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	author, err := backend.NewIdentity("test identity", "test@test.org")
153	require.NoError(t, err)
154
155	err = backend.SetUserIdentity(author)
156	require.NoError(t, err)
157
158	defer backend.Close()
159	interrupt.RegisterCleaner(backend.Close)
160
161	tests := testCases(t, backend)
162
163	token := auth.NewToken(author.Id(), envToken, target)
164	err = auth.Store(repo, token)
165	require.NoError(t, err)
166
167	// generate project name
168	projectName := generateRepoName()
169
170	// create target Gitlab repository
171	projectID, err := createRepository(context.TODO(), projectName, token)
172	require.NoError(t, err)
173
174	fmt.Println("created repository", projectName)
175
176	// Make sure to remove the Gitlab repository when the test end
177	defer func(t *testing.T) {
178		if err := deleteRepository(context.TODO(), projectID, token); err != nil {
179			t.Fatal(err)
180		}
181		fmt.Println("deleted repository:", projectName)
182	}(t)
183
184	interrupt.RegisterCleaner(func() error {
185		return deleteRepository(context.TODO(), projectID, token)
186	})
187
188	// initialize exporter
189	exporter := &gitlabExporter{}
190	err = exporter.Init(backend, core.Configuration{
191		keyProjectID:     strconv.Itoa(projectID),
192		keyGitlabBaseUrl: "https://gitlab.com/",
193	})
194	require.NoError(t, err)
195
196	ctx := context.Background()
197	start := time.Now()
198
199	// export all bugs
200	exportEvents, err := exporter.ExportAll(ctx, backend, time.Time{})
201	require.NoError(t, err)
202
203	for result := range exportEvents {
204		require.NoError(t, result.Err)
205	}
206	require.NoError(t, err)
207
208	fmt.Printf("test repository exported in %f seconds\n", time.Since(start).Seconds())
209
210	repoTwo := repository.CreateTestRepo(false)
211	defer repository.CleanupTestRepos(t, repoTwo)
212
213	// create a second backend
214	backendTwo, err := cache.NewRepoCache(repoTwo)
215	require.NoError(t, err)
216
217	importer := &gitlabImporter{}
218	err = importer.Init(backend, core.Configuration{
219		keyProjectID:     strconv.Itoa(projectID),
220		keyGitlabBaseUrl: "https://gitlab.com/",
221	})
222	require.NoError(t, err)
223
224	// import all exported bugs to the second backend
225	importEvents, err := importer.ImportAll(ctx, backendTwo, time.Time{})
226	require.NoError(t, err)
227
228	for result := range importEvents {
229		require.NoError(t, result.Err)
230	}
231
232	require.Len(t, backendTwo.AllBugsIds(), len(tests))
233
234	for _, tt := range tests {
235		t.Run(tt.name, func(t *testing.T) {
236			// for each operation a SetMetadataOperation will be added
237			// so number of operations should double
238			require.Len(t, tt.bug.Snapshot().Operations, tt.numOpExp)
239
240			// verify operation have correct metadata
241			for _, op := range tt.bug.Snapshot().Operations {
242				// Check if the originals operations (*not* SetMetadata) are tagged properly
243				if _, ok := op.(*bug.SetMetadataOperation); !ok {
244					_, haveIDMetadata := op.GetMetadata(metaKeyGitlabId)
245					require.True(t, haveIDMetadata)
246
247					_, haveURLMetada := op.GetMetadata(metaKeyGitlabUrl)
248					require.True(t, haveURLMetada)
249				}
250			}
251
252			// get bug gitlab ID
253			bugGitlabID, ok := tt.bug.Snapshot().GetCreateMetadata(metaKeyGitlabId)
254			require.True(t, ok)
255
256			// retrieve bug from backendTwo
257			importedBug, err := backendTwo.ResolveBugCreateMetadata(metaKeyGitlabId, bugGitlabID)
258			require.NoError(t, err)
259
260			// verify bug have same number of original operations
261			require.Len(t, importedBug.Snapshot().Operations, tt.numOpImp)
262
263			// verify bugs are taged with origin=gitlab
264			issueOrigin, ok := importedBug.Snapshot().GetCreateMetadata(core.MetaKeyOrigin)
265			require.True(t, ok)
266			require.Equal(t, issueOrigin, target)
267
268			//TODO: maybe more tests to ensure bug final state
269		})
270	}
271}
272
273func generateRepoName() string {
274	rand.Seed(time.Now().UnixNano())
275	var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
276	b := make([]rune, 8)
277	for i := range b {
278		b[i] = letterRunes[rand.Intn(len(letterRunes))]
279	}
280	return fmt.Sprintf("%s-%s", testRepoBaseName, string(b))
281}
282
283// create repository need a token with scope 'repo'
284func createRepository(ctx context.Context, name string, token *auth.Token) (int, error) {
285	client, err := buildClient("https://gitlab.com/", token)
286	if err != nil {
287		return 0, err
288	}
289
290	project, _, err := client.Projects.CreateProject(
291		&gitlab.CreateProjectOptions{
292			Name: gitlab.String(name),
293		},
294		gitlab.WithContext(ctx),
295	)
296	if err != nil {
297		return 0, err
298	}
299
300	return project.ID, nil
301}
302
303// delete repository need a token with scope 'delete_repo'
304func deleteRepository(ctx context.Context, project int, token *auth.Token) error {
305	client, err := buildClient("https://gitlab.com/", token)
306	if err != nil {
307		return err
308	}
309
310	_, err = client.Projects.DeleteProject(project, gitlab.WithContext(ctx))
311	return err
312}