+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+
package manifest
import (
+ "fmt"
+ "git.arvados.org/arvados.git/sdk/go/arvadostest"
+ "git.arvados.org/arvados.git/sdk/go/blockdigest"
+ "io/ioutil"
+ "reflect"
+ "regexp"
"runtime"
"testing"
)
-func getStackTrace() (string) {
+func getStackTrace() string {
buf := make([]byte, 1000)
- bytes_written := runtime.Stack(buf, false)
- return "Stack Trace:\n" + string(buf[:bytes_written])
+ 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
+ actual, ok := <-c
if !ok {
t.Fatalf("Expected to receive %s but channel was closed. %s",
expected,
}
func expectChannelClosed(t *testing.T, c <-chan interface{}) {
- received, ok := <- c
+ received, ok := <-c
if ok {
t.Fatalf("Expected channel to be closed, but received %v instead. %s",
received,
}
}
-func expectManifestLine(t *testing.T, actual ManifestLine, expected ManifestLine) {
+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)
- expectStringSlicesEqual(t, actual.Files, expected.Files)
+ expectFileStreamSegmentsEqual(t, actual.FileStreamSegments, expected.FileStreamSegments)
}
-func expectBlockLocator(t *testing.T, actual BlockLocator, expected BlockLocator) {
+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 expectLocatorPatternMatch(t *testing.T, s string) {
- if !LocatorPattern.MatchString(s) {
- t.Fatalf("Expected \"%s\" to match locator pattern but it did not.",
- s)
+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 expectLocatorPatternFail(t *testing.T, s string) {
- if LocatorPattern.MatchString(s) {
- t.Fatalf("Expected \"%s\" to fail locator pattern but it passed.",
- s)
+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, 15693477, "chr10_band0_s0_e3000000.fj"}}})
+
+ received, ok := <-streamIter
+ if ok {
+ t.Fatalf("Expected streamIter to be closed, but received %v instead.",
+ received)
}
}
-func TestLocatorPatternBasic(t *testing.T) {
- expectLocatorPatternMatch(t, "12345678901234567890123456789012+12345")
- expectLocatorPatternMatch(t, "A2345678901234abcdefababdeffdfdf+12345")
- expectLocatorPatternMatch(t, "12345678901234567890123456789012+12345+A1")
- expectLocatorPatternMatch(t,
- "12345678901234567890123456789012+12345+A1+B123wxyz@_-")
- expectLocatorPatternMatch(t,
- "12345678901234567890123456789012+12345+A1+B123wxyz@_-+C@")
+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)
- expectLocatorPatternFail(t, "12345678901234567890123456789012")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+")
- expectLocatorPatternFail(t, "1234567890123456789012345678901+12345")
- expectLocatorPatternFail(t, "123456789012345678901234567890123+12345")
- expectLocatorPatternFail(t, "g2345678901234abcdefababdeffdfdf+12345")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345 ")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+1")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+1A")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+a1")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A1+")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A1+B")
- expectLocatorPatternFail(t, "12345678901234567890123456789012+12345+A+B2")
+ 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 TestParseManifestLineSimple(t *testing.T) {
- m := parseManifestLine(". 365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf 0:2310:qr1hi-8i9sb-ienvmpve1a0vpoi.log.txt")
- expectManifestLine(t, m, ManifestLine{StreamName: ".",
- Blocks: []string{"365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf"},
- Files: []string{"0:2310:qr1hi-8i9sb-ienvmpve1a0vpoi.log.txt"}})
+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)
+ }
+ }
}
-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)
+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)
+ }
}
- expectBlockLocator(t, b, BlockLocator{Digest: "365f83f5f808896ec834c8b595288735",
- Size: 2310,
- Hints: []string{"K@qr1hi",
- "Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf"}})
+}
+
+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())
+ }
+ }
+}
+
+func TestNormalizeManifest(t *testing.T) {
+ m1 := Manifest{Text: `. 5348b82a029fd9e971a811ce1f71360b+43 0:43:md5sum.txt
+. 085c37f02916da1cad16f93c54d899b7+41 0:41:md5sum.txt
+. 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md5sum.txt
+`}
+ expectEqual(t, m1.Extract(".", ".").Text,
+ `. 5348b82a029fd9e971a811ce1f71360b+43 085c37f02916da1cad16f93c54d899b7+41 8b22da26f9f433dea0a10e5ec66d73ba+43 0:127:md5sum.txt
+`)
+
+ m2 := Manifest{Text: `. 204e43b8a1185621ca55a94839582e6f+67108864 b9677abbac956bd3e86b1deb28dfac03+67108864 fc15aff2a762b13f521baf042140acec+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:227212247:var-GS000016015-ASM.tsv.bz2
+`}
+ expectEqual(t, m2.Extract(".", ".").Text, m2.Text)
+
+ m3 := Manifest{Text: `. 5348b82a029fd9e971a811ce1f71360b+43 3:40:md5sum.txt
+. 085c37f02916da1cad16f93c54d899b7+41 0:41:md5sum.txt
+. 8b22da26f9f433dea0a10e5ec66d73ba+43 0:43:md5sum.txt
+`}
+ expectEqual(t, m3.Extract(".", ".").Text, `. 5348b82a029fd9e971a811ce1f71360b+43 085c37f02916da1cad16f93c54d899b7+41 8b22da26f9f433dea0a10e5ec66d73ba+43 3:124:md5sum.txt
+`)
+ expectEqual(t, m3.Extract("/md5sum.txt", "/wiggle.txt").Text, `. 5348b82a029fd9e971a811ce1f71360b+43 085c37f02916da1cad16f93c54d899b7+41 8b22da26f9f433dea0a10e5ec66d73ba+43 3:124:wiggle.txt
+`)
+
+ m4 := Manifest{Text: `. 204e43b8a1185621ca55a94839582e6f+67108864 0:3:foo/bar
+./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+./foo 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`}
+
+ expectEqual(t, m4.Extract(".", ".").Text,
+ `./foo 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar
+./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+`)
+
+ expectEqual(t, m4.Extract("./foo", ".").Text, ". 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar\n")
+ expectEqual(t, m4.Extract("./foo", "./baz").Text, "./baz 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar\n")
+ expectEqual(t, m4.Extract("./foo/bar", ".").Text, ". 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar\n")
+ expectEqual(t, m4.Extract("./foo/bar", "./baz").Text, ". 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:baz 67108864:3:baz\n")
+ expectEqual(t, m4.Extract("./foo/bar", "./quux/").Text, "./quux 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar\n")
+ expectEqual(t, m4.Extract("./foo/bar", "./quux/baz").Text, "./quux 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:baz 67108864:3:baz\n")
+ expectEqual(t, m4.Extract(".", ".").Text, `./foo 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar
+./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+`)
+ expectEqual(t, m4.Extract(".", "./zip").Text, `./zip/foo 204e43b8a1185621ca55a94839582e6f+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar 67108864:3:bar
+./zip/zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+`)
+
+ expectEqual(t, m4.Extract("foo/.//bar/../../zzz/", "/waz/").Text, `./waz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+`)
+
+ m5 := Manifest{Text: `. 204e43b8a1185621ca55a94839582e6f+67108864 0:3:foo/bar
+./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+./foo 204e43b8a1185621ca55a94839582e6f+67108864 3:3:bar
+`}
+ expectEqual(t, m5.Extract(".", ".").Text,
+ `./foo 204e43b8a1185621ca55a94839582e6f+67108864 0:6:bar
+./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+`)
+
+ m8 := Manifest{Text: `./a\040b\040c 59ca0efa9f5633cb0371bbc0355478d8+13 0:13:hello\040world.txt
+`}
+ expectEqual(t, m8.Extract(".", ".").Text, m8.Text)
+
+ m9 := Manifest{Text: ". acbd18db4cc2f85cedef654fccc4a4d8+40 0:10:one 20:10:two 10:10:one 30:10:two\n"}
+ expectEqual(t, m9.Extract("", "").Text, ". acbd18db4cc2f85cedef654fccc4a4d8+40 0:20:one 20:20:two\n")
+
+ m10 := Manifest{Text: ". acbd18db4cc2f85cedef654fccc4a4d8+40 0:10:one 20:10:two 10:10:one 30:10:two\n"}
+ expectEqual(t, m10.Extract("./two", "./three").Text, ". acbd18db4cc2f85cedef654fccc4a4d8+40 20:20:three\n")
+
+ m11 := Manifest{Text: arvadostest.PathologicalManifest}
+ expectEqual(t, m11.Extract(".", ".").Text, `. acbd18db4cc2f85cedef654fccc4a4d8+3 37b51d194a7513e45b56f6524f2d51f2+3 73feffa4b7f6bb68e44cf984c85f6e88+3+Z+K@xyzzy 0:1:f 1:4:ooba 5:1:r 5:4:rbaz 0:0:zero@0 0:0:zero@1 0:0:zero@4 0:0:zero@9
+./foo acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:foo 0:3:foo 0:0:zero
+./foo\040bar acbd18db4cc2f85cedef654fccc4a4d8+3 0:3:baz 0:3:baz\040waz
+./overlapReverse acbd18db4cc2f85cedef654fccc4a4d8+3 2:1:o 2:1:ofoo 0:3:ofoo 1:2:oo
+./segmented acbd18db4cc2f85cedef654fccc4a4d8+3 37b51d194a7513e45b56f6524f2d51f2+3 0:1:frob 5:1:frob 1:1:frob 3:1:frob 1:2:oof 0:1:oof
+`)
+
+ m12 := Manifest{Text: `./foo 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./zzz 204e43b8a1185621ca55a94839582e6f+67108864 0:999:zzz
+./foo/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`}
+
+ expectEqual(t, m12.Extract("./foo", ".").Text, `. 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+ expectEqual(t, m12.Extract("./foo", "./blub").Text, `./blub 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./blub/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+ expectEqual(t, m12.Extract("./foo", "./blub/").Text, `./blub 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./blub/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+ expectEqual(t, m12.Extract("./foo/", "./blub/").Text, `./blub 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+./blub/baz 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:3:bar
+`)
+
+ m13 := Manifest{Text: `foo 204e43b8a1185621ca55a94839582e6f+67108864 0:3:bar
+`}
+
+ expectEqual(t, m13.Extract(".", ".").Text, ``)
+ expectEqual(t, m13.Extract(".", ".").Err.Error(), "Invalid stream name: foo")
+
+ m14 := Manifest{Text: `./foo 204e43b8a1185621ca55a94839582e6f+67108864 67108863:3:bar
+`}
+
+ expectEqual(t, m14.Extract(".", ".").Text, ``)
+ expectEqual(t, m14.Extract(".", ".").Err.Error(), "File segment 67108863:3:bar extends past end of stream 67108864")
+
+ m15 := Manifest{Text: `./foo 204e43b8a1185621ca55a94839582e6f+67108864 0:3bar
+`}
+
+ expectEqual(t, m15.Extract(".", ".").Text, ``)
+ expectEqual(t, m15.Extract(".", ".").Err.Error(), "Invalid file token: 0:3bar")
+}
+
+func TestFirstBlock(t *testing.T) {
+ fmt.Println("ZZZ")
+ expectEqual(t, firstBlock([]uint64{1, 2, 3, 4}, 3), 2)
+ expectEqual(t, firstBlock([]uint64{1, 2, 3, 4, 5, 6}, 4), 3)
}