package s3manager_test import ( "errors" "io/ioutil" "net/http" "net/http/httptest" "path/filepath" "strings" "testing" "github.com/mastertinner/s3manager/internal/app/s3manager" "github.com/mastertinner/s3manager/internal/app/s3manager/mocks" "github.com/matryer/is" minio "github.com/minio/minio-go" ) func TestHandleBucketsView(t *testing.T) { cases := map[string]struct { listBucketsFunc func() ([]minio.BucketInfo, error) expectedStatusCode int expectedBodyContains string }{ "renders a list of buckets": { listBucketsFunc: func() ([]minio.BucketInfo, error) { return []minio.BucketInfo{{Name: "testBucket"}}, nil }, expectedStatusCode: http.StatusOK, expectedBodyContains: "testBucket", }, "renders placeholder if no buckets": { listBucketsFunc: func() ([]minio.BucketInfo, error) { return []minio.BucketInfo{}, nil }, expectedStatusCode: http.StatusOK, expectedBodyContains: "No buckets yet", }, "returns error if there is an S3 error": { listBucketsFunc: func() ([]minio.BucketInfo, error) { return []minio.BucketInfo{}, errors.New("mocked S3 error") }, expectedStatusCode: http.StatusInternalServerError, expectedBodyContains: http.StatusText(http.StatusInternalServerError), }, } for tcID, tc := range cases { t.Run(tcID, func(t *testing.T) { is := is.New(t) s3 := &mocks.S3Mock{ ListBucketsFunc: tc.listBucketsFunc, } tmplDir := filepath.Join("..", "..", "..", "web", "template") req, err := http.NewRequest(http.MethodGet, "/buckets", nil) is.NoErr(err) rr := httptest.NewRecorder() handler := s3manager.HandleBucketsView(s3, tmplDir) handler.ServeHTTP(rr, req) resp := rr.Result() defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) is.NoErr(err) is.Equal(tc.expectedStatusCode, resp.StatusCode) // status code is.True(strings.Contains(string(body), tc.expectedBodyContains)) // body }) } }