+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
import (
"bytes"
+ "context"
"crypto/md5"
"fmt"
"os"
"regexp"
"sort"
+ "strconv"
"strings"
- "testing"
"time"
+
+ "git.curoverse.com/arvados.git/sdk/go/arvados"
+ "git.curoverse.com/arvados.git/sdk/go/arvadostest"
)
+type TB interface {
+ Error(args ...interface{})
+ Errorf(format string, args ...interface{})
+ Fail()
+ FailNow()
+ Failed() bool
+ Fatal(args ...interface{})
+ Fatalf(format string, args ...interface{})
+ Log(args ...interface{})
+ Logf(format string, args ...interface{})
+}
+
// A TestableVolumeFactory returns a new TestableVolume. The factory
// function, and the TestableVolume it returns, can use "t" to write
// logs, fail the current test, etc.
-type TestableVolumeFactory func(t *testing.T) TestableVolume
+type TestableVolumeFactory func(t TB) TestableVolume
// DoGenericVolumeTests runs a set of tests that every TestableVolume
// is expected to pass. It calls factory to create a new TestableVolume
// for each test case, to avoid leaking state between tests.
-func DoGenericVolumeTests(t *testing.T, factory TestableVolumeFactory) {
+func DoGenericVolumeTests(t TB, factory TestableVolumeFactory) {
testGet(t, factory)
testGetNoSuchBlock(t, factory)
testPutBlockWithSameContent(t, factory, TestHash, TestBlock)
testPutBlockWithSameContent(t, factory, EmptyHash, EmptyBlock)
- testPutBlockWithDifferentContent(t, factory, TestHash, TestBlock, TestBlock2)
- testPutBlockWithDifferentContent(t, factory, TestHash, EmptyBlock, TestBlock)
- testPutBlockWithDifferentContent(t, factory, TestHash, TestBlock, EmptyBlock)
- testPutBlockWithDifferentContent(t, factory, EmptyHash, EmptyBlock, TestBlock)
+ testPutBlockWithDifferentContent(t, factory, arvadostest.MD5CollisionMD5, arvadostest.MD5CollisionData[0], arvadostest.MD5CollisionData[1])
+ testPutBlockWithDifferentContent(t, factory, arvadostest.MD5CollisionMD5, EmptyBlock, arvadostest.MD5CollisionData[0])
+ testPutBlockWithDifferentContent(t, factory, arvadostest.MD5CollisionMD5, arvadostest.MD5CollisionData[0], EmptyBlock)
+ testPutBlockWithDifferentContent(t, factory, EmptyHash, EmptyBlock, arvadostest.MD5CollisionData[0])
testPutMultipleBlocks(t, factory)
testPutAndTouch(t, factory)
testPutConcurrent(t, factory)
testPutFullBlock(t, factory)
+
+ testTrashUntrash(t, factory)
+ testTrashEmptyTrashUntrash(t, factory)
}
// Put a test block, get it and verify content
// Test should pass for both writable and read-only volumes
-func testGet(t *testing.T, factory TestableVolumeFactory) {
+func testGet(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
v.PutRaw(TestHash, TestBlock)
- buf, err := v.Get(TestHash)
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, buf)
if err != nil {
t.Fatal(err)
}
- bufs.Put(buf)
-
- if bytes.Compare(buf, TestBlock) != 0 {
+ if bytes.Compare(buf[:n], TestBlock) != 0 {
t.Errorf("expected %s, got %s", string(TestBlock), string(buf))
}
}
// Invoke get on a block that does not exist in volume; should result in error
// Test should pass for both writable and read-only volumes
-func testGetNoSuchBlock(t *testing.T, factory TestableVolumeFactory) {
+func testGetNoSuchBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
- if _, err := v.Get(TestHash2); err == nil {
+ buf := make([]byte, BlockSize)
+ if _, err := v.Get(context.Background(), TestHash2, buf); err == nil {
t.Errorf("Expected error while getting non-existing block %v", TestHash2)
}
}
// Compare() should return os.ErrNotExist if the block does not exist.
// Otherwise, writing new data causes CompareAndTouch() to generate
// error logs even though everything is working fine.
-func testCompareNonexistent(t *testing.T, factory TestableVolumeFactory) {
+func testCompareNonexistent(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
- err := v.Compare(TestHash, TestBlock)
+ err := v.Compare(context.Background(), TestHash, TestBlock)
if err != os.ErrNotExist {
t.Errorf("Got err %T %q, expected os.ErrNotExist", err, err)
}
// Put a test block and compare the locator with same content
// Test should pass for both writable and read-only volumes
-func testCompareSameContent(t *testing.T, factory TestableVolumeFactory, testHash string, testData []byte) {
+func testCompareSameContent(t TB, factory TestableVolumeFactory, testHash string, testData []byte) {
v := factory(t)
defer v.Teardown()
v.PutRaw(testHash, testData)
// Compare the block locator with same content
- err := v.Compare(testHash, testData)
+ err := v.Compare(context.Background(), testHash, testData)
if err != nil {
t.Errorf("Got err %q, expected nil", err)
}
// testHash = md5(testDataA).
//
// Test should pass for both writable and read-only volumes
-func testCompareWithCollision(t *testing.T, factory TestableVolumeFactory, testHash string, testDataA, testDataB []byte) {
+func testCompareWithCollision(t TB, factory TestableVolumeFactory, testHash string, testDataA, testDataB []byte) {
v := factory(t)
defer v.Teardown()
v.PutRaw(testHash, testDataA)
// Compare the block locator with different content; collision
- err := v.Compare(TestHash, testDataB)
+ err := v.Compare(context.Background(), TestHash, testDataB)
if err == nil {
t.Errorf("Got err nil, expected error due to collision")
}
// corrupted. Requires testHash = md5(testDataA) != md5(testDataB).
//
// Test should pass for both writable and read-only volumes
-func testCompareWithCorruptStoredData(t *testing.T, factory TestableVolumeFactory, testHash string, testDataA, testDataB []byte) {
+func testCompareWithCorruptStoredData(t TB, factory TestableVolumeFactory, testHash string, testDataA, testDataB []byte) {
v := factory(t)
defer v.Teardown()
v.PutRaw(TestHash, testDataB)
- err := v.Compare(testHash, testDataA)
+ err := v.Compare(context.Background(), testHash, testDataA)
if err == nil || err == CollisionError {
t.Errorf("Got err %+v, expected non-collision error", err)
}
// Put a block and put again with same content
// Test is intended for only writable volumes
-func testPutBlockWithSameContent(t *testing.T, factory TestableVolumeFactory, testHash string, testData []byte) {
+func testPutBlockWithSameContent(t TB, factory TestableVolumeFactory, testHash string, testData []byte) {
v := factory(t)
defer v.Teardown()
return
}
- err := v.Put(testHash, testData)
+ err := v.Put(context.Background(), testHash, testData)
if err != nil {
t.Errorf("Got err putting block %q: %q, expected nil", TestBlock, err)
}
- err = v.Put(testHash, testData)
+ err = v.Put(context.Background(), testHash, testData)
if err != nil {
t.Errorf("Got err putting block second time %q: %q, expected nil", TestBlock, err)
}
// Put a block and put again with different content
// Test is intended for only writable volumes
-func testPutBlockWithDifferentContent(t *testing.T, factory TestableVolumeFactory, testHash string, testDataA, testDataB []byte) {
+func testPutBlockWithDifferentContent(t TB, factory TestableVolumeFactory, testHash string, testDataA, testDataB []byte) {
v := factory(t)
defer v.Teardown()
return
}
- err := v.Put(testHash, testDataA)
- if err != nil {
- t.Errorf("Got err putting block %q: %q, expected nil", testDataA, err)
- }
+ v.PutRaw(testHash, testDataA)
- putErr := v.Put(testHash, testDataB)
- buf, getErr := v.Get(testHash)
+ putErr := v.Put(context.Background(), testHash, testDataB)
+ buf := make([]byte, BlockSize)
+ n, getErr := v.Get(context.Background(), testHash, buf)
if putErr == nil {
// Put must not return a nil error unless it has
// overwritten the existing data.
- if bytes.Compare(buf, testDataB) != 0 {
- t.Errorf("Put succeeded but Get returned %+q, expected %+q", buf, testDataB)
+ if bytes.Compare(buf[:n], testDataB) != 0 {
+ t.Errorf("Put succeeded but Get returned %+q, expected %+q", buf[:n], testDataB)
}
} else {
// It is permissible for Put to fail, but it must
// leave us with either the original data, the new
// data, or nothing at all.
- if getErr == nil && bytes.Compare(buf, testDataA) != 0 && bytes.Compare(buf, testDataB) != 0 {
- t.Errorf("Put failed but Get returned %+q, which is neither %+q nor %+q", buf, testDataA, testDataB)
+ if getErr == nil && bytes.Compare(buf[:n], testDataA) != 0 && bytes.Compare(buf[:n], testDataB) != 0 {
+ t.Errorf("Put failed but Get returned %+q, which is neither %+q nor %+q", buf[:n], testDataA, testDataB)
}
}
- if getErr == nil {
- bufs.Put(buf)
- }
}
// Put and get multiple blocks
// Test is intended for only writable volumes
-func testPutMultipleBlocks(t *testing.T, factory TestableVolumeFactory) {
+func testPutMultipleBlocks(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
return
}
- err := v.Put(TestHash, TestBlock)
+ err := v.Put(context.Background(), TestHash, TestBlock)
if err != nil {
t.Errorf("Got err putting block %q: %q, expected nil", TestBlock, err)
}
- err = v.Put(TestHash2, TestBlock2)
+ err = v.Put(context.Background(), TestHash2, TestBlock2)
if err != nil {
t.Errorf("Got err putting block %q: %q, expected nil", TestBlock2, err)
}
- err = v.Put(TestHash3, TestBlock3)
+ err = v.Put(context.Background(), TestHash3, TestBlock3)
if err != nil {
t.Errorf("Got err putting block %q: %q, expected nil", TestBlock3, err)
}
- data, err := v.Get(TestHash)
+ data := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, data)
if err != nil {
t.Error(err)
} else {
- if bytes.Compare(data, TestBlock) != 0 {
- t.Errorf("Block present, but got %+q, expected %+q", data, TestBlock)
+ if bytes.Compare(data[:n], TestBlock) != 0 {
+ t.Errorf("Block present, but got %+q, expected %+q", data[:n], TestBlock)
}
- bufs.Put(data)
}
- data, err = v.Get(TestHash2)
+ n, err = v.Get(context.Background(), TestHash2, data)
if err != nil {
t.Error(err)
} else {
- if bytes.Compare(data, TestBlock2) != 0 {
- t.Errorf("Block present, but got %+q, expected %+q", data, TestBlock2)
+ if bytes.Compare(data[:n], TestBlock2) != 0 {
+ t.Errorf("Block present, but got %+q, expected %+q", data[:n], TestBlock2)
}
- bufs.Put(data)
}
- data, err = v.Get(TestHash3)
+ n, err = v.Get(context.Background(), TestHash3, data)
if err != nil {
t.Error(err)
} else {
- if bytes.Compare(data, TestBlock3) != 0 {
- t.Errorf("Block present, but to %+q, expected %+q", data, TestBlock3)
+ if bytes.Compare(data[:n], TestBlock3) != 0 {
+ t.Errorf("Block present, but to %+q, expected %+q", data[:n], TestBlock3)
}
- bufs.Put(data)
}
}
// Test that when applying PUT to a block that already exists,
// the block's modification time is updated.
// Test is intended for only writable volumes
-func testPutAndTouch(t *testing.T, factory TestableVolumeFactory) {
+func testPutAndTouch(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
return
}
- if err := v.Put(TestHash, TestBlock); err != nil {
+ if err := v.Put(context.Background(), TestHash, TestBlock); err != nil {
t.Error(err)
}
}
// Write the same block again.
- if err := v.Put(TestHash, TestBlock); err != nil {
+ if err := v.Put(context.Background(), TestHash, TestBlock); err != nil {
t.Error(err)
}
// Touching a non-existing block should result in error.
// Test should pass for both writable and read-only volumes
-func testTouchNoSuchBlock(t *testing.T, factory TestableVolumeFactory) {
+func testTouchNoSuchBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
// Invoking Mtime on a non-existing block should result in error.
// Test should pass for both writable and read-only volumes
-func testMtimeNoSuchBlock(t *testing.T, factory TestableVolumeFactory) {
+func testMtimeNoSuchBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
// * with a prefix
// * with no such prefix
// Test should pass for both writable and read-only volumes
-func testIndexTo(t *testing.T, factory TestableVolumeFactory) {
+func testIndexTo(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
+ // minMtime and maxMtime are the minimum and maximum
+ // acceptable values the index can report for our test
+ // blocks. 1-second precision is acceptable.
+ minMtime := time.Now().UTC().UnixNano()
+ minMtime -= minMtime % 1e9
+
v.PutRaw(TestHash, TestBlock)
v.PutRaw(TestHash2, TestBlock2)
v.PutRaw(TestHash3, TestBlock3)
+ maxMtime := time.Now().UTC().UnixNano()
+ if maxMtime%1e9 > 0 {
+ maxMtime -= maxMtime % 1e9
+ maxMtime += 1e9
+ }
+
// Blocks whose names aren't Keep hashes should be omitted from
// index
v.PutRaw("fffffffffnotreallyahashfffffffff", nil)
indexRows := strings.Split(string(buf.Bytes()), "\n")
sort.Strings(indexRows)
sortedIndex := strings.Join(indexRows, "\n")
- m, err := regexp.MatchString(
- `^\n`+TestHash+`\+\d+ \d+\n`+
- TestHash3+`\+\d+ \d+\n`+
- TestHash2+`\+\d+ \d+$`,
- sortedIndex)
- if err != nil {
- t.Error(err)
- } else if !m {
+ m := regexp.MustCompile(
+ `^\n` + TestHash + `\+\d+ (\d+)\n` +
+ TestHash3 + `\+\d+ \d+\n` +
+ TestHash2 + `\+\d+ \d+$`,
+ ).FindStringSubmatch(sortedIndex)
+ if m == nil {
t.Errorf("Got index %q for empty prefix", sortedIndex)
+ } else {
+ mtime, err := strconv.ParseInt(m[1], 10, 64)
+ if err != nil {
+ t.Error(err)
+ } else if mtime < minMtime || mtime > maxMtime {
+ t.Errorf("got %d for TestHash timestamp, expected %d <= t <= %d",
+ mtime, minMtime, maxMtime)
+ }
}
for _, prefix := range []string{"f", "f15", "f15ac"} {
for _, prefix := range []string{"zero", "zip", "zilch"} {
buf = new(bytes.Buffer)
- v.IndexTo(prefix, buf)
+ err := v.IndexTo(prefix, buf)
if err != nil {
t.Errorf("Got error on IndexTo with no such prefix %v", err.Error())
} else if buf.Len() != 0 {
// Calling Delete() for a block immediately after writing it (not old enough)
// should neither delete the data nor return an error.
// Test is intended for only writable volumes
-func testDeleteNewBlock(t *testing.T, factory TestableVolumeFactory) {
+func testDeleteNewBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
- blobSignatureTTL = 300 * time.Second
+ theConfig.BlobSignatureTTL.Set("5m")
if v.Writable() == false {
return
}
- v.Put(TestHash, TestBlock)
+ v.Put(context.Background(), TestHash, TestBlock)
- if err := v.Delete(TestHash); err != nil {
+ if err := v.Trash(TestHash); err != nil {
t.Error(err)
}
- data, err := v.Get(TestHash)
+ data := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, data)
if err != nil {
t.Error(err)
- } else {
- if bytes.Compare(data, TestBlock) != 0 {
- t.Errorf("Got data %+q, expected %+q", data, TestBlock)
- }
- bufs.Put(data)
+ } else if bytes.Compare(data[:n], TestBlock) != 0 {
+ t.Errorf("Got data %+q, expected %+q", data[:n], TestBlock)
}
}
// Calling Delete() for a block with a timestamp older than
-// blobSignatureTTL seconds in the past should delete the data.
+// BlobSignatureTTL seconds in the past should delete the data.
// Test is intended for only writable volumes
-func testDeleteOldBlock(t *testing.T, factory TestableVolumeFactory) {
+func testDeleteOldBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
- blobSignatureTTL = 300 * time.Second
+ theConfig.BlobSignatureTTL.Set("5m")
if v.Writable() == false {
return
}
- v.Put(TestHash, TestBlock)
- v.TouchWithDate(TestHash, time.Now().Add(-2*blobSignatureTTL))
+ v.Put(context.Background(), TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
- if err := v.Delete(TestHash); err != nil {
+ if err := v.Trash(TestHash); err != nil {
t.Error(err)
}
- if _, err := v.Get(TestHash); err == nil || !os.IsNotExist(err) {
+ data := make([]byte, BlockSize)
+ if _, err := v.Get(context.Background(), TestHash, data); err == nil || !os.IsNotExist(err) {
t.Errorf("os.IsNotExist(%v) should have been true", err)
}
+
+ _, err := v.Mtime(TestHash)
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ err = v.Compare(context.Background(), TestHash, TestBlock)
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ indexBuf := new(bytes.Buffer)
+ v.IndexTo("", indexBuf)
+ if strings.Contains(string(indexBuf.Bytes()), TestHash) {
+ t.Fatalf("Found trashed block in IndexTo")
+ }
+
+ err = v.Touch(TestHash)
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
}
// Calling Delete() for a block that does not exist should result in error.
// Test should pass for both writable and read-only volumes
-func testDeleteNoSuchBlock(t *testing.T, factory TestableVolumeFactory) {
+func testDeleteNoSuchBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
- if err := v.Delete(TestHash2); err == nil {
+ if err := v.Trash(TestHash2); err == nil {
t.Errorf("Expected error when attempting to delete a non-existing block")
}
}
// Invoke Status and verify that VolumeStatus is returned
// Test should pass for both writable and read-only volumes
-func testStatus(t *testing.T, factory TestableVolumeFactory) {
+func testStatus(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
// Invoke String for the volume; expect non-empty result
// Test should pass for both writable and read-only volumes
-func testString(t *testing.T, factory TestableVolumeFactory) {
+func testString(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
// Putting, updating, touching, and deleting blocks from a read-only volume result in error.
// Test is intended for only read-only volumes
-func testUpdateReadOnly(t *testing.T, factory TestableVolumeFactory) {
+func testUpdateReadOnly(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
}
v.PutRaw(TestHash, TestBlock)
+ buf := make([]byte, BlockSize)
// Get from read-only volume should succeed
- _, err := v.Get(TestHash)
+ _, err := v.Get(context.Background(), TestHash, buf)
if err != nil {
t.Errorf("got err %v, expected nil", err)
}
// Put a new block to read-only volume should result in error
- err = v.Put(TestHash2, TestBlock2)
+ err = v.Put(context.Background(), TestHash2, TestBlock2)
if err == nil {
t.Errorf("Expected error when putting block in a read-only volume")
}
- _, err = v.Get(TestHash2)
+ _, err = v.Get(context.Background(), TestHash2, buf)
if err == nil {
t.Errorf("Expected error when getting block whose put in read-only volume failed")
}
}
// Delete a block from a read-only volume should result in error
- err = v.Delete(TestHash)
+ err = v.Trash(TestHash)
if err == nil {
t.Errorf("Expected error when deleting block from a read-only volume")
}
// Overwriting an existing block in read-only volume should result in error
- err = v.Put(TestHash, TestBlock)
+ err = v.Put(context.Background(), TestHash, TestBlock)
if err == nil {
t.Errorf("Expected error when putting block in a read-only volume")
}
// Launch concurrent Gets
// Test should pass for both writable and read-only volumes
-func testGetConcurrent(t *testing.T, factory TestableVolumeFactory) {
+func testGetConcurrent(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
v.PutRaw(TestHash3, TestBlock3)
sem := make(chan int)
- go func(sem chan int) {
- buf, err := v.Get(TestHash)
+ go func() {
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, buf)
if err != nil {
t.Errorf("err1: %v", err)
}
- bufs.Put(buf)
- if bytes.Compare(buf, TestBlock) != 0 {
- t.Errorf("buf should be %s, is %s", string(TestBlock), string(buf))
+ if bytes.Compare(buf[:n], TestBlock) != 0 {
+ t.Errorf("buf should be %s, is %s", string(TestBlock), string(buf[:n]))
}
sem <- 1
- }(sem)
+ }()
- go func(sem chan int) {
- buf, err := v.Get(TestHash2)
+ go func() {
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash2, buf)
if err != nil {
t.Errorf("err2: %v", err)
}
- bufs.Put(buf)
- if bytes.Compare(buf, TestBlock2) != 0 {
- t.Errorf("buf should be %s, is %s", string(TestBlock2), string(buf))
+ if bytes.Compare(buf[:n], TestBlock2) != 0 {
+ t.Errorf("buf should be %s, is %s", string(TestBlock2), string(buf[:n]))
}
sem <- 1
- }(sem)
+ }()
- go func(sem chan int) {
- buf, err := v.Get(TestHash3)
+ go func() {
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash3, buf)
if err != nil {
t.Errorf("err3: %v", err)
}
- bufs.Put(buf)
- if bytes.Compare(buf, TestBlock3) != 0 {
- t.Errorf("buf should be %s, is %s", string(TestBlock3), string(buf))
+ if bytes.Compare(buf[:n], TestBlock3) != 0 {
+ t.Errorf("buf should be %s, is %s", string(TestBlock3), string(buf[:n]))
}
sem <- 1
- }(sem)
+ }()
// Wait for all goroutines to finish
- for done := 0; done < 3; {
- done += <-sem
+ for done := 0; done < 3; done++ {
+ <-sem
}
}
// Launch concurrent Puts
// Test is intended for only writable volumes
-func testPutConcurrent(t *testing.T, factory TestableVolumeFactory) {
+func testPutConcurrent(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
sem := make(chan int)
go func(sem chan int) {
- err := v.Put(TestHash, TestBlock)
+ err := v.Put(context.Background(), TestHash, TestBlock)
if err != nil {
t.Errorf("err1: %v", err)
}
}(sem)
go func(sem chan int) {
- err := v.Put(TestHash2, TestBlock2)
+ err := v.Put(context.Background(), TestHash2, TestBlock2)
if err != nil {
t.Errorf("err2: %v", err)
}
}(sem)
go func(sem chan int) {
- err := v.Put(TestHash3, TestBlock3)
+ err := v.Put(context.Background(), TestHash3, TestBlock3)
if err != nil {
t.Errorf("err3: %v", err)
}
}(sem)
// Wait for all goroutines to finish
- for done := 0; done < 3; {
- done += <-sem
+ for done := 0; done < 3; done++ {
+ <-sem
}
// Double check that we actually wrote the blocks we expected to write.
- buf, err := v.Get(TestHash)
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, buf)
if err != nil {
t.Errorf("Get #1: %v", err)
}
- bufs.Put(buf)
- if bytes.Compare(buf, TestBlock) != 0 {
- t.Errorf("Get #1: expected %s, got %s", string(TestBlock), string(buf))
+ if bytes.Compare(buf[:n], TestBlock) != 0 {
+ t.Errorf("Get #1: expected %s, got %s", string(TestBlock), string(buf[:n]))
}
- buf, err = v.Get(TestHash2)
+ n, err = v.Get(context.Background(), TestHash2, buf)
if err != nil {
t.Errorf("Get #2: %v", err)
}
- bufs.Put(buf)
- if bytes.Compare(buf, TestBlock2) != 0 {
- t.Errorf("Get #2: expected %s, got %s", string(TestBlock2), string(buf))
+ if bytes.Compare(buf[:n], TestBlock2) != 0 {
+ t.Errorf("Get #2: expected %s, got %s", string(TestBlock2), string(buf[:n]))
}
- buf, err = v.Get(TestHash3)
+ n, err = v.Get(context.Background(), TestHash3, buf)
if err != nil {
t.Errorf("Get #3: %v", err)
}
- bufs.Put(buf)
- if bytes.Compare(buf, TestBlock3) != 0 {
- t.Errorf("Get #3: expected %s, got %s", string(TestBlock3), string(buf))
+ if bytes.Compare(buf[:n], TestBlock3) != 0 {
+ t.Errorf("Get #3: expected %s, got %s", string(TestBlock3), string(buf[:n]))
}
}
// Write and read back a full size block
-func testPutFullBlock(t *testing.T, factory TestableVolumeFactory) {
+func testPutFullBlock(t TB, factory TestableVolumeFactory) {
v := factory(t)
defer v.Teardown()
wdata[0] = 'a'
wdata[BlockSize-1] = 'z'
hash := fmt.Sprintf("%x", md5.Sum(wdata))
- err := v.Put(hash, wdata)
+ err := v.Put(context.Background(), hash, wdata)
if err != nil {
t.Fatal(err)
}
- rdata, err := v.Get(hash)
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), hash, buf)
if err != nil {
t.Error(err)
+ }
+ if bytes.Compare(buf[:n], wdata) != 0 {
+ t.Error("buf %+q != wdata %+q", buf[:n], wdata)
+ }
+}
+
+// With TrashLifetime != 0, perform:
+// Trash an old block - which either raises ErrNotImplemented or succeeds
+// Untrash - which either raises ErrNotImplemented or succeeds
+// Get - which must succeed
+func testTrashUntrash(t TB, factory TestableVolumeFactory) {
+ v := factory(t)
+ defer v.Teardown()
+ defer func() {
+ theConfig.TrashLifetime = 0
+ }()
+
+ theConfig.TrashLifetime.Set("1h")
+
+ // put block and backdate it
+ v.PutRaw(TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, buf)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if bytes.Compare(buf[:n], TestBlock) != 0 {
+ t.Errorf("Got data %+q, expected %+q", buf[:n], TestBlock)
+ }
+
+ // Trash
+ err = v.Trash(TestHash)
+ if v.Writable() == false {
+ if err != MethodDisabledError {
+ t.Fatal(err)
+ }
+ } else if err != nil {
+ if err != ErrNotImplemented {
+ t.Fatal(err)
+ }
} else {
- defer bufs.Put(rdata)
+ _, err = v.Get(context.Background(), TestHash, buf)
+ if err == nil || !os.IsNotExist(err) {
+ t.Errorf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ // Untrash
+ err = v.Untrash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+ }
+
+ // Get the block - after trash and untrash sequence
+ n, err = v.Get(context.Background(), TestHash, buf)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if bytes.Compare(buf[:n], TestBlock) != 0 {
+ t.Errorf("Got data %+q, expected %+q", buf[:n], TestBlock)
+ }
+}
+
+func testTrashEmptyTrashUntrash(t TB, factory TestableVolumeFactory) {
+ v := factory(t)
+ defer v.Teardown()
+ defer func(orig arvados.Duration) {
+ theConfig.TrashLifetime = orig
+ }(theConfig.TrashLifetime)
+
+ checkGet := func() error {
+ buf := make([]byte, BlockSize)
+ n, err := v.Get(context.Background(), TestHash, buf)
+ if err != nil {
+ return err
+ }
+ if bytes.Compare(buf[:n], TestBlock) != 0 {
+ t.Fatalf("Got data %+q, expected %+q", buf[:n], TestBlock)
+ }
+
+ _, err = v.Mtime(TestHash)
+ if err != nil {
+ return err
+ }
+
+ err = v.Compare(context.Background(), TestHash, TestBlock)
+ if err != nil {
+ return err
+ }
+
+ indexBuf := new(bytes.Buffer)
+ v.IndexTo("", indexBuf)
+ if !strings.Contains(string(indexBuf.Bytes()), TestHash) {
+ return os.ErrNotExist
+ }
+
+ return nil
+ }
+
+ // First set: EmptyTrash before reaching the trash deadline.
+
+ theConfig.TrashLifetime.Set("1h")
+
+ v.PutRaw(TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ err := checkGet()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // Trash the block
+ err = v.Trash(TestHash)
+ if err == MethodDisabledError || err == ErrNotImplemented {
+ // Skip the trash tests for read-only volumes, and
+ // volume types that don't support TrashLifetime>0.
+ return
+ }
+
+ err = checkGet()
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ err = v.Touch(TestHash)
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ v.EmptyTrash()
+
+ // Even after emptying the trash, we can untrash our block
+ // because the deadline hasn't been reached.
+ err = v.Untrash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = checkGet()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = v.Touch(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // Because we Touch'ed, need to backdate again for next set of tests
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ // If the only block in the trash has already been untrashed,
+ // most volumes will fail a subsequent Untrash with a 404, but
+ // it's also acceptable for Untrash to succeed.
+ err = v.Untrash(TestHash)
+ if err != nil && !os.IsNotExist(err) {
+ t.Fatalf("Expected success or os.IsNotExist(), but got: %v", err)
+ }
+
+ // The additional Untrash should not interfere with our
+ // already-untrashed copy.
+ err = checkGet()
+ if err != nil {
+ t.Fatal(err)
}
- if bytes.Compare(rdata, wdata) != 0 {
- t.Error("rdata != wdata")
+
+ // Untrash might have updated the timestamp, so backdate again
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ // Second set: EmptyTrash after the trash deadline has passed.
+
+ theConfig.TrashLifetime.Set("1ns")
+
+ err = v.Trash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = checkGet()
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ // Even though 1ns has passed, we can untrash because we
+ // haven't called EmptyTrash yet.
+ err = v.Untrash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = checkGet()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // Trash it again, and this time call EmptyTrash so it really
+ // goes away.
+ // (In Azure volumes, un/trash changes Mtime, so first backdate again)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+ err = v.Trash(TestHash)
+ err = checkGet()
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+ v.EmptyTrash()
+
+ // Untrash won't find it
+ err = v.Untrash(TestHash)
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ // Get block won't find it
+ err = checkGet()
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ // Third set: If the same data block gets written again after
+ // being trashed, and then the trash gets emptied, the newer
+ // un-trashed copy doesn't get deleted along with it.
+
+ v.PutRaw(TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ theConfig.TrashLifetime.Set("1ns")
+ err = v.Trash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = checkGet()
+ if err == nil || !os.IsNotExist(err) {
+ t.Fatalf("os.IsNotExist(%v) should have been true", err)
+ }
+
+ v.PutRaw(TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ // EmptyTrash should not delete the untrashed copy.
+ v.EmptyTrash()
+ err = checkGet()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // Fourth set: If the same data block gets trashed twice with
+ // different deadlines A and C, and then the trash is emptied
+ // at intermediate time B (A < B < C), it is still possible to
+ // untrash the block whose deadline is "C".
+
+ v.PutRaw(TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ theConfig.TrashLifetime.Set("1ns")
+ err = v.Trash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ v.PutRaw(TestHash, TestBlock)
+ v.TouchWithDate(TestHash, time.Now().Add(-2*theConfig.BlobSignatureTTL.Duration()))
+
+ theConfig.TrashLifetime.Set("1h")
+ err = v.Trash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // EmptyTrash should not prevent us from recovering the
+ // time.Hour ("C") trash
+ v.EmptyTrash()
+ err = v.Untrash(TestHash)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = checkGet()
+ if err != nil {
+ t.Fatal(err)
}
}
projects / arvados.git / blobdiff