import (
"bytes"
+ "crypto/md5"
+ "fmt"
"os"
"regexp"
"sort"
"strings"
- "testing"
"time"
+
+ "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)
+ testCompareNonexistent(t, factory)
testCompareSameContent(t, factory, TestHash, TestBlock)
testCompareSameContent(t, factory, EmptyHash, EmptyBlock)
testCompareWithCollision(t, factory, TestHash, TestBlock, []byte("baddata"))
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)
testGetConcurrent(t, factory)
testPutConcurrent(t, factory)
+
+ testPutFullBlock(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()
buf, err := v.Get(TestHash)
if err != nil {
- t.Error(err)
+ t.Fatal(err)
}
bufs.Put(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()
}
}
+// 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 TB, factory TestableVolumeFactory) {
+ v := factory(t)
+ defer v.Teardown()
+
+ err := v.Compare(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()
// 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()
// 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()
// 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()
// 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)
// 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 %+v, expected %+v", buf, testDataB)
+ t.Errorf("Put succeeded but Get returned %+q, expected %+q", buf, 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 %+v, which is neither %+v nor %+v", buf, testDataA, testDataB)
+ t.Errorf("Put failed but Get returned %+q, which is neither %+q nor %+q", buf, testDataA, testDataB)
}
}
if getErr == nil {
// 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()
data, err := v.Get(TestHash)
if err != nil {
t.Error(err)
- } else if bytes.Compare(data, TestBlock) != 0 {
- t.Errorf("Block present, but content is incorrect: Expected: %v Found: %v", data, TestBlock)
+ } else {
+ if bytes.Compare(data, TestBlock) != 0 {
+ t.Errorf("Block present, but got %+q, expected %+q", data, TestBlock)
+ }
+ bufs.Put(data)
}
- bufs.Put(data)
data, err = v.Get(TestHash2)
if err != nil {
t.Error(err)
- } else if bytes.Compare(data, TestBlock2) != 0 {
- t.Errorf("Block present, but content is incorrect: Expected: %v Found: %v", data, TestBlock2)
+ } else {
+ if bytes.Compare(data, TestBlock2) != 0 {
+ t.Errorf("Block present, but got %+q, expected %+q", data, TestBlock2)
+ }
+ bufs.Put(data)
}
- bufs.Put(data)
data, err = v.Get(TestHash3)
if err != nil {
t.Error(err)
- } else if bytes.Compare(data, TestBlock3) != 0 {
- t.Errorf("Block present, but content is incorrect: Expected: %v Found: %v", data, TestBlock3)
+ } else {
+ if bytes.Compare(data, TestBlock3) != 0 {
+ t.Errorf("Block present, but to %+q, expected %+q", data, TestBlock3)
+ }
+ bufs.Put(data)
}
- bufs.Put(data)
}
// testPutAndTouch
// 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()
// 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()
v.PutRaw(TestHash2, TestBlock2)
v.PutRaw(TestHash3, TestBlock3)
+ // Blocks whose names aren't Keep hashes should be omitted from
+ // index
+ v.PutRaw("fffffffffnotreallyahashfffffffff", nil)
+ v.PutRaw("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", nil)
+ v.PutRaw("f0000000000000000000000000000000f", nil)
+ v.PutRaw("f00", nil)
+
buf := new(bytes.Buffer)
v.IndexTo("", buf)
indexRows := strings.Split(string(buf.Bytes()), "\n")
// 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
if v.Writable() == false {
return
data, err := v.Get(TestHash)
if err != nil {
t.Error(err)
- } else if bytes.Compare(data, TestBlock) != 0 {
- t.Error("Block still present, but content is incorrect: %+v != %+v", data, TestBlock)
+ } else {
+ if bytes.Compare(data, TestBlock) != 0 {
+ t.Errorf("Got data %+q, expected %+q", data, TestBlock)
+ }
+ bufs.Put(data)
}
- bufs.Put(data)
}
// Calling Delete() for a block with a timestamp older than
// 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
if v.Writable() == false {
return
}
v.Put(TestHash, TestBlock)
- v.TouchWithDate(TestHash, time.Now().Add(-2*blobSignatureTTL*time.Second))
+ v.TouchWithDate(TestHash, time.Now().Add(-2*blobSignatureTTL))
if err := v.Delete(TestHash); err != nil {
t.Error(err)
}
if _, err := v.Get(TestHash); err == nil || !os.IsNotExist(err) {
- t.Errorf("os.IsNotExist(%v) should have been true", err.Error())
+ t.Errorf("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()
// 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()
// 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()
// 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()
t.Errorf("Get #3: expected %s, got %s", string(TestBlock3), string(buf))
}
}
+
+// Write and read back a full size block
+func testPutFullBlock(t TB, factory TestableVolumeFactory) {
+ v := factory(t)
+ defer v.Teardown()
+
+ if !v.Writable() {
+ return
+ }
+
+ wdata := make([]byte, BlockSize)
+ wdata[0] = 'a'
+ wdata[BlockSize-1] = 'z'
+ hash := fmt.Sprintf("%x", md5.Sum(wdata))
+ err := v.Put(hash, wdata)
+ if err != nil {
+ t.Fatal(err)
+ }
+ rdata, err := v.Get(hash)
+ if err != nil {
+ t.Error(err)
+ } else {
+ defer bufs.Put(rdata)
+ }
+ if bytes.Compare(rdata, wdata) != 0 {
+ t.Error("rdata != wdata")
+ }
+}
projects / arvados.git / blobdiff