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

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package s3manager_test
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import (
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
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"path/filepath"
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"strings"
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"testing"
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"github.com/mastertinner/s3manager/internal/app/s3manager"
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"github.com/matryer/is"
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"github.com/matryer/way"
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minio "github.com/minio/minio-go"
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)
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func TestHandleBucketView(t *testing.T) {
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cases := map[string]struct {
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listObjectsV2Func func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo
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bucketName string
expectedStatusCode int
expectedBodyContains string
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}{
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"renders a bucket containing a file": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
go func() {
objCh <- minio.ObjectInfo{Key: "testFile"}
close(objCh)
}()
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return objCh
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},
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bucketName: "testBucket",
expectedStatusCode: http.StatusOK,
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expectedBodyContains: "testFile",
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},
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"renders placeholder for an empty bucket": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
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close(objCh)
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return objCh
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},
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bucketName: "testBucket",
expectedStatusCode: http.StatusOK,
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expectedBodyContains: "No objects in",
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},
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"renders a bucket containing an archive": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
go func() {
objCh <- minio.ObjectInfo{Key: "archive.tar.gz"}
close(objCh)
}()
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return objCh
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},
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bucketName: "testBucket",
expectedStatusCode: http.StatusOK,
expectedBodyContains: "archive",
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},
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"renders a bucket containing an image": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
go func() {
objCh <- minio.ObjectInfo{Key: "testImage.png"}
close(objCh)
}()
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return objCh
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},
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bucketName: "testBucket",
expectedStatusCode: http.StatusOK,
expectedBodyContains: "photo",
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},
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"renders a bucket containing a sound file": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
go func() {
objCh <- minio.ObjectInfo{Key: "testSound.mp3"}
close(objCh)
}()
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return objCh
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},
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bucketName: "testBucket",
expectedStatusCode: http.StatusOK,
expectedBodyContains: "music_note",
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},
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"returns error if the bucket doesn't exist": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
go func() {
objCh <- minio.ObjectInfo{Err: s3manager.ErrBucketDoesNotExist}
close(objCh)
}()
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return objCh
},
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bucketName: "testBucket",
expectedStatusCode: http.StatusNotFound,
expectedBodyContains: http.StatusText(http.StatusNotFound),
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},
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"returns error if there is an S3 error": {
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listObjectsV2Func: func(string, string, bool, <-chan struct{}) <-chan minio.ObjectInfo {
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objCh := make(chan minio.ObjectInfo)
go func() {
objCh <- minio.ObjectInfo{Err: errors.New("mocked S3 error")}
close(objCh)
}()
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return objCh
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},
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bucketName: "testBucket",
expectedStatusCode: http.StatusInternalServerError,
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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is := is.New(t)
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s3 := &S3Mock{
ListObjectsV2Func: tc.listObjectsV2Func,
}
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tmplDir := filepath.Join("..", "..", "..", "web", "template")
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r := way.NewRouter()
r.Handle(http.MethodGet, "/buckets/:bucketName", s3manager.HandleBucketView(s3, tmplDir))
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ts := httptest.NewServer(r)
defer ts.Close()
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url := fmt.Sprintf("%s/buckets/%s", ts.URL, tc.bucketName)
resp, err := http.Get(url)
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is.NoErr(err)
defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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is.NoErr(err)
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is.Equal(tc.expectedStatusCode, resp.StatusCode) // status code
is.True(strings.Contains(string(body), tc.expectedBodyContains)) // body
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})
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}
}