Merge branch '10764-ws-tests'
[arvados.git] / services / crunch-run / crunchrun_test.go
index 8d0322c02ca075ae643458ab647469a1ec751403..eaf62d192e34e009253b5f466f857e606b38a00c 100644 (file)
@@ -6,12 +6,6 @@ import (
        "encoding/json"
        "errors"
        "fmt"
-       "git.curoverse.com/arvados.git/sdk/go/arvados"
-       "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
-       "git.curoverse.com/arvados.git/sdk/go/keepclient"
-       "git.curoverse.com/arvados.git/sdk/go/manifest"
-       "github.com/curoverse/dockerclient"
-       . "gopkg.in/check.v1"
        "io"
        "io/ioutil"
        "os"
@@ -23,6 +17,13 @@ import (
        "syscall"
        "testing"
        "time"
+
+       "git.curoverse.com/arvados.git/sdk/go/arvados"
+       "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
+       "git.curoverse.com/arvados.git/sdk/go/keepclient"
+       "git.curoverse.com/arvados.git/sdk/go/manifest"
+       "github.com/curoverse/dockerclient"
+       . "gopkg.in/check.v1"
 )
 
 // Gocheck boilerplate
@@ -57,9 +58,12 @@ var hwImageId = "9c31ee32b3d15268a0754e8edc74d4f815ee014b693bc5109058e431dd5caea
 var otherManifest = ". 68a84f561b1d1708c6baff5e019a9ab3+46+Ae5d0af96944a3690becb1decdf60cc1c937f556d@5693216f 0:46:md5sum.txt\n"
 var otherPDH = "a3e8f74c6f101eae01fa08bfb4e49b3a+54"
 
-var normalizedManifestWithSubdirs = ". 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 0:9:file1_in_main.txt 9:18:file2_in_main.txt 27:5649:zzzzz-8i9sb-bcdefghijkdhvnk.log.txt\n./subdir1 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 0:9:file1_in_subdir1.txt 9:18:file2_in_subdir1.txt\n./subdir1/subdir2 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0bcdefghijk544332211@569fa8c5 0:9:file1_in_subdir2.txt 9:18:file2_in_subdir2.txt\n"
+var normalizedManifestWithSubdirs = ". 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 0:9:file1_in_main.txt 9:18:file2_in_main.txt 0:27:zzzzz-8i9sb-bcdefghijkdhvnk.log.txt\n./subdir1 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 0:9:file1_in_subdir1.txt 9:18:file2_in_subdir1.txt\n./subdir1/subdir2 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0bcdefghijk544332211@569fa8c5 0:9:file1_in_subdir2.txt 9:18:file2_in_subdir2.txt\n"
 var normalizedWithSubdirsPDH = "a0def87f80dd594d4675809e83bd4f15+367"
 
+var denormalizedManifestWithSubdirs = ". 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 0:9:file1_in_main.txt 9:18:file2_in_main.txt 0:27:zzzzz-8i9sb-bcdefghijkdhvnk.log.txt 0:10:subdir1/file1_in_subdir1.txt 10:17:subdir1/file2_in_subdir1.txt\n"
+var denormalizedWithSubdirsPDH = "b0def87f80dd594d4675809e83bd4f15+367"
+
 var fakeAuthUUID = "zzzzz-gj3su-55pqoyepgi2glem"
 var fakeAuthToken = "a3ltuwzqcu2u4sc0q7yhpc2w7s00fdcqecg5d6e0u3pfohmbjt"
 
@@ -187,6 +191,8 @@ func (client *ArvTestClient) Get(resourceType string, uuid string, parameters ar
                        output.(*arvados.Collection).ManifestText = otherManifest
                } else if uuid == normalizedWithSubdirsPDH {
                        output.(*arvados.Collection).ManifestText = normalizedManifestWithSubdirs
+               } else if uuid == denormalizedWithSubdirsPDH {
+                       output.(*arvados.Collection).ManifestText = denormalizedManifestWithSubdirs
                }
        }
        if resourceType == "containers" {
@@ -531,7 +537,7 @@ func (s *TestSuite) TestUpdateContainerCancelled(c *C) {
 
 // Used by the TestFullRun*() test below to DRY up boilerplate setup to do full
 // dress rehearsal of the Run() function, starting from a JSON container record.
-func FullRunHelper(c *C, record string, extraMounts []string, fn func(t *TestDockerClient)) (api *ArvTestClient, cr *ContainerRunner) {
+func FullRunHelper(c *C, record string, extraMounts []string, fn func(t *TestDockerClient)) (api *ArvTestClient, cr *ContainerRunner, realTemp string) {
        rec := arvados.Container{}
        err := json.Unmarshal([]byte(record), &rec)
        c.Check(err, IsNil)
@@ -547,6 +553,22 @@ func FullRunHelper(c *C, record string, extraMounts []string, fn func(t *TestDoc
        am := &ArvMountCmdLine{}
        cr.RunArvMount = am.ArvMountTest
 
+       realTemp, err = ioutil.TempDir("", "crunchrun_test1-")
+       c.Assert(err, IsNil)
+       defer os.RemoveAll(realTemp)
+
+       tempcount := 0
+       cr.MkTempDir = func(_ string, prefix string) (string, error) {
+               tempcount++
+               d := fmt.Sprintf("%s/%s%d", realTemp, prefix, tempcount)
+               err := os.Mkdir(d, os.ModePerm)
+               if err != nil && strings.Contains(err.Error(), ": file exists") {
+                       // Test case must have pre-populated the tempdir
+                       err = nil
+               }
+               return d, err
+       }
+
        if extraMounts != nil && len(extraMounts) > 0 {
                err := cr.SetupArvMountPoint("keep")
                c.Check(err, IsNil)
@@ -573,7 +595,7 @@ func FullRunHelper(c *C, record string, extraMounts []string, fn func(t *TestDoc
 }
 
 func (s *TestSuite) TestFullRunHello(c *C) {
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["echo", "hello world"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": ".",
@@ -595,7 +617,7 @@ func (s *TestSuite) TestFullRunHello(c *C) {
 }
 
 func (s *TestSuite) TestCrunchstat(c *C) {
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
                "command": ["sleep", "1"],
                "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
                "cwd": ".",
@@ -628,7 +650,7 @@ func (s *TestSuite) TestCrunchstat(c *C) {
 }
 
 func (s *TestSuite) TestFullRunStderr(c *C) {
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["/bin/sh", "-c", "echo hello ; echo world 1>&2 ; exit 1"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": ".",
@@ -654,7 +676,7 @@ func (s *TestSuite) TestFullRunStderr(c *C) {
 }
 
 func (s *TestSuite) TestFullRunDefaultCwd(c *C) {
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["pwd"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": ".",
@@ -676,7 +698,7 @@ func (s *TestSuite) TestFullRunDefaultCwd(c *C) {
 }
 
 func (s *TestSuite) TestFullRunSetCwd(c *C) {
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["pwd"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": "/bin",
@@ -696,7 +718,28 @@ func (s *TestSuite) TestFullRunSetCwd(c *C) {
        c.Check(strings.HasSuffix(api.Logs["stdout"].String(), "/bin\n"), Equals, true)
 }
 
-func (s *TestSuite) TestCancel(c *C) {
+func (s *TestSuite) TestStopOnSignal(c *C) {
+       s.testStopContainer(c, func(cr *ContainerRunner) {
+               go func() {
+                       for cr.ContainerID == "" {
+                               time.Sleep(time.Millisecond)
+                       }
+                       cr.SigChan <- syscall.SIGINT
+               }()
+       })
+}
+
+func (s *TestSuite) TestStopOnArvMountDeath(c *C) {
+       s.testStopContainer(c, func(cr *ContainerRunner) {
+               cr.ArvMountExit = make(chan error)
+               go func() {
+                       cr.ArvMountExit <- exec.Command("true").Run()
+                       close(cr.ArvMountExit)
+               }()
+       })
+}
+
+func (s *TestSuite) testStopContainer(c *C, setup func(cr *ContainerRunner)) {
        record := `{
     "command": ["/bin/sh", "-c", "echo foo && sleep 30 && echo bar"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
@@ -723,34 +766,31 @@ func (s *TestSuite) TestCancel(c *C) {
 
        api := &ArvTestClient{Container: rec}
        cr := NewContainerRunner(api, &KeepTestClient{}, docker, "zzzzz-zzzzz-zzzzzzzzzzzzzzz")
-       am := &ArvMountCmdLine{}
-       cr.RunArvMount = am.ArvMountTest
+       cr.RunArvMount = func([]string, string) (*exec.Cmd, error) { return nil, nil }
+       setup(cr)
 
+       done := make(chan error)
        go func() {
-               for cr.ContainerID == "" {
-                       time.Sleep(time.Millisecond)
-               }
-               cr.SigChan <- syscall.SIGINT
+               done <- cr.Run()
        }()
-
-       err = cr.Run()
-
-       c.Check(err, IsNil)
-       if err != nil {
-               for k, v := range api.Logs {
-                       c.Log(k)
-                       c.Log(v.String())
-               }
+       select {
+       case <-time.After(20 * time.Second):
+               c.Fatal("timed out")
+       case err = <-done:
+               c.Check(err, IsNil)
+       }
+       for k, v := range api.Logs {
+               c.Log(k)
+               c.Log(v.String())
        }
 
        c.Check(api.CalledWith("container.log", nil), NotNil)
        c.Check(api.CalledWith("container.state", "Cancelled"), NotNil)
        c.Check(strings.HasSuffix(api.Logs["stdout"].String(), "foo\n"), Equals, true)
-
 }
 
 func (s *TestSuite) TestFullRunSetEnv(c *C) {
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["/bin/sh", "-c", "echo $FROBIZ"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": "/bin",
@@ -1017,7 +1057,7 @@ func (s *TestSuite) TestStdout(c *C) {
                "runtime_constraints": {}
        }`
 
-       api, _ := FullRunHelper(c, helperRecord, nil, func(t *TestDockerClient) {
+       api, _, _ := FullRunHelper(c, helperRecord, nil, func(t *TestDockerClient) {
                t.logWriter.Write(dockerLog(1, t.env[0][7:]+"\n"))
                t.logWriter.Close()
                t.finish <- dockerclient.WaitResult{ExitCode: 0}
@@ -1080,7 +1120,7 @@ func (s *TestSuite) TestStdoutWithWrongKindCollection(c *C) {
 func (s *TestSuite) TestFullRunWithAPI(c *C) {
        os.Setenv("ARVADOS_API_HOST", "test.arvados.org")
        defer os.Unsetenv("ARVADOS_API_HOST")
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["/bin/sh", "-c", "echo $ARVADOS_API_HOST"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": "/bin",
@@ -1104,7 +1144,7 @@ func (s *TestSuite) TestFullRunWithAPI(c *C) {
 func (s *TestSuite) TestFullRunSetOutput(c *C) {
        os.Setenv("ARVADOS_API_HOST", "test.arvados.org")
        defer os.Unsetenv("ARVADOS_API_HOST")
-       api, _ := FullRunHelper(c, `{
+       api, _, _ := FullRunHelper(c, `{
     "command": ["/bin/sh", "-c", "echo $ARVADOS_API_HOST"],
     "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
     "cwd": "/bin",
@@ -1145,7 +1185,7 @@ func (s *TestSuite) TestStdoutWithExcludeFromOutputMountPointUnderOutputDir(c *C
 
        extraMounts := []string{"a3e8f74c6f101eae01fa08bfb4e49b3a+54"}
 
-       api, _ := FullRunHelper(c, helperRecord, extraMounts, func(t *TestDockerClient) {
+       api, _, _ := FullRunHelper(c, helperRecord, extraMounts, func(t *TestDockerClient) {
                t.logWriter.Write(dockerLog(1, t.env[0][7:]+"\n"))
                t.logWriter.Close()
                t.finish <- dockerclient.WaitResult{ExitCode: 0}
@@ -1164,11 +1204,10 @@ func (s *TestSuite) TestStdoutWithMultipleMountPointsUnderOutputDir(c *C) {
                "environment": {"FROBIZ": "bilbo"},
                "mounts": {
         "/tmp": {"kind": "tmp"},
-        "/tmp/foo": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367", "path":"/"},
         "/tmp/foo/bar": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367", "path":"/file2_in_main.txt"},
         "/tmp/foo/sub1": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367", "path":"/subdir1"},
         "/tmp/foo/sub1file2": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367", "path":"/subdir1/file2_in_subdir1.txt"},
-        "/tmp/foo/bar/sub2file2": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367", "path":"/subdir1/subdir2/file2_in_subdir2.txt"},
+        "/tmp/foo/baz/sub2file2": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367", "path":"/subdir1/subdir2/file2_in_subdir2.txt"},
         "stdout": {"kind": "file", "path": "/tmp/a/b/c.out"}
     },
                "output_path": "/tmp",
@@ -1176,14 +1215,25 @@ func (s *TestSuite) TestStdoutWithMultipleMountPointsUnderOutputDir(c *C) {
                "runtime_constraints": {}
        }`
 
-       extraMounts := []string{"a0def87f80dd594d4675809e83bd4f15+367"}
+       extraMounts := []string{
+               "a0def87f80dd594d4675809e83bd4f15+367/file2_in_main.txt",
+               "a0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt",
+               "a0def87f80dd594d4675809e83bd4f15+367/subdir1/subdir2/file2_in_subdir2.txt",
+       }
 
-       api, _ := FullRunHelper(c, helperRecord, extraMounts, func(t *TestDockerClient) {
+       api, runner, realtemp := FullRunHelper(c, helperRecord, extraMounts, func(t *TestDockerClient) {
                t.logWriter.Write(dockerLog(1, t.env[0][7:]+"\n"))
                t.logWriter.Close()
                t.finish <- dockerclient.WaitResult{ExitCode: 0}
        })
 
+       c.Check(runner.Binds, DeepEquals, []string{realtemp + "/2:/tmp",
+               realtemp + "/keep1/by_id/a0def87f80dd594d4675809e83bd4f15+367/file2_in_main.txt:/tmp/foo/bar:ro",
+               realtemp + "/keep1/by_id/a0def87f80dd594d4675809e83bd4f15+367/subdir1/subdir2/file2_in_subdir2.txt:/tmp/foo/baz/sub2file2:ro",
+               realtemp + "/keep1/by_id/a0def87f80dd594d4675809e83bd4f15+367/subdir1:/tmp/foo/sub1:ro",
+               realtemp + "/keep1/by_id/a0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt:/tmp/foo/sub1file2:ro",
+       })
+
        c.Check(api.CalledWith("container.exit_code", 0), NotNil)
        c.Check(api.CalledWith("container.state", "Complete"), NotNil)
        for _, v := range api.Content {
@@ -1192,24 +1242,18 @@ func (s *TestSuite) TestStdoutWithMultipleMountPointsUnderOutputDir(c *C) {
                        if strings.Index(collection["name"].(string), "output") == 0 {
                                manifest := collection["manifest_text"].(string)
 
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./a/b 307372fa8fd5c146b22ae7a45b49bc31+6 0:6:c.out"))
-
-                               origManifestWithDotReplacedAsFoo := strings.Replace(normalizedManifestWithSubdirs, "./", "./foo/", -1)
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo"+origManifestWithDotReplacedAsFoo[1:]))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 9:18:bar"))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo/sub1 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 0:9:file1_in_subdir1.txt 9:18:file2_in_subdir1.txt"))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 9:18:sub1file2"))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo/bar 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0bcdefghijk544332211@569fa8c5 9:18:sub2file2"))
+                               c.Check(manifest, Equals, `./a/b 307372fa8fd5c146b22ae7a45b49bc31+6 0:6:c.out
+./foo 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 9:18:bar 9:18:sub1file2
+./foo/baz 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0bcdefghijk544332211@569fa8c5 9:18:sub2file2
+./foo/sub1 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 0:9:file1_in_subdir1.txt 9:18:file2_in_subdir1.txt
+./foo/sub1/subdir2 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0bcdefghijk544332211@569fa8c5 0:9:file1_in_subdir2.txt 9:18:file2_in_subdir2.txt
+`)
                        }
                }
        }
 }
 
-func (s *TestSuite) TestStdoutWithMountPointForFileUnderOutputDir(c *C) {
+func (s *TestSuite) TestStdoutWithMountPointsUnderOutputDirDenormalizedManifest(c *C) {
        helperRecord := `{
                "command": ["/bin/sh", "-c", "echo $FROBIZ"],
                "container_image": "d4ab34d3d4f8a72f5c4973051ae69fab+122",
@@ -1217,11 +1261,7 @@ func (s *TestSuite) TestStdoutWithMountPointForFileUnderOutputDir(c *C) {
                "environment": {"FROBIZ": "bilbo"},
                "mounts": {
         "/tmp": {"kind": "tmp"},
-        "/tmp/foo": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367"},
-        "/tmp/foo/bar": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367/file2_in_main.txt"},
-        "/tmp/foo/sub1": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367/subdir1/"},
-        "/tmp/foo/sub1file2": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt"},
-        "/tmp/foo/bar/sub2file2": {"kind": "collection", "portable_data_hash": "a0def87f80dd594d4675809e83bd4f15+367/subdir1/subdir2/file2_in_subdir2.txt"},
+        "/tmp/foo/bar": {"kind": "collection", "portable_data_hash": "b0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt"},
         "stdout": {"kind": "file", "path": "/tmp/a/b/c.out"}
     },
                "output_path": "/tmp",
@@ -1230,13 +1270,10 @@ func (s *TestSuite) TestStdoutWithMountPointForFileUnderOutputDir(c *C) {
        }`
 
        extraMounts := []string{
-               "a0def87f80dd594d4675809e83bd4f15+367",
-               "a0def87f80dd594d4675809e83bd4f15+367/file2_in_main.txt",
-               "a0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt",
-               "a0def87f80dd594d4675809e83bd4f15+367/subdir1/subdir2/file2_in_subdir2.txt",
+               "b0def87f80dd594d4675809e83bd4f15+367/subdir1/file2_in_subdir1.txt",
        }
 
-       api, _ := FullRunHelper(c, helperRecord, extraMounts, func(t *TestDockerClient) {
+       api, _, _ := FullRunHelper(c, helperRecord, extraMounts, func(t *TestDockerClient) {
                t.logWriter.Write(dockerLog(1, t.env[0][7:]+"\n"))
                t.logWriter.Close()
                t.finish <- dockerclient.WaitResult{ExitCode: 0}
@@ -1250,18 +1287,9 @@ func (s *TestSuite) TestStdoutWithMountPointForFileUnderOutputDir(c *C) {
                        if strings.Index(collection["name"].(string), "output") == 0 {
                                manifest := collection["manifest_text"].(string)
 
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./a/b 307372fa8fd5c146b22ae7a45b49bc31+6 0:6:c.out"))
-
-                               origManifestWithDotReplacedAsFoo := strings.Replace(normalizedManifestWithSubdirs, "./", "./foo/", -1)
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo"+origManifestWithDotReplacedAsFoo[1:]))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 9:18:bar"))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo/sub1 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 0:9:file1_in_subdir1.txt 9:18:file2_in_subdir1.txt"))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396cabcdefghij6419876543234@569fa8c4 9:18:sub1file2"))
-
-                               c.Check(-1, Not(Equals), strings.Index(manifest, "./foo/bar 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0bcdefghijk544332211@569fa8c5 9:18:sub2file2"))
+                               c.Check(manifest, Equals, `./a/b 307372fa8fd5c146b22ae7a45b49bc31+6 0:6:c.out
+./foo 3e426d509afffb85e06c4c96a7c15e91+27+Aa124ac75e5168396c73c0abcdefgh11234567890@569fa8c3 10:17:bar
+`)
                        }
                }
        }