log-name-status.spec.ts

import {
   createTestContext,
   like,
   newSimpleGit,
   setUpFilesAdded,
   setUpInit,
   SimpleGitTestContext,
} from '@simple-git/test-utils';

import { DiffNameStatus, DiffResultTextFile } from '../..';

describe('log-name-status', function () {
   let context: SimpleGitTestContext;
   const steps = ['mv a b', 'commit -m two'];

   beforeEach(async () => {
      context = await createTestContext();
      await setUpInit(context);
      await setUpFilesAdded(context, ['a'], '.', 'one');
      for (const step of steps) {
         await context.git.raw(step.split(' '));
      }
   });

   it('detects files moved with --name-status', async () => {
      const actual = await newSimpleGit(context.root).log(['--name-status']);

      expect(actual.all).toEqual([
         mockListLogLine('two', { b: [DiffNameStatus.RENAMED, 100, 'a'] }),
         mockListLogLine('one', { a: [DiffNameStatus.ADDED] }),
      ]);
   });
});

function mockListLogLine(
   message: string,
   changes: Record<string, [DiffNameStatus, number?, string?]>
) {
   const files: DiffResultTextFile[] = Object.entries(changes).map(
      ([file, [status, similarity = 0, from]]) => {
         return {
            binary: false,
            changes: 0,
            deletions: 0,
            file,
            insertions: 0,
            similarity,
            status,
            from,
         };
      }
   );
   return like({
      message,
      diff: like({ changed: files.length, deletions: 0, insertions: 0, files }),
   });
}