160 lines
4.1 KiB
JavaScript
160 lines
4.1 KiB
JavaScript
import createFileDiff from '~/ide/lib/create_file_diff';
|
|
import { commitActionTypes } from '~/ide/constants';
|
|
import {
|
|
createUpdatedFile,
|
|
createNewFile,
|
|
createMovedFile,
|
|
createDeletedFile,
|
|
} from '../file_helpers';
|
|
|
|
const PATH = 'test/numbers.md';
|
|
const PATH_FOO = 'test/foo.md';
|
|
const TEXT_LINE_COUNT = 100;
|
|
const TEXT = Array(TEXT_LINE_COUNT)
|
|
.fill(0)
|
|
.map((_, idx) => `${idx + 1}`)
|
|
.join('\n');
|
|
|
|
const spliceLines = (content, lineNumber, deleteCount = 0, newLines = []) => {
|
|
const lines = content.split('\n');
|
|
lines.splice(lineNumber, deleteCount, ...newLines);
|
|
return lines.join('\n');
|
|
};
|
|
|
|
const mapLines = (content, mapFn) => content.split('\n').map(mapFn).join('\n');
|
|
|
|
describe('IDE lib/create_file_diff', () => {
|
|
it('returns empty string with "garbage" action', () => {
|
|
const result = createFileDiff(createNewFile(PATH, ''), 'garbage');
|
|
|
|
expect(result).toBe('');
|
|
});
|
|
|
|
it('preserves ending whitespace in file', () => {
|
|
const oldContent = spliceLines(TEXT, 99, 1, ['100 ']);
|
|
const newContent = spliceLines(oldContent, 99, 0, ['Lorem', 'Ipsum']);
|
|
const expected = `
|
|
99
|
|
+Lorem
|
|
+Ipsum
|
|
100 `;
|
|
|
|
const result = createFileDiff(
|
|
createUpdatedFile(PATH, oldContent, newContent),
|
|
commitActionTypes.update,
|
|
);
|
|
|
|
expect(result).toContain(expected);
|
|
});
|
|
|
|
describe('with "create" action', () => {
|
|
const expectedHead = `diff --git "a/${PATH}" "b/${PATH}"
|
|
new file mode 100644`;
|
|
|
|
const expectedChunkHead = lineCount => `--- /dev/null
|
|
+++ b/${PATH}
|
|
@@ -0,0 +1,${lineCount} @@`;
|
|
|
|
it('with empty file, does not include diff body', () => {
|
|
const result = createFileDiff(createNewFile(PATH, ''), commitActionTypes.create);
|
|
|
|
expect(result).toBe(`${expectedHead}\n`);
|
|
});
|
|
|
|
it('with single line, includes diff body', () => {
|
|
const result = createFileDiff(createNewFile(PATH, '\n'), commitActionTypes.create);
|
|
|
|
expect(result).toBe(`${expectedHead}
|
|
${expectedChunkHead(1)}
|
|
+
|
|
`);
|
|
});
|
|
|
|
it('without newline, includes no newline comment', () => {
|
|
const result = createFileDiff(createNewFile(PATH, 'Lorem ipsum'), commitActionTypes.create);
|
|
|
|
expect(result).toBe(`${expectedHead}
|
|
${expectedChunkHead(1)}
|
|
+Lorem ipsum
|
|
\\ No newline at end of file
|
|
`);
|
|
});
|
|
|
|
it('with content, includes diff body', () => {
|
|
const content = `${TEXT}\n`;
|
|
const result = createFileDiff(createNewFile(PATH, content), commitActionTypes.create);
|
|
|
|
expect(result).toBe(`${expectedHead}
|
|
${expectedChunkHead(TEXT_LINE_COUNT)}
|
|
${mapLines(TEXT, line => `+${line}`)}
|
|
`);
|
|
});
|
|
});
|
|
|
|
describe('with "delete" action', () => {
|
|
const expectedHead = `diff --git "a/${PATH}" "b/${PATH}"
|
|
deleted file mode 100644`;
|
|
|
|
const expectedChunkHead = lineCount => `--- a/${PATH}
|
|
+++ /dev/null
|
|
@@ -1,${lineCount} +0,0 @@`;
|
|
|
|
it('with empty file, does not include diff body', () => {
|
|
const result = createFileDiff(createDeletedFile(PATH, ''), commitActionTypes.delete);
|
|
|
|
expect(result).toBe(`${expectedHead}\n`);
|
|
});
|
|
|
|
it('with content, includes diff body', () => {
|
|
const content = `${TEXT}\n`;
|
|
const result = createFileDiff(createDeletedFile(PATH, content), commitActionTypes.delete);
|
|
|
|
expect(result).toBe(`${expectedHead}
|
|
${expectedChunkHead(TEXT_LINE_COUNT)}
|
|
${mapLines(TEXT, line => `-${line}`)}
|
|
`);
|
|
});
|
|
});
|
|
|
|
describe('with "update" action', () => {
|
|
it('includes diff body', () => {
|
|
const oldContent = `${TEXT}\n`;
|
|
const newContent = `${spliceLines(TEXT, 50, 3, ['Lorem'])}\n`;
|
|
|
|
const result = createFileDiff(
|
|
createUpdatedFile(PATH, oldContent, newContent),
|
|
commitActionTypes.update,
|
|
);
|
|
|
|
expect(result).toBe(`diff --git "a/${PATH}" "b/${PATH}"
|
|
--- a/${PATH}
|
|
+++ b/${PATH}
|
|
@@ -47,11 +47,9 @@
|
|
47
|
|
48
|
|
49
|
|
50
|
|
-51
|
|
-52
|
|
-53
|
|
+Lorem
|
|
54
|
|
55
|
|
56
|
|
57
|
|
`);
|
|
});
|
|
});
|
|
|
|
describe('with "move" action', () => {
|
|
it('returns rename head', () => {
|
|
const result = createFileDiff(createMovedFile(PATH, PATH_FOO), commitActionTypes.move);
|
|
|
|
expect(result).toBe(`diff --git "a/${PATH_FOO}" "b/${PATH}"
|
|
rename from ${PATH_FOO}
|
|
rename to ${PATH}
|
|
`);
|
|
});
|
|
});
|
|
});
|