Convert gateways into respective packages (#5200)

- Make azure gateway a package
- Make b2 gateway a package
- Make gcs gateway a package
- Make s3 gateway a package
- Make sia gateway a package

cmd/gateway/b2/gateway-b2_test.go

@@ -0,0 +1,203 @@
+/*
+ * Minio Cloud Storage, (C) 2017 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package b2
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	b2 "github.com/minio/blazer/base"
+	"github.com/minio/minio/pkg/errors"
+
+	minio "github.com/minio/minio/cmd"
+)
+
+// Tests headerToObjectInfo
+func TestHeaderToObjectInfo(t *testing.T) {
+	testCases := []struct {
+		bucket, object string
+		header         http.Header
+		objInfo        minio.ObjectInfo
+	}{
+		{
+			bucket: "bucket",
+			object: "object",
+			header: http.Header{
+				"Content-Length":         []string{"10"},
+				"Content-Type":           []string{"application/javascript"},
+				"X-Bz-Upload-Timestamp":  []string{"1000"},
+				"X-Bz-Info-X-Amz-Meta-1": []string{"test1"},
+				"X-Bz-File-Id":           []string{"xxxxx"},
+			},
+			objInfo: minio.ObjectInfo{
+				Bucket:      "bucket",
+				Name:        "object",
+				ContentType: "application/javascript",
+				Size:        10,
+				UserDefined: map[string]string{
+					"X-Amz-Meta-1": "test1",
+				},
+				ETag: "xxxxx",
+			},
+		},
+	}
+	for i, testCase := range testCases {
+		gotObjInfo, err := headerToObjectInfo(testCase.bucket, testCase.object, testCase.header)
+		if err != nil {
+			t.Fatalf("Test %d: %s", i+1, err)
+		}
+		if gotObjInfo.Bucket != testCase.objInfo.Bucket {
+			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.objInfo.Bucket, gotObjInfo.Bucket)
+		}
+		if gotObjInfo.Name != testCase.objInfo.Name {
+			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.objInfo.Name, gotObjInfo.Name)
+		}
+		if gotObjInfo.ContentType != testCase.objInfo.ContentType {
+			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.objInfo.ContentType, gotObjInfo.ContentType)
+		}
+		if gotObjInfo.ETag != testCase.objInfo.ETag {
+			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.objInfo.ETag, gotObjInfo.ETag)
+		}
+	}
+}
+
+// Tests mkRange test.
+func TestMkRange(t *testing.T) {
+	testCases := []struct {
+		offset, size int64
+		expectedRng  string
+	}{
+		// No offset set, size not set.
+		{
+			offset:      0,
+			size:        0,
+			expectedRng: "",
+		},
+		// Offset set, size not set.
+		{
+			offset:      10,
+			size:        0,
+			expectedRng: "bytes=10-",
+		},
+		// Offset set, size set.
+		{
+			offset:      10,
+			size:        11,
+			expectedRng: "bytes=10-20",
+		},
+	}
+	for i, testCase := range testCases {
+		gotRng := mkRange(testCase.offset, testCase.size)
+		if gotRng != testCase.expectedRng {
+			t.Errorf("Test %d: expected %s, got %s", i+1, testCase.expectedRng, gotRng)
+		}
+	}
+}
+
+// Test b2 object error.
+func TestB2ObjectError(t *testing.T) {
+	testCases := []struct {
+		params      []string
+		b2Err       error
+		expectedErr error
+	}{
+		{
+			[]string{}, nil, nil,
+		},
+		{
+			[]string{}, fmt.Errorf("Not *Error"), fmt.Errorf("Not *Error"),
+		},
+		{
+			[]string{}, errors.Trace(fmt.Errorf("Non B2 Error")), fmt.Errorf("Non B2 Error"),
+		},
+		{
+			[]string{"bucket"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "duplicate_bucket_name",
+			}), minio.BucketAlreadyOwnedByYou{
+				Bucket: "bucket",
+			},
+		},
+		{
+			[]string{"bucket"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "bad_request",
+			}), minio.BucketNotFound{
+				Bucket: "bucket",
+			},
+		},
+		{
+			[]string{"bucket", "object"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "bad_request",
+			}), minio.ObjectNameInvalid{
+				Bucket: "bucket",
+				Object: "object",
+			},
+		},
+		{
+			[]string{"bucket"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "bad_bucket_id",
+			}), minio.BucketNotFound{Bucket: "bucket"},
+		},
+		{
+			[]string{"bucket", "object"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "file_not_present",
+			}), minio.ObjectNotFound{
+				Bucket: "bucket",
+				Object: "object",
+			},
+		},
+		{
+			[]string{"bucket", "object"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "not_found",
+			}), minio.ObjectNotFound{
+				Bucket: "bucket",
+				Object: "object",
+			},
+		},
+		{
+			[]string{"bucket"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Code:       "cannot_delete_non_empty_bucket",
+			}), minio.BucketNotEmpty{
+				Bucket: "bucket",
+			},
+		},
+		{
+			[]string{"bucket", "object", "uploadID"}, errors.Trace(b2.Error{
+				StatusCode: 1,
+				Message:    "No active upload for",
+			}), minio.InvalidUploadID{
+				UploadID: "uploadID",
+			},
+		},
+	}
+
+	for i, testCase := range testCases {
+		actualErr := b2ToObjectError(testCase.b2Err, testCase.params...)
+		if actualErr != nil {
+			if actualErr.Error() != testCase.expectedErr.Error() {
+				t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.expectedErr, actualErr)
+			}
+		}
+	}
+}