371 lines
11 KiB
Go
371 lines
11 KiB
Go
package testsuites
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import (
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"bytes"
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"io/ioutil"
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"math/rand"
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"path"
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"sort"
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"testing"
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"github.com/docker/docker-registry/storagedriver"
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"github.com/docker/docker-registry/storagedriver/ipc"
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. "gopkg.in/check.v1"
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)
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// Hook up gocheck into the "go test" runner
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func Test(t *testing.T) { TestingT(t) }
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// RegisterInProcessSuite registers an in-process storage driver test suite with the go test runner
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func RegisterInProcessSuite(driverConstructor DriverConstructor, skipCheck SkipCheck) {
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Suite(&DriverSuite{
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Constructor: driverConstructor,
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SkipCheck: skipCheck,
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})
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}
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// RegisterIPCSuite registers a storage driver test suite which runs the named driver as a child
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// process with the given parameters
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func RegisterIPCSuite(driverName string, ipcParams map[string]string, skipCheck SkipCheck) {
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suite := &DriverSuite{
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Constructor: func() (storagedriver.StorageDriver, error) {
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d, err := ipc.NewDriverClient(driverName, ipcParams)
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if err != nil {
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return nil, err
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}
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err = d.Start()
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if err != nil {
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return nil, err
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}
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return d, nil
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},
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SkipCheck: skipCheck,
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}
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suite.Teardown = func() error {
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if suite.StorageDriver == nil {
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return nil
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}
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driverClient := suite.StorageDriver.(*ipc.StorageDriverClient)
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return driverClient.Stop()
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}
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Suite(suite)
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}
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// SkipCheck is a function used to determine if a test suite should be skipped
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// If a SkipCheck returns a non-empty skip reason, the suite is skipped with the given reason
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type SkipCheck func() (reason string)
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// NeverSkip is a default SkipCheck which never skips the suite
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var NeverSkip SkipCheck = func() string { return "" }
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// DriverConstructor is a function which returns a new storagedriver.StorageDriver
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type DriverConstructor func() (storagedriver.StorageDriver, error)
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// DriverTeardown is a function which cleans up a suite's storagedriver.StorageDriver
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type DriverTeardown func() error
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// DriverSuite is a gocheck test suite designed to test a storagedriver.StorageDriver
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// The intended way to create a DriverSuite is with RegisterInProcessSuite or RegisterIPCSuite
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type DriverSuite struct {
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Constructor DriverConstructor
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Teardown DriverTeardown
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SkipCheck
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storagedriver.StorageDriver
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}
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func (suite *DriverSuite) SetUpSuite(c *C) {
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if reason := suite.SkipCheck(); reason != "" {
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c.Skip(reason)
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}
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d, err := suite.Constructor()
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c.Assert(err, IsNil)
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suite.StorageDriver = d
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}
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func (suite *DriverSuite) TearDownSuite(c *C) {
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if suite.Teardown != nil {
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err := suite.Teardown()
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c.Assert(err, IsNil)
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}
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}
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func (suite *DriverSuite) TestWriteRead1(c *C) {
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filename := randomString(32)
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contents := []byte("a")
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suite.writeReadCompare(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestWriteRead2(c *C) {
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filename := randomString(32)
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contents := []byte("\xc3\x9f")
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suite.writeReadCompare(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestWriteRead3(c *C) {
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filename := randomString(32)
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contents := []byte(randomString(32))
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suite.writeReadCompare(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestWriteRead4(c *C) {
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filename := randomString(32)
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contents := []byte(randomString(1024 * 1024))
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suite.writeReadCompare(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestReadNonexistent(c *C) {
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filename := randomString(32)
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_, err := suite.StorageDriver.GetContent(filename)
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) TestWriteReadStreams1(c *C) {
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filename := randomString(32)
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contents := []byte("a")
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suite.writeReadCompareStreams(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestWriteReadStreams2(c *C) {
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filename := randomString(32)
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contents := []byte("\xc3\x9f")
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suite.writeReadCompareStreams(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestWriteReadStreams3(c *C) {
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filename := randomString(32)
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contents := []byte(randomString(32))
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suite.writeReadCompareStreams(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestWriteReadStreams4(c *C) {
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filename := randomString(32)
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contents := []byte(randomString(1024 * 1024))
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suite.writeReadCompareStreams(c, filename, contents, contents)
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}
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func (suite *DriverSuite) TestContinueStreamAppend(c *C) {
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filename := randomString(32)
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defer suite.StorageDriver.Delete(filename)
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chunkSize := uint64(10 * 1024 * 1024)
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contentsChunk1 := []byte(randomString(chunkSize))
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contentsChunk2 := []byte(randomString(chunkSize))
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contentsChunk3 := []byte(randomString(chunkSize))
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fullContents := append(append(contentsChunk1, contentsChunk2...), contentsChunk3...)
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err := suite.StorageDriver.WriteStream(filename, 0, 3*chunkSize, ioutil.NopCloser(bytes.NewReader(contentsChunk1)))
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c.Assert(err, IsNil)
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offset, err := suite.StorageDriver.CurrentSize(filename)
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c.Assert(err, IsNil)
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if offset > chunkSize {
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c.Fatalf("Offset too large, %d > %d", offset, chunkSize)
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}
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err = suite.StorageDriver.WriteStream(filename, offset, 3*chunkSize, ioutil.NopCloser(bytes.NewReader(fullContents[offset:2*chunkSize])))
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c.Assert(err, IsNil)
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offset, err = suite.StorageDriver.CurrentSize(filename)
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c.Assert(err, IsNil)
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if offset > 2*chunkSize {
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c.Fatalf("Offset too large, %d > %d", offset, 2*chunkSize)
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}
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err = suite.StorageDriver.WriteStream(filename, offset, 3*chunkSize, ioutil.NopCloser(bytes.NewReader(fullContents[offset:])))
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c.Assert(err, IsNil)
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received, err := suite.StorageDriver.GetContent(filename)
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c.Assert(err, IsNil)
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c.Assert(received, DeepEquals, fullContents)
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}
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func (suite *DriverSuite) TestReadStreamWithOffset(c *C) {
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filename := randomString(32)
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defer suite.StorageDriver.Delete(filename)
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chunkSize := uint64(32)
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contentsChunk1 := []byte(randomString(chunkSize))
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contentsChunk2 := []byte(randomString(chunkSize))
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contentsChunk3 := []byte(randomString(chunkSize))
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err := suite.StorageDriver.PutContent(filename, append(append(contentsChunk1, contentsChunk2...), contentsChunk3...))
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c.Assert(err, IsNil)
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reader, err := suite.StorageDriver.ReadStream(filename, 0)
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c.Assert(err, IsNil)
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defer reader.Close()
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readContents, err := ioutil.ReadAll(reader)
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c.Assert(err, IsNil)
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c.Assert(readContents, DeepEquals, append(append(contentsChunk1, contentsChunk2...), contentsChunk3...))
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reader, err = suite.StorageDriver.ReadStream(filename, chunkSize)
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c.Assert(err, IsNil)
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defer reader.Close()
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readContents, err = ioutil.ReadAll(reader)
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c.Assert(err, IsNil)
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c.Assert(readContents, DeepEquals, append(contentsChunk2, contentsChunk3...))
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reader, err = suite.StorageDriver.ReadStream(filename, chunkSize*2)
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c.Assert(err, IsNil)
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defer reader.Close()
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readContents, err = ioutil.ReadAll(reader)
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c.Assert(err, IsNil)
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c.Assert(readContents, DeepEquals, contentsChunk3)
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}
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func (suite *DriverSuite) TestReadNonexistentStream(c *C) {
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filename := randomString(32)
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_, err := suite.StorageDriver.ReadStream(filename, 0)
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) TestList(c *C) {
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rootDirectory := randomString(uint64(8 + rand.Intn(8)))
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defer suite.StorageDriver.Delete(rootDirectory)
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parentDirectory := rootDirectory + "/" + randomString(uint64(8+rand.Intn(8)))
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childFiles := make([]string, 50)
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for i := 0; i < len(childFiles); i++ {
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childFile := parentDirectory + "/" + randomString(uint64(8+rand.Intn(8)))
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childFiles[i] = childFile
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err := suite.StorageDriver.PutContent(childFile, []byte(randomString(32)))
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c.Assert(err, IsNil)
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}
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sort.Strings(childFiles)
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keys, err := suite.StorageDriver.List(rootDirectory)
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c.Assert(err, IsNil)
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c.Assert(keys, DeepEquals, []string{parentDirectory})
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keys, err = suite.StorageDriver.List(parentDirectory)
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c.Assert(err, IsNil)
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sort.Strings(keys)
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c.Assert(keys, DeepEquals, childFiles)
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}
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func (suite *DriverSuite) TestMove(c *C) {
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contents := []byte(randomString(32))
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sourcePath := randomString(32)
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destPath := randomString(32)
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defer suite.StorageDriver.Delete(sourcePath)
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defer suite.StorageDriver.Delete(destPath)
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err := suite.StorageDriver.PutContent(sourcePath, contents)
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c.Assert(err, IsNil)
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err = suite.StorageDriver.Move(sourcePath, destPath)
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c.Assert(err, IsNil)
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received, err := suite.StorageDriver.GetContent(destPath)
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c.Assert(err, IsNil)
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c.Assert(received, DeepEquals, contents)
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_, err = suite.StorageDriver.GetContent(sourcePath)
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) TestMoveNonexistent(c *C) {
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sourcePath := randomString(32)
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destPath := randomString(32)
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err := suite.StorageDriver.Move(sourcePath, destPath)
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) TestRemove(c *C) {
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filename := randomString(32)
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contents := []byte(randomString(32))
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defer suite.StorageDriver.Delete(filename)
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err := suite.StorageDriver.PutContent(filename, contents)
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c.Assert(err, IsNil)
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err = suite.StorageDriver.Delete(filename)
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c.Assert(err, IsNil)
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_, err = suite.StorageDriver.GetContent(filename)
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) TestRemoveNonexistent(c *C) {
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filename := randomString(32)
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err := suite.StorageDriver.Delete(filename)
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) TestRemoveFolder(c *C) {
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dirname := randomString(32)
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filename1 := randomString(32)
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filename2 := randomString(32)
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contents := []byte(randomString(32))
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defer suite.StorageDriver.Delete(path.Join(dirname, filename1))
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defer suite.StorageDriver.Delete(path.Join(dirname, filename2))
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err := suite.StorageDriver.PutContent(path.Join(dirname, filename1), contents)
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c.Assert(err, IsNil)
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err = suite.StorageDriver.PutContent(path.Join(dirname, filename2), contents)
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c.Assert(err, IsNil)
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err = suite.StorageDriver.Delete(dirname)
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c.Assert(err, IsNil)
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_, err = suite.StorageDriver.GetContent(path.Join(dirname, filename1))
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c.Assert(err, NotNil)
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_, err = suite.StorageDriver.GetContent(path.Join(dirname, filename2))
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c.Assert(err, NotNil)
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}
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func (suite *DriverSuite) writeReadCompare(c *C, filename string, contents, expected []byte) {
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defer suite.StorageDriver.Delete(filename)
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err := suite.StorageDriver.PutContent(filename, contents)
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c.Assert(err, IsNil)
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readContents, err := suite.StorageDriver.GetContent(filename)
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c.Assert(err, IsNil)
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c.Assert(readContents, DeepEquals, contents)
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}
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func (suite *DriverSuite) writeReadCompareStreams(c *C, filename string, contents, expected []byte) {
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defer suite.StorageDriver.Delete(filename)
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err := suite.StorageDriver.WriteStream(filename, 0, uint64(len(contents)), ioutil.NopCloser(bytes.NewReader(contents)))
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c.Assert(err, IsNil)
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reader, err := suite.StorageDriver.ReadStream(filename, 0)
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c.Assert(err, IsNil)
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defer reader.Close()
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readContents, err := ioutil.ReadAll(reader)
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c.Assert(err, IsNil)
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c.Assert(readContents, DeepEquals, contents)
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}
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var pathChars = []byte("abcdefghijklmnopqrstuvwxyz")
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func randomString(length uint64) string {
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b := make([]byte, length)
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for i := range b {
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b[i] = pathChars[rand.Intn(len(pathChars))]
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}
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return string(b)
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}
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