cloudflare/pint
Publicmirrored from https://github.com/cloudflare/pintAvailable
internal/git/git_test.go
177lines · modecode
| 1 | package git_test |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "regexp" |
| 7 | "strconv" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | |
| 11 | "github.com/stretchr/testify/require" |
| 12 | |
| 13 | "github.com/cloudflare/pint/internal/git" |
| 14 | ) |
| 15 | |
| 16 | func TestDescribe(t *testing.T) { |
| 17 | type testCaseT struct { |
| 18 | name string |
| 19 | mock git.CommandRunner |
| 20 | expected git.Info |
| 21 | err string |
| 22 | } |
| 23 | |
| 24 | testCases := []testCaseT{ |
| 25 | { |
| 26 | // First git command (rev-parse --verify HEAD) fails. |
| 27 | name: "head commit command fails", |
| 28 | mock: func(_ context.Context, _ ...string) ([]byte, error) { |
| 29 | return nil, errors.New("mock error") |
| 30 | }, |
| 31 | err: "mock error", |
| 32 | }, |
| 33 | { |
| 34 | // First command succeeds, second (rev-parse --abbrev-ref HEAD) fails. |
| 35 | name: "current branch command fails", |
| 36 | mock: func() git.CommandRunner { |
| 37 | var calls int |
| 38 | return func(_ context.Context, _ ...string) ([]byte, error) { |
| 39 | calls++ |
| 40 | if calls == 1 { |
| 41 | return []byte("abc123\n"), nil |
| 42 | } |
| 43 | return nil, errors.New("branch error") |
| 44 | } |
| 45 | }(), |
| 46 | err: "branch error", |
| 47 | }, |
| 48 | { |
| 49 | // Both commands succeed. |
| 50 | name: "both commands succeed", |
| 51 | mock: func() git.CommandRunner { |
| 52 | var calls int |
| 53 | return func(_ context.Context, _ ...string) ([]byte, error) { |
| 54 | calls++ |
| 55 | if calls == 1 { |
| 56 | return []byte("abc123\n"), nil |
| 57 | } |
| 58 | return []byte("feature/foo\n"), nil |
| 59 | } |
| 60 | }(), |
| 61 | expected: git.Info{ |
| 62 | HeadCommit: "abc123", |
| 63 | CurrentBranch: "feature/foo", |
| 64 | }, |
| 65 | }, |
| 66 | { |
| 67 | // Both commands succeed with empty output. |
| 68 | name: "both commands succeed with empty output", |
| 69 | mock: func(_ context.Context, _ ...string) ([]byte, error) { |
| 70 | return []byte(""), nil |
| 71 | }, |
| 72 | expected: git.Info{ |
| 73 | HeadCommit: "", |
| 74 | CurrentBranch: "", |
| 75 | }, |
| 76 | }, |
| 77 | } |
| 78 | |
| 79 | for _, tc := range testCases { |
| 80 | t.Run(tc.name, func(t *testing.T) { |
| 81 | info, err := git.Describe(t.Context(), tc.mock) |
| 82 | if tc.err != "" { |
| 83 | require.EqualError(t, err, tc.err) |
| 84 | } else { |
| 85 | require.NoError(t, err) |
| 86 | require.Equal(t, tc.expected, info) |
| 87 | } |
| 88 | }) |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | func TestRunGit(t *testing.T) { |
| 93 | type testCaseT struct { |
| 94 | output *regexp.Regexp |
| 95 | err string |
| 96 | args []string |
| 97 | } |
| 98 | |
| 99 | testCases := []testCaseT{ |
| 100 | { |
| 101 | args: []string{"version"}, |
| 102 | output: regexp.MustCompile("^git version"), |
| 103 | }, |
| 104 | { |
| 105 | args: []string{"xxx"}, |
| 106 | err: "git: 'xxx' is not a git command. See 'git --help'.\n", |
| 107 | }, |
| 108 | { |
| 109 | // config --get with non-existent key exits with 1 but no stderr |
| 110 | args: []string{"config", "--get", "nonexistent.key.that.does.not.exist"}, |
| 111 | err: "exit status 1", |
| 112 | }, |
| 113 | } |
| 114 | |
| 115 | for _, tc := range testCases { |
| 116 | t.Run(strings.Join(tc.args, " "), func(t *testing.T) { |
| 117 | output, err := git.RunGit(t.Context(), tc.args...) |
| 118 | if tc.err != "" { |
| 119 | require.EqualError(t, err, tc.err) |
| 120 | } else { |
| 121 | require.NoError(t, err) |
| 122 | require.Regexp(t, tc.output, string(output)) |
| 123 | } |
| 124 | }) |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | func TestCommitMessage(t *testing.T) { |
| 129 | type testCaseT struct { |
| 130 | mock git.CommandRunner |
| 131 | output string |
| 132 | shouldError bool |
| 133 | } |
| 134 | |
| 135 | testCases := []testCaseT{ |
| 136 | { |
| 137 | mock: func(_ context.Context, _ ...string) ([]byte, error) { |
| 138 | return nil, errors.New("mock error") |
| 139 | }, |
| 140 | output: "", |
| 141 | shouldError: true, |
| 142 | }, |
| 143 | { |
| 144 | mock: func(_ context.Context, _ ...string) ([]byte, error) { |
| 145 | return []byte(""), nil |
| 146 | }, |
| 147 | output: "", |
| 148 | shouldError: false, |
| 149 | }, |
| 150 | { |
| 151 | mock: func(_ context.Context, _ ...string) ([]byte, error) { |
| 152 | return []byte("foo"), nil |
| 153 | }, |
| 154 | output: "foo", |
| 155 | }, |
| 156 | { |
| 157 | mock: func(_ context.Context, _ ...string) ([]byte, error) { |
| 158 | return []byte("foo bar\n"), nil |
| 159 | }, |
| 160 | output: "foo bar\n", |
| 161 | }, |
| 162 | } |
| 163 | |
| 164 | for i, tc := range testCases { |
| 165 | t.Run(strconv.Itoa(i), func(t *testing.T) { |
| 166 | output, err := git.CommitMessage(t.Context(), tc.mock, "abc1234567890") |
| 167 | |
| 168 | hadError := (err != nil) |
| 169 | if hadError != tc.shouldError { |
| 170 | t.Errorf("git.CommitMessage() returned err=%v, expected=%v", err, tc.shouldError) |
| 171 | return |
| 172 | } |
| 173 | |
| 174 | require.Equal(t, tc.output, output, "git.CommitMessage() returned wrong output") |
| 175 | }) |
| 176 | } |
| 177 | } |
| 178 | |