package manifest
import (
"io/ioutil"
"reflect"
"regexp"
"runtime"
"testing"
"git.curoverse.com/arvados.git/sdk/go/arvadostest"
"git.curoverse.com/arvados.git/sdk/go/blockdigest"
)
func getStackTrace() string {
buf := make([]byte, 1000)
bytesWritten := runtime.Stack(buf, false)
return "Stack Trace:\n" + string(buf[:bytesWritten])
}
func expectFromChannel(t *testing.T, c <-chan string, expected string) {
actual, ok := <-c
if !ok {
t.Fatalf("Expected to receive %s but channel was closed. %s",
expected,
getStackTrace())
}
if actual != expected {
t.Fatalf("Expected %s but got %s instead. %s",
expected,
actual,
getStackTrace())
}
}
func expectChannelClosed(t *testing.T, c <-chan interface{}) {
received, ok := <-c
if ok {
t.Fatalf("Expected channel to be closed, but received %v instead. %s",
received,
getStackTrace())
}
}
func expectEqual(t *testing.T, actual interface{}, expected interface{}) {
if actual != expected {
t.Fatalf("Expected %v but received %v instead. %s",
expected,
actual,
getStackTrace())
}
}
func expectStringSlicesEqual(t *testing.T, actual []string, expected []string) {
if len(actual) != len(expected) {
t.Fatalf("Expected %v (length %d), but received %v (length %d) instead. %s", expected, len(expected), actual, len(actual), getStackTrace())
}
for i := range actual {
if actual[i] != expected[i] {
t.Fatalf("Expected %v but received %v instead (first disagreement at position %d). %s", expected, actual, i, getStackTrace())
}
}
}
func expectFileStreamSegmentsEqual(t *testing.T, actual []FileStreamSegment, expected []FileStreamSegment) {
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("Expected %v but received %v instead. %s", expected, actual, getStackTrace())
}
}
func expectManifestStream(t *testing.T, actual ManifestStream, expected ManifestStream) {
expectEqual(t, actual.StreamName, expected.StreamName)
expectStringSlicesEqual(t, actual.Blocks, expected.Blocks)
expectFileStreamSegmentsEqual(t, actual.FileStreamSegments, expected.FileStreamSegments)
}
func expectBlockLocator(t *testing.T, actual blockdigest.BlockLocator, expected blockdigest.BlockLocator) {
expectEqual(t, actual.Digest, expected.Digest)
expectEqual(t, actual.Size, expected.Size)
expectStringSlicesEqual(t, actual.Hints, expected.Hints)
}
func TestParseManifestStreamSimple(t *testing.T) {
m := parseManifestStream(". 365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf 0:2310:qr1hi-8i9sb-ienvmpve1a0vpoi.log.txt")
expectManifestStream(t, m, ManifestStream{StreamName: ".",
Blocks: []string{"365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf"},
FileStreamSegments: []FileStreamSegment{{0, 2310, "qr1hi-8i9sb-ienvmpve1a0vpoi.log.txt"}}})
}
func TestParseBlockLocatorSimple(t *testing.T) {
b, err := ParseBlockLocator("365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf")
if err != nil {
t.Fatalf("Unexpected error parsing block locator: %v", err)
}
d, err := blockdigest.FromString("365f83f5f808896ec834c8b595288735")
if err != nil {
t.Fatalf("Unexpected error during FromString for block locator: %v", err)
}
expectBlockLocator(t, blockdigest.BlockLocator{b.Digest, b.Size, b.Hints},
blockdigest.BlockLocator{Digest: d,
Size: 2310,
Hints: []string{"K@qr1hi",
"Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf"}})
}
func TestStreamIterShortManifestWithBlankStreams(t *testing.T) {
content, err := ioutil.ReadFile("testdata/short_manifest")
if err != nil {
t.Fatalf("Unexpected error reading manifest from file: %v", err)
}
manifest := Manifest{Text: string(content)}
streamIter := manifest.StreamIter()
firstStream := <-streamIter
expectManifestStream(t,
firstStream,
ManifestStream{StreamName: ".",
Blocks: []string{"b746e3d2104645f2f64cd3cc69dd895d+15693477+E2866e643690156651c03d876e638e674dcd79475@5441920c"},
FileStreamSegments: []FileStreamSegment{{0, 15893477, "chr10_band0_s0_e3000000.fj"}}})
received, ok := <-streamIter
if ok {
t.Fatalf("Expected streamIter to be closed, but received %v instead.",
received)
}
}
func TestBlockIterLongManifest(t *testing.T) {
content, err := ioutil.ReadFile("testdata/long_manifest")
if err != nil {
t.Fatalf("Unexpected error reading manifest from file: %v", err)
}
manifest := Manifest{Text: string(content)}
blockChannel := manifest.BlockIterWithDuplicates()
firstBlock := <-blockChannel
d, err := blockdigest.FromString("b746e3d2104645f2f64cd3cc69dd895d")
if err != nil {
t.Fatalf("Unexpected error during FromString for block: %v", err)
}
expectBlockLocator(t,
firstBlock,
blockdigest.BlockLocator{Digest: d,
Size: 15693477,
Hints: []string{"E2866e643690156651c03d876e638e674dcd79475@5441920c"}})
blocksRead := 1
var lastBlock blockdigest.BlockLocator
for lastBlock = range blockChannel {
blocksRead++
}
expectEqual(t, blocksRead, 853)
d, err = blockdigest.FromString("f9ce82f59e5908d2d70e18df9679b469")
if err != nil {
t.Fatalf("Unexpected error during FromString for block: %v", err)
}
expectBlockLocator(t,
lastBlock,
blockdigest.BlockLocator{Digest: d,
Size: 31367794,
Hints: []string{"E53f903684239bcc114f7bf8ff9bd6089f33058db@5441920c"}})
}
func TestUnescape(t *testing.T) {
for _, testCase := range [][]string{
{`\040`, ` `},
{`\009`, `\009`},
{`\\\040\\`, `\ \`},
{`\\040\`, `\040\`},
} {
in := testCase[0]
expect := testCase[1]
got := UnescapeName(in)
if expect != got {
t.Errorf("For '%s' got '%s' instead of '%s'", in, got, expect)
}
}
}
type fsegtest struct {
mt string // manifest text
f string // filename
want []FileSegment // segments should be received on channel
}
func TestFileSegmentIterByName(t *testing.T) {
mt := arvadostest.PathologicalManifest
for _, testCase := range []fsegtest{
{mt: mt, f: "zzzz", want: nil},
// This case is too sensitive: it would be acceptable
// (even preferable) to return only one empty segment.
{mt: mt, f: "foo/zero", want: []FileSegment{{"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}, {"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}}},
{mt: mt, f: "zero@0", want: []FileSegment{{"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}}},
{mt: mt, f: "zero@1", want: []FileSegment{{"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}}},
{mt: mt, f: "zero@4", want: []FileSegment{{"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}}},
{mt: mt, f: "zero@9", want: []FileSegment{{"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}}},
{mt: mt, f: "f", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 0, 1}}},
{mt: mt, f: "ooba", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 1, 2}, {"37b51d194a7513e45b56f6524f2d51f2+3", 0, 2}}},
{mt: mt, f: "overlapReverse/o", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 2, 1}}},
{mt: mt, f: "overlapReverse/oo", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 1, 2}}},
{mt: mt, f: "overlapReverse/ofoo", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 2, 1}, {"acbd18db4cc2f85cedef654fccc4a4d8+3", 0, 3}}},
{mt: mt, f: "foo bar/baz", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 0, 3}}},
// This case is too sensitive: it would be better to
// omit the empty segment.
{mt: mt, f: "segmented/frob", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 0, 1}, {"37b51d194a7513e45b56f6524f2d51f2+3", 2, 1}, {"acbd18db4cc2f85cedef654fccc4a4d8+3", 1, 1}, {"d41d8cd98f00b204e9800998ecf8427e+0", 0, 0}, {"37b51d194a7513e45b56f6524f2d51f2+3", 0, 1}}},
{mt: mt, f: "segmented/oof", want: []FileSegment{{"acbd18db4cc2f85cedef654fccc4a4d8+3", 1, 2}, {"acbd18db4cc2f85cedef654fccc4a4d8+3", 0, 1}}},
} {
m := Manifest{Text: testCase.mt}
var got []FileSegment
for fs := range m.FileSegmentIterByName(testCase.f) {
got = append(got, *fs)
}
if !reflect.DeepEqual(got, testCase.want) {
t.Errorf("For %#v:\n got %#v\n want %#v", testCase.f, got, testCase.want)
}
}
}
func TestBlockIterWithBadManifest(t *testing.T) {
testCases := [][]string{
{"badstream acbd18db4cc2f85cedef654fccc4a4d8+3 0:1:file1.txt", "Invalid stream name: badstream"},
{"/badstream acbd18db4cc2f85cedef654fccc4a4d8+3 0:1:file1.txt", "Invalid stream name: /badstream"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3 file1.txt", "Invalid file token: file1.txt"},
{". acbd18db4cc2f85cedef654fccc4a4+3 0:1:file1.txt", "No block locators found"},
{". acbd18db4cc2f85cedef654fccc4a4d8 0:1:file1.txt", "No block locators found"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3 0:1:file1.txt file2.txt 1:2:file3.txt", "Invalid file token: file2.txt"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3 0:1:file1.txt. bcde18db4cc2f85cedef654fccc4a4d8+3 1:2:file3.txt", "Invalid file token: bcde18db4cc2f85cedef654fccc4a4d8.*"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3 0:1:file1.txt\n. acbd18db4cc2f85cedef654fccc4a4d8+3 ::file2.txt\n", "Invalid file token: ::file2.txt"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3 bcde18db4cc2f85cedef654fccc4a4d8+3\n", "No file tokens found"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3 ", "Invalid file token"},
{". acbd18db4cc2f85cedef654fccc4a4d8+3", "No file tokens found"},
{". 0:1:file1.txt\n", "No block locators found"},
{".\n", "No block locators found"},
}
for _, testCase := range testCases {
manifest := Manifest{Text: string(testCase[0])}
blockChannel := manifest.BlockIterWithDuplicates()
for block := range blockChannel {
_ = block
}
// completed reading from blockChannel; now check for errors
if manifest.Err == nil {
t.Fatalf("Expected error")
}
matched, _ := regexp.MatchString(testCase[1], manifest.Err.Error())
if !matched {
t.Fatalf("Expected error not found. Expected: %v; Found: %v", testCase[1], manifest.Err.Error())
}
}
}