package main import ( "errors" "fmt" "io/ioutil" "net/http" "net/http/httptest" "testing" "github.com/gorilla/mux" minio "github.com/minio/minio-go" "github.com/stretchr/testify/assert" ) func TestBucketViewHandler(t *testing.T) { assert := assert.New(t) tests := map[string]struct { s3 S3Client bucketName string expectedStatusCode int expectedBodyCountains string }{ "success (empty bucket)": { s3: &S3ClientMock{ Buckets: []minio.BucketInfo{ {Name: "testBucket"}, }, }, bucketName: "testBucket", expectedStatusCode: http.StatusOK, expectedBodyCountains: "No objects in", }, "success (with file)": { s3: &S3ClientMock{ Buckets: []minio.BucketInfo{ {Name: "testBucket"}, }, Objects: []minio.ObjectInfo{ {Key: "testFile"}, }, }, bucketName: "testBucket", expectedStatusCode: http.StatusOK, expectedBodyCountains: "testBucket", }, "success (archive)": { s3: &S3ClientMock{ Buckets: []minio.BucketInfo{ {Name: "testBucket"}, }, Objects: []minio.ObjectInfo{ {Key: "archive.tar.gz"}, }, }, bucketName: "testBucket", expectedStatusCode: http.StatusOK, expectedBodyCountains: "archive", }, "success (image)": { s3: &S3ClientMock{ Buckets: []minio.BucketInfo{ {Name: "testBucket"}, }, Objects: []minio.ObjectInfo{ {Key: "testImage.png"}, }, }, bucketName: "testBucket", expectedStatusCode: http.StatusOK, expectedBodyCountains: "photo", }, "success (sound)": { s3: &S3ClientMock{ Buckets: []minio.BucketInfo{ {Name: "testBucket"}, }, Objects: []minio.ObjectInfo{ {Key: "testSound.mp3"}, }, }, bucketName: "testBucket", expectedStatusCode: http.StatusOK, expectedBodyCountains: "music_note", }, "bucket doesn't exist": { s3: &S3ClientMock{}, bucketName: "testBucket", expectedStatusCode: http.StatusNotFound, expectedBodyCountains: "bucket not found\n", }, "s3 error": { s3: &S3ClientMock{ Err: errors.New("mocked S3 error"), }, bucketName: "testBucket", expectedStatusCode: http.StatusInternalServerError, expectedBodyCountains: "error listing objects\n", }, } for _, tc := range tests { r := mux.NewRouter() r. Methods(http.MethodGet). Path("/buckets/{bucketName}"). Handler(BucketViewHandler(tc.s3)) ts := httptest.NewServer(r) defer ts.Close() url := fmt.Sprintf("%s/buckets/%s", ts.URL, tc.bucketName) resp, err := http.Get(url) assert.NoError(err) defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) assert.NoError(err) assert.Equal(tc.expectedStatusCode, resp.StatusCode) assert.Contains(string(body), tc.expectedBodyCountains) } }