1package gitlab
  2
  3import (
  4	"context"
  5	"fmt"
  6	"math/rand"
  7	"os"
  8	"strconv"
  9	"testing"
 10	"time"
 11
 12	"github.com/xanzy/go-gitlab"
 13
 14	"github.com/stretchr/testify/require"
 15
 16	"github.com/MichaelMure/git-bug/bridge/core"
 17	"github.com/MichaelMure/git-bug/bridge/core/auth"
 18	"github.com/MichaelMure/git-bug/bug"
 19	"github.com/MichaelMure/git-bug/cache"
 20	"github.com/MichaelMure/git-bug/repository"
 21	"github.com/MichaelMure/git-bug/util/interrupt"
 22)
 23
 24const (
 25	testRepoBaseName = "git-bug-test-gitlab-exporter"
 26)
 27
 28type testCase struct {
 29	name     string
 30	bug      *cache.BugCache
 31	numOp    int // number of original operations
 32	numOpExp int // number of operations after export
 33	numOpImp int // number of operations after import
 34}
 35
 36func testCases(t *testing.T, repo *cache.RepoCache) []*testCase {
 37	// simple bug
 38	simpleBug, _, err := repo.NewBug("simple bug", "new bug")
 39	require.NoError(t, err)
 40
 41	// bug with comments
 42	bugWithComments, _, err := repo.NewBug("bug with comments", "new bug")
 43	require.NoError(t, err)
 44
 45	_, err = bugWithComments.AddComment("new comment")
 46	require.NoError(t, err)
 47
 48	// bug with label changes
 49	bugLabelChange, _, err := repo.NewBug("bug label change", "new bug")
 50	require.NoError(t, err)
 51
 52	_, _, err = bugLabelChange.ChangeLabels([]string{"bug"}, nil)
 53	require.NoError(t, err)
 54
 55	_, _, err = bugLabelChange.ChangeLabels([]string{"core"}, nil)
 56	require.NoError(t, err)
 57
 58	_, _, err = bugLabelChange.ChangeLabels(nil, []string{"bug"})
 59	require.NoError(t, err)
 60
 61	// bug with comments editions
 62	bugWithCommentEditions, createOp, err := repo.NewBug("bug with comments editions", "new bug")
 63	require.NoError(t, err)
 64
 65	_, err = bugWithCommentEditions.EditComment(createOp.Id(), "first comment edited")
 66	require.NoError(t, err)
 67
 68	commentOp, err := bugWithCommentEditions.AddComment("first comment")
 69	require.NoError(t, err)
 70
 71	_, err = bugWithCommentEditions.EditComment(commentOp.Id(), "first comment edited")
 72	require.NoError(t, err)
 73
 74	// bug status changed
 75	bugStatusChanged, _, err := repo.NewBug("bug status changed", "new bug")
 76	require.NoError(t, err)
 77
 78	_, err = bugStatusChanged.Close()
 79	require.NoError(t, err)
 80
 81	_, err = bugStatusChanged.Open()
 82	require.NoError(t, err)
 83
 84	// bug title changed
 85	bugTitleEdited, _, err := repo.NewBug("bug title edited", "new bug")
 86	require.NoError(t, err)
 87
 88	_, err = bugTitleEdited.SetTitle("bug title edited again")
 89	require.NoError(t, err)
 90
 91	return []*testCase{
 92		&testCase{
 93			name:     "simple bug",
 94			bug:      simpleBug,
 95			numOp:    1,
 96			numOpExp: 2,
 97			numOpImp: 1,
 98		},
 99		&testCase{
100			name:     "bug with comments",
101			bug:      bugWithComments,
102			numOp:    2,
103			numOpExp: 4,
104			numOpImp: 2,
105		},
106		&testCase{
107			name:     "bug label change",
108			bug:      bugLabelChange,
109			numOp:    4,
110			numOpExp: 8,
111			numOpImp: 4,
112		},
113		&testCase{
114			name:     "bug with comment editions",
115			bug:      bugWithCommentEditions,
116			numOp:    4,
117			numOpExp: 8,
118			numOpImp: 2,
119		},
120		&testCase{
121			name:     "bug changed status",
122			bug:      bugStatusChanged,
123			numOp:    3,
124			numOpExp: 6,
125			numOpImp: 3,
126		},
127		&testCase{
128			name:     "bug title edited",
129			bug:      bugTitleEdited,
130			numOp:    2,
131			numOpExp: 4,
132			numOpImp: 2,
133		},
134	}
135}
136
137func TestPushPull(t *testing.T) {
138	// token must have 'repo' and 'delete_repo' scopes
139	envToken := os.Getenv("GITLAB_API_TOKEN")
140	if envToken == "" {
141		t.Skip("Env var GITLAB_API_TOKEN missing")
142	}
143
144	// create repo backend
145	repo := repository.CreateTestRepo(false)
146	defer repository.CleanupTestRepos(t, repo)
147
148	backend, err := cache.NewRepoCache(repo)
149	require.NoError(t, err)
150
151	// set author identity
152	login := "test-identity"
153	author, err := backend.NewIdentity("test identity", "test@test.org")
154	require.NoError(t, err)
155	author.SetMetadata(metaKeyGitlabLogin, login)
156	err = author.Commit()
157	require.NoError(t, err)
158
159	err = backend.SetUserIdentity(author)
160	require.NoError(t, err)
161
162	defer backend.Close()
163	interrupt.RegisterCleaner(backend.Close)
164
165	token := auth.NewToken(envToken, target)
166	token.SetMetadata(auth.MetaKeyLogin, login)
167	err = auth.Store(repo, token)
168	require.NoError(t, err)
169
170	tests := testCases(t, backend)
171
172	// generate project name
173	projectName := generateRepoName()
174
175	// create target Gitlab repository
176	projectID, err := createRepository(context.TODO(), projectName, token)
177	require.NoError(t, err)
178
179	fmt.Println("created repository", projectName)
180
181	// Make sure to remove the Gitlab repository when the test end
182	defer func(t *testing.T) {
183		if err := deleteRepository(context.TODO(), projectID, token); err != nil {
184			t.Fatal(err)
185		}
186		fmt.Println("deleted repository:", projectName)
187	}(t)
188
189	interrupt.RegisterCleaner(func() error {
190		return deleteRepository(context.TODO(), projectID, token)
191	})
192
193	// initialize exporter
194	exporter := &gitlabExporter{}
195	err = exporter.Init(backend, core.Configuration{
196		keyProjectID:     strconv.Itoa(projectID),
197		keyGitlabBaseUrl: "https://gitlab.com/",
198	})
199	require.NoError(t, err)
200
201	ctx := context.Background()
202	start := time.Now()
203
204	// export all bugs
205	exportEvents, err := exporter.ExportAll(ctx, backend, time.Time{})
206	require.NoError(t, err)
207
208	for result := range exportEvents {
209		require.NoError(t, result.Err)
210	}
211	require.NoError(t, err)
212
213	fmt.Printf("test repository exported in %f seconds\n", time.Since(start).Seconds())
214
215	repoTwo := repository.CreateTestRepo(false)
216	defer repository.CleanupTestRepos(t, repoTwo)
217
218	// create a second backend
219	backendTwo, err := cache.NewRepoCache(repoTwo)
220	require.NoError(t, err)
221
222	importer := &gitlabImporter{}
223	err = importer.Init(backend, core.Configuration{
224		keyProjectID:     strconv.Itoa(projectID),
225		keyGitlabBaseUrl: "https://gitlab.com/",
226	})
227	require.NoError(t, err)
228
229	// import all exported bugs to the second backend
230	importEvents, err := importer.ImportAll(ctx, backendTwo, time.Time{})
231	require.NoError(t, err)
232
233	for result := range importEvents {
234		require.NoError(t, result.Err)
235	}
236
237	require.Len(t, backendTwo.AllBugsIds(), len(tests))
238
239	for _, tt := range tests {
240		t.Run(tt.name, func(t *testing.T) {
241			// for each operation a SetMetadataOperation will be added
242			// so number of operations should double
243			require.Len(t, tt.bug.Snapshot().Operations, tt.numOpExp)
244
245			// verify operation have correct metadata
246			for _, op := range tt.bug.Snapshot().Operations {
247				// Check if the originals operations (*not* SetMetadata) are tagged properly
248				if _, ok := op.(*bug.SetMetadataOperation); !ok {
249					_, haveIDMetadata := op.GetMetadata(metaKeyGitlabId)
250					require.True(t, haveIDMetadata)
251
252					_, haveURLMetada := op.GetMetadata(metaKeyGitlabUrl)
253					require.True(t, haveURLMetada)
254				}
255			}
256
257			// get bug gitlab ID
258			bugGitlabID, ok := tt.bug.Snapshot().GetCreateMetadata(metaKeyGitlabId)
259			require.True(t, ok)
260
261			// retrieve bug from backendTwo
262			importedBug, err := backendTwo.ResolveBugCreateMetadata(metaKeyGitlabId, bugGitlabID)
263			require.NoError(t, err)
264
265			// verify bug have same number of original operations
266			require.Len(t, importedBug.Snapshot().Operations, tt.numOpImp)
267
268			// verify bugs are tagged with origin=gitlab
269			issueOrigin, ok := importedBug.Snapshot().GetCreateMetadata(core.MetaKeyOrigin)
270			require.True(t, ok)
271			require.Equal(t, issueOrigin, target)
272
273			//TODO: maybe more tests to ensure bug final state
274		})
275	}
276}
277
278func generateRepoName() string {
279	rand.Seed(time.Now().UnixNano())
280	var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
281	b := make([]rune, 8)
282	for i := range b {
283		b[i] = letterRunes[rand.Intn(len(letterRunes))]
284	}
285	return fmt.Sprintf("%s-%s", testRepoBaseName, string(b))
286}
287
288// create repository need a token with scope 'repo'
289func createRepository(ctx context.Context, name string, token *auth.Token) (int, error) {
290	client, err := buildClient("https://gitlab.com/", token)
291	if err != nil {
292		return 0, err
293	}
294
295	project, _, err := client.Projects.CreateProject(
296		&gitlab.CreateProjectOptions{
297			Name: gitlab.String(name),
298		},
299		gitlab.WithContext(ctx),
300	)
301	if err != nil {
302		return 0, err
303	}
304
305	return project.ID, nil
306}
307
308// delete repository need a token with scope 'delete_repo'
309func deleteRepository(ctx context.Context, project int, token *auth.Token) error {
310	client, err := buildClient("https://gitlab.com/", token)
311	if err != nil {
312		return err
313	}
314
315	_, err = client.Projects.DeleteProject(project, gitlab.WithContext(ctx))
316	return err
317}