chore: started adding git unit tests

test/src/utils/git/impl/git.spec.ts

@@ -0,0 +1,64 @@
+import { Git } from '../../../../../src/utils/git/impl/git';
+import { loggerFactory } from '../../../../common/logger';
+import { Checkout, Commit, Repository, Reset } from 'nodegit';
+
+describe(`git`, () => {
+  const openMock = jest.fn();
+  const repositorySpy = {
+    open: openMock,
+  };
+  const resetMock = jest.fn();
+  const resetSpy = {
+    reset: resetMock,
+  };
+  const checkoutSpy = {};
+  const commitSpy = ({
+    id: () => {
+      return {
+        tostrS: () => {
+          return `test-commit-sha`;
+        },
+      };
+    },
+  } as any) as Commit;
+  const nodeGitSpy = {
+    Repository: repositorySpy,
+    Reset: resetSpy,
+    Checkout: checkoutSpy,
+  } as any;
+  const git = new Git(nodeGitSpy, loggerFactory);
+
+  beforeEach(() => {
+    resetMock.mockReset();
+    openMock.mockReset();
+  });
+
+  describe(`checkout commit`, () => {
+    it(`should open checkout commit`, async () => {
+      const repoPlaceholder = ({} as any) as Repository;
+      resetMock.mockResolvedValue(undefined);
+      await git.checkoutCommit({
+        repo: repoPlaceholder,
+        commit: commitSpy,
+      });
+      expect(resetMock).toHaveBeenCalledTimes(1);
+      expect(resetMock).toHaveBeenCalledWith(repoPlaceholder, commitSpy, Reset.TYPE.HARD, {
+        checkoutStrategy: Checkout.STRATEGY.SAFE,
+      });
+    });
+  });
+
+  describe(`open repo`, () => {
+    it(`should open existing repo`, async () => {
+      const path = `/path/to/repo`;
+      const repoPlaceholder = {};
+      openMock.mockResolvedValue(repoPlaceholder);
+      const repo = await git.openRepo({
+        path,
+      });
+      expect(repo).toBe(repoPlaceholder);
+      expect(openMock).toHaveBeenCalledTimes(1);
+      expect(openMock).toHaveBeenCalledWith(path);
+    });
+  });
+});