tests: Added GetObject, DeleteObject and PutObject unit-tests (#2222)

faulty-disk_test.go

@@ -0,0 +1,115 @@
+/*
+ * Minio Cloud Storage, (C) 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 main
+
+// Simulates disk returning errFaultyDisk on all methods of StorageAPI
+// interface after successCount number of successes.
+type faultyDisk struct {
+	disk         *posix
+	successCount int
+}
+
+// instantiates a faulty
+func newFaultyDisk(disk *posix, n int) *faultyDisk {
+	return &faultyDisk{disk: disk, successCount: n}
+}
+
+func (f *faultyDisk) MakeVol(volume string) (err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.MakeVol(volume)
+	}
+	return errFaultyDisk
+}
+func (f *faultyDisk) ListVols() (vols []VolInfo, err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.ListVols()
+	}
+	return nil, errFaultyDisk
+}
+
+func (f *faultyDisk) StatVol(volume string) (volInfo VolInfo, err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.StatVol(volume)
+	}
+	return VolInfo{}, errFaultyDisk
+}
+func (f *faultyDisk) DeleteVol(volume string) (err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.DeleteVol(volume)
+	}
+	return errFaultyDisk
+}
+
+func (f *faultyDisk) ListDir(volume, path string) (entries []string, err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.ListDir(volume, path)
+	}
+	return []string{}, errFaultyDisk
+}
+
+func (f *faultyDisk) ReadFile(volume string, path string, offset int64, buf []byte) (n int64, err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.ReadFile(volume, path, offset, buf)
+	}
+	return 0, errFaultyDisk
+}
+
+func (f *faultyDisk) AppendFile(volume, path string, buf []byte) error {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.AppendFile(volume, path, buf)
+	}
+	return errFaultyDisk
+}
+
+func (f *faultyDisk) RenameFile(srcVolume, srcPath, dstVolume, dstPath string) error {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.RenameFile(srcVolume, srcPath, dstVolume, dstPath)
+	}
+	return errFaultyDisk
+}
+
+func (f *faultyDisk) StatFile(volume string, path string) (file FileInfo, err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.StatFile(volume, path)
+	}
+	return FileInfo{}, errFaultyDisk
+}
+
+func (f *faultyDisk) DeleteFile(volume string, path string) (err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.DeleteFile(volume, path)
+	}
+	return errFaultyDisk
+}
+
+func (f *faultyDisk) ReadAll(volume string, path string) (buf []byte, err error) {
+	if f.successCount > 0 {
+		f.successCount--
+		return f.disk.ReadAll(volume, path)
+	}
+	return nil, errFaultyDisk
+}