server: Move all the top level files into cmd folder. (#2490)

This change brings a change which was done for the 'mc'
package to allow for clean repo and have a cleaner
github drop in experience.

cmd/handler-utils_test.go

@@ -0,0 +1,108 @@
+/*
+ * Minio Cloud Storage, (C) 2015, 2016 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 cmd
+
+import (
+	"bytes"
+	"encoding/xml"
+	"io/ioutil"
+	"net/http"
+	"reflect"
+	"testing"
+)
+
+// Tests validate bucket LocationConstraint.
+func TestIsValidLocationContraint(t *testing.T) {
+	path, err := newTestConfig("us-east-1")
+	if err != nil {
+		t.Fatalf("unable initialize config file, %s", err)
+	}
+	defer removeAll(path)
+
+	// generates the input request with XML bucket configuration set to the request body.
+	createExpectedRequest := func(req *http.Request, location string) (*http.Request, error) {
+		createBucketConfig := createBucketLocationConfiguration{}
+		createBucketConfig.Location = location
+		var createBucketConfigBytes []byte
+		createBucketConfigBytes, e := xml.Marshal(createBucketConfig)
+		if e != nil {
+			return nil, e
+		}
+		createBucketConfigBuffer := bytes.NewBuffer(createBucketConfigBytes)
+		req.Body = ioutil.NopCloser(createBucketConfigBuffer)
+		req.ContentLength = int64(createBucketConfigBuffer.Len())
+		return req, nil
+	}
+
+	testCases := []struct {
+		locationForInputRequest string
+		serverConfigRegion      string
+		expectedCode            APIErrorCode
+	}{
+		// Test case - 1.
+		{"us-east-1", "us-east-1", ErrNone},
+		// Test case - 2.
+		// In case of empty request body ErrNone is returned.
+		{"", "us-east-1", ErrNone},
+		// Test case - 3.
+		{"eu-central-1", "us-east-1", ErrInvalidRegion},
+	}
+	for i, testCase := range testCases {
+		inputRequest, e := createExpectedRequest(&http.Request{}, testCase.locationForInputRequest)
+		if e != nil {
+			t.Fatalf("Test %d: Failed to Marshal bucket configuration", i+1)
+		}
+		serverConfig.SetRegion(testCase.serverConfigRegion)
+		actualCode := isValidLocationConstraint(inputRequest)
+		if testCase.expectedCode != actualCode {
+			t.Errorf("Test %d: Expected the APIErrCode to be %d, but instead found %d", i+1, testCase.expectedCode, actualCode)
+		}
+	}
+}
+
+// Tests validate metadata extraction from http headers.
+func TestExtractMetadataHeaders(t *testing.T) {
+	testCases := []struct {
+		header   http.Header
+		metadata map[string]string
+	}{
+		// Validate if there a known 'content-type'.
+		{
+			header: http.Header{
+				"Content-Type": []string{"image/png"},
+			},
+			metadata: map[string]string{
+				"content-type": "image/png",
+			},
+		},
+		// Validate if there are no keys to extract.
+		{
+			header: http.Header{
+				"test-1": []string{"123"},
+			},
+			metadata: map[string]string{},
+		},
+	}
+
+	// Validate if the extracting headers.
+	for i, testCase := range testCases {
+		metadata := extractMetadataFromHeader(testCase.header)
+		if !reflect.DeepEqual(metadata, testCase.metadata) {
+			t.Fatalf("Test %d failed: Expected \"%#v\", got \"%#v\"", i+1, testCase.metadata, metadata)
+		}
+	}
+}