.md']]);
});
test('writes formatted files to disk', () => {
const onWriteFile = jest.fn();
mockHgFs();
prettyQuick('root', { since: 'banana', onWriteFile });
expect(fs.readFileSync('/foo.js', 'utf8')).toEqual('formatted:foo()');
expect(fs.readFileSync('/bar.md', 'utf8')).toEqual('formatted:# foo');
});
test('succeeds if a file was changed and bail is not set', () => {
mockHgFs();
const result = prettyQuick('root', { since: 'banana' });
expect(result).toEqual({ errors: [], success: true });
});
test('fails if a file was changed and bail is set to true', () => {
mockHgFs();
const result = prettyQuick('root', { since: 'banana', bail: true });
expect(result).toEqual({ errors: ['BAIL_ON_WRITE'], success: false });
});
test('calls onWriteFile with changed files for an array of globstar patterns', () => {
const onWriteFile = jest.fn();
mockHgFs();
prettyQuick('root', {
pattern: ['**/*.foo', '**/*.md', '**/*.bar'],
since: 'banana',
onWriteFile,
});
expect(onWriteFile.mock.calls).toEqual([['./bar.md']]);
});
test('without --staged does NOT stage changed files', () => {
mockHgFs();
prettyQuick('root', { since: 'banana' });
expect(execa.sync).not.toHaveBeenCalledWith('hg', ['add', './foo.js'], {
cwd: '/',
});
expect(execa.sync).not.toHaveBeenCalledWith('hg', ['add', './bar.md'], {
cwd: '/',
});
});
test('with --verbose calls onExamineFile', () => {
const onExamineFile = jest.fn();
mockHgFs();
prettyQuick('root', { since: 'banana', verbose: true, onExamineFile });
expect(onExamineFile).toHaveBeenCalledWith('./foo.js');
expect(onExamineFile).toHaveBeenCalledWith('./bar.md');
});
test('without --verbose does NOT call onExamineFile', () => {
const onExamineFile = jest.fn();
mockHgFs();
prettyQuick('root', { since: 'banana', onExamineFile });
expect(onExamineFile).not.toHaveBeenCalledWith('./foo.js');
expect(onExamineFile).not.toHaveBeenCalledWith('./bar.md');
});
test('ignore files matching patterns from the repositories root .prettierignore', () => {
const onWriteFile = jest.fn();
mockHgFs({
'/.prettierignore': '*.md',
});
prettyQuick('/sub-directory/', { since: 'banana', onWriteFile });
expect(onWriteFile.mock.calls).toEqual([['./foo.js']]);
});
test('ignore files matching patterns from the working directories .prettierignore', () => {
const onWriteFile = jest.fn();
mockHgFs({
'/sub-directory/.prettierignore': '*.md',
});
prettyQuick('/sub-directory/', { since: 'banana', onWriteFile });
expect(onWriteFile.mock.calls).toEqual([['./foo.js']]);
});
});