Function TestApplyDiffAddfile

diff_test.go:243–464

(t *testing.T)

}

func TestApplyDiffAddfile(t *testing.T) {
	repo := createTestRepo(t)
	defer cleanupTestRepo(t, repo)

	seedTestRepo(t, repo)

	addFirstFileCommit, addFirstFileTree := addAndGetTree(t, repo, "file1", `hello`)
	defer addFirstFileCommit.Free()
	defer addFirstFileTree.Free()
	addSecondFileCommit, addSecondFileTree := addAndGetTree(t, repo, "file2", `hello2`)
	defer addSecondFileCommit.Free()
	defer addSecondFileTree.Free()

	diff, err := repo.DiffTreeToTree(addFirstFileTree, addSecondFileTree, nil)
	checkFatal(t, err)
	defer diff.Free()

	t.Run("check does not apply to current tree because file exists", func(t *testing.T) {
		err = repo.ResetToCommit(addSecondFileCommit, ResetHard, &CheckoutOptions{})
		checkFatal(t, err)

		err = repo.ApplyDiff(diff, ApplyLocationBoth, nil)
		if err == nil {
			t.Error("expecting applying patch to current repo to fail")
		}
	})

	t.Run("check apply to correct commit", func(t *testing.T) {
		err = repo.ResetToCommit(addFirstFileCommit, ResetHard, &CheckoutOptions{})
		checkFatal(t, err)

		err = repo.ApplyDiff(diff, ApplyLocationBoth, nil)
		checkFatal(t, err)

		t.Run("Check that diff only changed one file", func(t *testing.T) {
			checkSecondFileStaged(t, repo)

			index, err := repo.Index()
			checkFatal(t, err)
			defer index.Free()

			newTreeOID, err := index.WriteTreeTo(repo)
			checkFatal(t, err)

			newTree, err := repo.LookupTree(newTreeOID)
			checkFatal(t, err)
			defer newTree.Free()

			_, err = repo.CreateCommit("HEAD", signature(), signature(), fmt.Sprintf("patch apply"), newTree, addFirstFileCommit)
			checkFatal(t, err)
		})

		t.Run("test applying patch produced the same diff", func(t *testing.T) {
			head, err := repo.Head()
			checkFatal(t, err)

			commit, err := repo.LookupCommit(head.Target())
			checkFatal(t, err)