s3manager-web/internal/app/s3manager/buckets_view_test.go

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package s3manager_test
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import (
"errors"
"net/http"
"net/http/httptest"
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"path/filepath"
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"testing"
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"github.com/gorilla/mux"
"github.com/mastertinner/s3manager/internal/app/s3manager"
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minio "github.com/minio/minio-go"
"github.com/stretchr/testify/assert"
)
func TestBucketsViewHandler(t *testing.T) {
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cases := map[string]struct {
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listBucketsFunc func() ([]minio.BucketInfo, error)
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expectedStatusCode int
expectedBodyContains string
}{
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"renders a list of buckets": {
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listBucketsFunc: func() ([]minio.BucketInfo, error) {
return []minio.BucketInfo{{Name: "testBucket"}}, nil
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},
expectedStatusCode: http.StatusOK,
expectedBodyContains: "testBucket",
},
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"renders placeholder if no buckets": {
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listBucketsFunc: func() ([]minio.BucketInfo, error) {
return []minio.BucketInfo{}, nil
},
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expectedStatusCode: http.StatusOK,
expectedBodyContains: "No buckets yet",
},
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"returns error if there is an S3 error": {
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listBucketsFunc: func() ([]minio.BucketInfo, error) {
return []minio.BucketInfo{}, errors.New("mocked S3 error")
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},
expectedStatusCode: http.StatusInternalServerError,
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expectedBodyContains: http.StatusText(http.StatusInternalServerError),
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},
}
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for tcID, tc := range cases {
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t.Run(tcID, func(t *testing.T) {
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assert := assert.New(t)
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s3 := &S3Mock{
ListBucketsFunc: tc.listBucketsFunc,
}
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tmplDir := filepath.Join("..", "..", "..", "web", "template")
r := mux.NewRouter()
r.
Methods(http.MethodGet).
Path("/buckets/{bucketName}").
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Handler(s3manager.BucketViewHandler(s3, tmplDir))
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req, err := http.NewRequest(http.MethodGet, "/buckets", nil)
assert.NoError(err, tcID)
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rr := httptest.NewRecorder()
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handler := s3manager.BucketsViewHandler(s3, tmplDir)
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handler.ServeHTTP(rr, req)
resp := rr.Result()
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assert.Equal(tc.expectedStatusCode, resp.StatusCode, tcID)
assert.Contains(rr.Body.String(), tc.expectedBodyContains, tcID)
})
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}
}