func TestAufsPlacerCompliance(t *testing.T) {
Convey("Aufs placers make data appear into place", t,
testutil.Requires(
testutil.RequiresMounts,
testutil.WithTmpdir(func() {
CheckAssemblerGetsDataIntoPlace(defaultAssembler{Placer: NewAufsPlacer("./aufs-layers")}.Assemble)
}),
),
)
Convey("Aufs placers support readonly placement", t,
testutil.Requires(
testutil.RequiresMounts,
testutil.WithTmpdir(func() {
CheckAssemblerRespectsReadonly(defaultAssembler{Placer: NewAufsPlacer("./aufs-layers")}.Assemble)
}),
),
)
Convey("Aufs placers support source isolation", t,
testutil.Requires(
testutil.RequiresMounts,
testutil.WithTmpdir(func() {
CheckAssemblerIsolatesSource(defaultAssembler{Placer: NewAufsPlacer("./aufs-layers")}.Assemble)
}),
),
)
}
func Test(t *testing.T) {
// uncomment for an example output
// Convey("Describe fixture Beta", t, func() {
// Println() // goconvey seems to do alignment rong in cli out of box :I
// Println(Beta.Describe(CompareAll))
// })
Convey("All fixtures should be able to apply their content to an empty dir", t,
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
for _, fixture := range All {
Convey(fmt.Sprintf("- Fixture %q", fixture.Name), func() {
fixture.Create(".")
So(true, ShouldBeTrue) // reaching here is success
})
}
}),
),
)
Convey("Applying a fixture and rescanning it should produce identical descriptions", t,
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
for _, fixture := range All {
Convey(fmt.Sprintf("- Fixture %q", fixture.Name), func() {
fixture.Create(".")
reheat := Scan(".")
So(reheat.Describe(CompareDefaults), ShouldEqual, fixture.Describe(CompareDefaults))
})
}
}),
),
)
Convey("Symlink breakouts should be refuted", t, FailureContinues,
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
// this is a sketchy, unsandboxed test.
// I hope you don't have anything in /tmp/dangerzone, and/or that you're running the entire suite in a vm.
os.RemoveAll("/tmp/dangerzone")
Convey("With a relative basepath", func() {
So(func() { Breakout.Create(".") }, testutil.ShouldPanicWith, fs.BreakoutError)
_, err := os.Stat("/tmp/dangerzone/laaaaanaaa")
So(err, ShouldNotBeNil) // if nil err, oh my god, it exists
})
Convey("With an absolute basepath", func() {
pwd, err := os.Getwd()
So(err, ShouldBeNil)
So(func() { Breakout.Create(pwd) }, testutil.ShouldPanicWith, fs.BreakoutError)
_, err = os.Stat("/tmp/dangerzone/laaaaanaaa")
So(err, ShouldNotBeNil) // if nil err, oh my god, it exists
})
}),
),
)
}
func TestBindPlacerCompliance(t *testing.T) {
Convey("Bind placers make data appear into place", t,
testutil.Requires(
testutil.RequiresMounts,
func() {
CheckAssemblerGetsDataIntoPlace(defaultAssembler{Placer: BindPlacer}.Assemble)
},
),
)
Convey("Bind placers support readonly placement", t,
testutil.Requires(
testutil.RequiresMounts,
func() {
CheckAssemblerRespectsReadonly(defaultAssembler{Placer: BindPlacer}.Assemble)
},
),
)
// Not Supported: CheckAssemblerIsolatesSource // (use AufsPlacer for that)
}
func Test(t *testing.T) {
Convey("Spec Compliance: Chroot Executor", t,
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
execEng := &Executor{}
execEng.Configure("chroot_workspace")
So(os.Mkdir(execEng.workspacePath, 0755), ShouldBeNil)
tests.CheckBasicExecution(execEng)
tests.CheckFilesystemContainment(execEng)
tests.CheckPwdBehavior(execEng)
tests.CheckEnvBehavior(execEng)
}),
),
)
}
func TestTarOutputCompat(t *testing.T) {
Convey("Output should produce a tar recognizable to gnu tar", t,
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
for _, fixture := range filefixture.All {
Convey(fmt.Sprintf("- Fixture %q", fixture.Name), func() {
// create fixture
fixture.Create("./data")
// scan it
transmat := New("./workdir")
transmat.Scan(
Kind,
"./data",
[]integrity.SiloURI{
integrity.SiloURI("file://output.tar"),
},
)
// sanity check that there's a file.
So("./output.tar", testutil.ShouldBeFile, os.FileMode(0))
// now exec tar, and check that it doesn't barf outright.
// this is not well isolated from the host; consider improving that a todo.
os.Mkdir("./untar", 0755)
tarProc := gosh.Gosh(
"tar",
"-xf", "./output.tar",
"-C", "./untar",
gosh.NullIO,
).RunAndReport()
So(tarProc.GetExitCode(), ShouldEqual, 0)
// should look roughly the same again even bounced through
// some third-party tar implementation, one would hope.
rescan := filefixture.Scan("./untar")
comparisonLevel := filefixture.CompareDefaults &^ filefixture.CompareSubsecond
So(rescan.Describe(comparisonLevel), ShouldEqual, fixture.Describe(comparisonLevel))
})
}
}),
),
)
}
func Test(t *testing.T) {
Convey("Spec Compliance: nsinit Executor", t,
testutil.Requires(
testutil.RequiresRoot,
testutil.RequiresNamespaces,
testutil.WithTmpdir(func() {
execEng := &Executor{}
execEng.Configure("nsinit_workspace")
So(os.Mkdir(execEng.workspacePath, 0755), ShouldBeNil)
//tests.CheckBasicExecution(execEng) // correct error reporting sections fail spec compliance
tests.CheckFilesystemContainment(execEng)
//tests.CheckPwdBehavior(execEng) // correct error reporting sections fail spec compliance
tests.CheckEnvBehavior(execEng)
}),
),
)
}
func CheckAssemblerIsolatesSource(assemblerFn integrity.Assembler) {
Convey("Writing to a placement should not alter the source",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
assembly := assemblerFn("./assembled", []integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: true},
})
defer assembly.Teardown()
f, err := os.OpenFile("./assembled/newfile", os.O_CREATE, 0644)
defer f.Close()
So(err, ShouldBeNil)
scan := filefixture.Scan("./material/alpha")
So(scan.Describe(filefixture.CompareDefaults), ShouldEqual, filefixture.Alpha.Describe(filefixture.CompareDefaults))
}),
),
)
}
func CheckAssemblerRespectsReadonly(assemblerFn integrity.Assembler) {
Convey("Writing to a readonly placement should return EROFS",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
assembly := assemblerFn("./assembled", []integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: false},
})
defer assembly.Teardown()
f, err := os.OpenFile("./assembled/newfile", os.O_CREATE, 0644)
defer f.Close()
So(err, ShouldNotBeNil)
So(err, ShouldHaveSameTypeAs, &os.PathError{})
So(err.(*os.PathError).Err, ShouldEqual, syscall.EROFS)
}),
),
)
}
func CheckScanWithoutMutation(kind integrity.TransmatKind, transmatFabFn integrity.TransmatFactory) {
Convey("SPEC: Scanning a filesystem shouldn't change it", testutil.Requires(
testutil.RequiresRoot,
func() {
for _, fixture := range filefixture.All {
transmat := transmatFabFn("./workdir")
Convey(fmt.Sprintf("- Fixture %q", fixture.Name), func() {
// set up fixture
fixture.Create("./data")
// scan it with the transmat
transmat.Scan(kind, "./data", nil)
// rescan it with the test system
rescan := filefixture.Scan("./data")
// should be unchanged
So(rescan.Describe(filefixture.CompareDefaults), ShouldEqual, fixture.Describe(filefixture.CompareDefaults))
})
}
},
))
}
func Test(t *testing.T) {
// Run from the top-level directory to avoid "../" irritants.
// Optional TODO: upgrade repeatr to understand how to be relative to a directory.
err := os.Chdir("..")
if err != nil {
panic(err)
}
Convey("It should not crash without args", t, func() {
Main(baseArgs, ioutil.Discard, ioutil.Discard)
})
Convey("It should run a basic example", t,
testutil.Requires(
testutil.RequiresRoot,
testutil.RequiresNamespaces,
func(c C) {
w := testutil.Writer{c}
Main(append(baseArgs, "run", "-i", "lib/integration/unittest.json"), w, w)
},
),
)
}
// you probs want to create that assembler with a variety of placers
func CheckAssemblerGetsDataIntoPlace(assemblerFn integrity.Assembler) {
Convey("Assembly with just a root fs works",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
assembleAndScan(
assemblerFn,
[]integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha"},
},
filefixture.Alpha,
)
}),
),
)
Convey("Assembly with one placement into an existing dir works",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
filefixture.Beta.Create("./material/beta")
assembleAndScan(
assemblerFn,
[]integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: true},
{TargetPath: "/a", SourcePath: "./material/beta", Writable: true},
},
filefixture.ConjoinFixtures([]filefixture.FixtureAssemblyPart{
{TargetPath: "/", Fixture: filefixture.Alpha},
{TargetPath: "/a", Fixture: filefixture.Beta},
}),
)
}),
),
)
Convey("Assembly with one placement into an implicitly-created dir works",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
filefixture.Beta.Create("./material/beta")
assembleAndScan(
assemblerFn,
[]integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: true},
{TargetPath: "/q", SourcePath: "./material/beta", Writable: true},
},
filefixture.ConjoinFixtures([]filefixture.FixtureAssemblyPart{
{TargetPath: "/", Fixture: filefixture.Alpha},
{TargetPath: "/q", Fixture: filefixture.Beta},
}),
)
}),
),
)
Convey("Assembly with overlapping placements shows only top layer",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
filefixture.Beta.Create("./material/beta")
assembleAndScan(
assemblerFn,
[]integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: true},
// this one's interesting because ./b/c is already a file
{TargetPath: "/b", SourcePath: "./material/beta", Writable: true},
},
filefixture.ConjoinFixtures([]filefixture.FixtureAssemblyPart{
{TargetPath: "/", Fixture: filefixture.Alpha},
{TargetPath: "/b", Fixture: filefixture.Beta},
}),
)
}),
),
)
Convey("Assembly using the same base twice works",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
filefixture.Beta.Create("./material/beta")
assembleAndScan(
assemblerFn,
[]integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: true},
{TargetPath: "/q", SourcePath: "./material/beta", Writable: true},
{TargetPath: "/w", SourcePath: "./material/beta", Writable: true},
},
filefixture.ConjoinFixtures([]filefixture.FixtureAssemblyPart{
{TargetPath: "/", Fixture: filefixture.Alpha},
{TargetPath: "/q", Fixture: filefixture.Beta},
{TargetPath: "/w", Fixture: filefixture.Beta},
}),
)
}),
),
)
Convey("Assembly with implicitly created deep dirs works",
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
filefixture.Alpha.Create("./material/alpha")
filefixture.Beta.Create("./material/beta")
assembleAndScan(
assemblerFn,
[]integrity.AssemblyPart{
{TargetPath: "/", SourcePath: "./material/alpha", Writable: true},
{TargetPath: "/a", SourcePath: "./material/beta", Writable: true},
{TargetPath: "/d/d/d", SourcePath: "./material/beta", Writable: true},
},
filefixture.Fixture{Files: []filefixture.FixtureFile{
{fs.Metadata{Name: ".", Mode: 0755, ModTime: time.Unix(1000, 2000)}, nil}, // even though the basedir was made by the assembler, this should have the rootfs's properties overlayed onto it
{fs.Metadata{Name: "./a"}, nil}, // this one's mode and times should be overlayed by the second mount
{fs.Metadata{Name: "./a/1"}, []byte{}},
{fs.Metadata{Name: "./a/2"}, []byte{}},
{fs.Metadata{Name: "./a/3"}, []byte{}},
{fs.Metadata{Name: "./b", Mode: 0750, ModTime: time.Unix(5000, 2000)}, nil},
{fs.Metadata{Name: "./b/c", Mode: 0664, ModTime: time.Unix(7000, 2000)}, []byte("zyx")},
{fs.Metadata{Name: "./d", Uid: -1, Gid: -1}, nil}, // these should have been manifested by the assembler
{fs.Metadata{Name: "./d/d", Uid: -1, Gid: -1}, nil},
{fs.Metadata{Name: "./d/d/d"}, nil},
{fs.Metadata{Name: "./d/d/d/1"}, []byte{}},
{fs.Metadata{Name: "./d/d/d/2"}, []byte{}},
{fs.Metadata{Name: "./d/d/d/3"}, []byte{}},
}}.Defaults(),
)
}),
),
)
// additional coverage todos:
// - failure path: placement that overlaps a file somewhere
// - everything about changes and ensuring they're isolated... deserves a whole battery
}
/*
Checks round-trip hash consistency for the input and output halves of a transmat system.
- Creates a fixture filesystem
- Scans it with the output system
- Places it in a new filesystem with the input system and the scanned hash
- Checks the new filesystem matches the original
*/
func CheckRoundTrip(kind integrity.TransmatKind, transmatFabFn integrity.TransmatFactory, bounceURI string, addtnlDesc ...string) {
Convey("SPEC: Round-trip scanning and remaking a filesystem should agree on hash and content"+testutil.AdditionalDescription(addtnlDesc...), testutil.Requires(
testutil.RequiresRoot,
func() {
transmat := transmatFabFn("./workdir")
for _, fixture := range filefixture.All {
Convey(fmt.Sprintf("- Fixture %q", fixture.Name), FailureContinues, func() {
uris := []integrity.SiloURI{integrity.SiloURI(bounceURI)}
// setup fixture
fixture.Create("./fixture")
// scan it with the transmat
dataHash := transmat.Scan(kind, "./fixture", uris)
// materialize what we just scanned (along the way, requires hash match)
arena := transmat.Materialize(kind, dataHash, uris, integrity.AcceptHashMismatch)
// assert hash match
// (normally survival would attest this, but we used the `AcceptHashMismatch` to supress panics in the name of letting the test see more after failures.)
So(arena.Hash(), ShouldEqual, dataHash)
// check filesystem to match original fixture
// (do this check even if the input raised a hash mismatch, because it can help show why)
rescan := filefixture.Scan(arena.Path())
comparisonLevel := filefixture.CompareDefaults &^ filefixture.CompareSubsecond
So(rescan.Describe(comparisonLevel), ShouldEqual, fixture.Describe(comparisonLevel))
})
}
},
))
}
func TestGitLocalFileInputCompat(t *testing.T) {
// note that this test eschews use of regular file fixtures for a few reasons:
// - because it's capable of working without root if it doesn't try to chown
// - because we're doing custom content anyway so we have multiple commits
// both of these could be addressed with upgrades to filefixtures in the future.
Convey("Given a local git repo", t, testutil.Requires(
testutil.WithTmpdir(func() {
git := git.Bake(gosh.Opts{Env: map[string]string{
"GIT_AUTHOR_NAME": "repeatr",
"GIT_AUTHOR_EMAIL": "repeatr",
"GIT_COMMITTER_NAME": "repeatr",
"GIT_COMMITTER_EMAIL": "repeatr",
}})
var dataHash_1 integrity.CommitID
var dataHash_2 integrity.CommitID
var dataHash_3 integrity.CommitID
git.Bake("init", "--", "repo-a").RunAndReport()
testutil.UsingDir("repo-a", func() {
git.Bake("commit", "--allow-empty", "-m", "testrepo-a initial commit").RunAndReport()
dataHash_1 = integrity.CommitID(strings.Trim(git.Bake("rev-parse", "HEAD").Output(), "\n"))
ioutil.WriteFile("file-a", []byte("abcd"), 0644)
git.Bake("add", ".").RunAndReport()
git.Bake("commit", "-m", "testrepo-a commit 1").RunAndReport()
dataHash_2 = integrity.CommitID(strings.Trim(git.Bake("rev-parse", "HEAD").Output(), "\n"))
ioutil.WriteFile("file-e", []byte("efghi"), 0644)
git.Bake("add", ".").RunAndReport()
git.Bake("commit", "-m", "testrepo-a commit 2").RunAndReport()
dataHash_3 = integrity.CommitID(strings.Trim(git.Bake("rev-parse", "HEAD").Output(), "\n"))
})
transmat := New("./workdir")
Convey("Materialization should be able to produce the latest commit", FailureContinues, func() {
uris := []integrity.SiloURI{integrity.SiloURI("./repo-a")}
// materialize from the ID returned by foreign git
arena := transmat.Materialize(Kind, dataHash_3, uris, integrity.AcceptHashMismatch)
// assert hash match
// (normally survival would attest this, but we used the `AcceptHashMismatch` to supress panics in the name of letting the test see more after failures.)
So(arena.Hash(), ShouldEqual, dataHash_3)
// check filesystem to loosely match the original fixture
So(filepath.Join(arena.Path(), "file-a"), testutil.ShouldBeFile)
So(filepath.Join(arena.Path(), "file-e"), testutil.ShouldBeFile)
So(filepath.Join(arena.Path(), ".git"), testutil.ShouldBeNotFile)
})
Convey("Materialization should be able to produce older commits", FailureContinues, func() {
uris := []integrity.SiloURI{integrity.SiloURI("./repo-a")}
// materialize from the ID returned by foreign git
arena := transmat.Materialize(Kind, dataHash_2, uris, integrity.AcceptHashMismatch)
// assert hash match
// (normally survival would attest this, but we used the `AcceptHashMismatch` to supress panics in the name of letting the test see more after failures.)
So(arena.Hash(), ShouldEqual, dataHash_2)
// check filesystem to loosely match the original fixture
So(filepath.Join(arena.Path(), "file-a"), testutil.ShouldBeFile)
So(filepath.Join(arena.Path(), "file-e"), testutil.ShouldBeNotFile)
So(filepath.Join(arena.Path(), ".git"), testutil.ShouldBeNotFile)
})
})),
)
// TODO you really should do this with a fixture loop
// but that does also leave questions about multi-commits, branches, etc.
// so do both i guess.
//filefixture.Beta.Create("repo-a")
}
func TestTarInputCompat(t *testing.T) {
projPath, _ := os.Getwd()
projPath = filepath.Dir(filepath.Dir(filepath.Dir(projPath)))
Convey("Unpacking tars should match exec untar", t,
testutil.Requires(testutil.RequiresRoot, testutil.WithTmpdir(func() {
checkEquivalence := func(hash, filename string, paveBase bool) {
transmat := New("./workdir/tar")
// apply it; hope it doesn't blow up
arena := transmat.Materialize(
integrity.TransmatKind("tar"),
integrity.CommitID(hash),
[]integrity.SiloURI{
integrity.SiloURI("file://" + filename),
},
)
defer arena.Teardown()
// do a native untar; since we don't have an upfront fixture
// for this thing, we'll compare the two as filesystems.
// this is not well isolated from the host; consider improving that a todo.
os.Mkdir("./untar", 0755)
tarProc := gosh.Gosh(
"tar",
"-xf", filename,
"-C", "./untar",
gosh.NullIO,
).RunAndReport()
So(tarProc.GetExitCode(), ShouldEqual, 0)
// native untar may or may not have an opinion about the base dir, depending on how it was formed.
// but our scans do, so, if the `paveBase` flag was set to warn us that the tar was missing an "./" entry, flatten that here.
if paveBase {
So(fspatch.LUtimesNano("./untar", def.Epochwhen, def.Epochwhen), ShouldBeNil)
}
// scan and compare
scan1 := filefixture.Scan(arena.Path())
scan2 := filefixture.Scan("./untar")
// boy, that's entertaining though: gnu tar does all the same stuff,
// except it doesn't honor our nanosecond timings.
// also exclude bodies because they're *big*.
comparisonLevel := filefixture.CompareDefaults &^ filefixture.CompareSubsecond &^ filefixture.CompareBody
So(scan1.Describe(comparisonLevel), ShouldEqual, scan2.Describe(comparisonLevel))
}
Convey("Given a fixture tarball complete with base dir", func() {
checkEquivalence(
"BX0jm4jRNCg1KMbZfv4zp7ZaShx9SUXKaDrO-Xy6mWIoWOCFP5VnDHDDR3nU4PrR",
filepath.Join(projPath, "data/fixture/tar_withBase.tgz"),
false,
)
})
Convey("Given a fixture tarball lacking base dir", func() {
checkEquivalence(
"ZdV3xhCGWeJmsfeHpDF4nF9stwvdskYwcepKMcOf7a2ziax1YGjQvGTJjRWFkvG1",
filepath.Join(projPath, "data/fixture/tar_sansBase.tgz"),
true,
)
})
Convey("Given a fixture tarball containing ubuntu",
testutil.Requires(testutil.RequiresLongRun, func() {
checkEquivalence(
ubuntuTarballHash,
filepath.Join(projPath, "assets/ubuntu.tar.gz"),
true,
)
}),
)
})),
)
Convey("Bouncing unusual tars should match hash", t,
// where really all "unusual" means is "valid tar, but not from our own cannonical output".
testutil.Requires(
testutil.RequiresRoot,
testutil.WithTmpdir(func() {
checkBounce := func(hash, filename string) {
transmat := New("./workdir/tar")
// apply it; hope it doesn't blow up
arena := transmat.Materialize(
integrity.TransmatKind("tar"),
integrity.CommitID(hash),
[]integrity.SiloURI{
integrity.SiloURI("file://" + filename),
},
)
defer arena.Teardown()
// scan and compare
commitID := transmat.Scan(integrity.TransmatKind("tar"), arena.Path(), nil)
// debug: gosh.Sh("tar", "--utc", "-xOvf", filename)
So(commitID, ShouldEqual, integrity.CommitID(hash))
}
Convey("Given a fixture tarball complete with base dir", func() {
checkBounce(
"BX0jm4jRNCg1KMbZfv4zp7ZaShx9SUXKaDrO-Xy6mWIoWOCFP5VnDHDDR3nU4PrR",
filepath.Join(projPath, "data/fixture/tar_withBase.tgz"),
)
})
Convey("Given a fixture tarball lacking base dir", func() {
checkBounce(
"ZdV3xhCGWeJmsfeHpDF4nF9stwvdskYwcepKMcOf7a2ziax1YGjQvGTJjRWFkvG1",
filepath.Join(projPath, "data/fixture/tar_sansBase.tgz"),
)
})
// this won't fly until we support hardlinks; the original asset uses them.
// Convey("Given a fixture tarball containing ubuntu",
// testutil.Requires(testutil.RequiresLongRun, func() {
// checkBounce(
// ubuntuTarballHash,
// filepath.Join(projPath, "assets/ubuntu.tar.gz"),
// )
// }),
// )
}),
),
)
}
func CheckScanWithFilters(kind integrity.TransmatKind, transmatFabFn integrity.TransmatFactory) {
Convey("SPEC: Filesystems only differing by mtime should have same hash after mtime filter", testutil.Requires(
testutil.RequiresRoot,
func() {
transmat := transmatFabFn("./workdir")
// set up fixtures
filefixture.Alpha.Create("./alpha1")
filefixture.Alpha.Create("./alpha2")
// overwrite the time on one of them -- can be nonconstant value, even; that's sorta the point.
So(os.Chtimes("./alpha2/a", time.Now(), time.Now()), ShouldBeNil)
// set up a filter. can set their times to anything, as long as its the same
filt := filter.MtimeFilter{time.Unix(1000000, 9000)}
// scan both filesystems with the transmat
commitID1 := transmat.Scan(kind, "./alpha1", nil, integrity.UseFilter(filt))
commitID2 := transmat.Scan(kind, "./alpha2", nil, integrity.UseFilter(filt))
// should be same
So(commitID2, ShouldEqual, commitID1)
}),
)
Convey("SPEC: Filesystems only differing by uid/gid should have same hash after filter", testutil.Requires(
testutil.RequiresRoot,
func() {
transmat := transmatFabFn("./workdir")
// set up fixtures
filefixture.Alpha.Create("./alpha1")
filefixture.Alpha.Create("./alpha2")
// overwrite the time on one of them -- can be nonconstant value, even; that's sorta the point.
So(os.Chown("./alpha2/a", 908234, 20954), ShouldBeNil)
// set up a filter. can set their times to anything, as long as its the same
ufilt := filter.UidFilter{10401}
gfilt := filter.GidFilter{10401}
// scan both filesystems with the transmat
commitID1 := transmat.Scan(kind, "./alpha1", nil, integrity.UseFilter(ufilt), integrity.UseFilter(gfilt))
commitID2 := transmat.Scan(kind, "./alpha2", nil, integrity.UseFilter(ufilt), integrity.UseFilter(gfilt))
// should be same
So(commitID2, ShouldEqual, commitID1)
}),
)
}
func CheckScanProducesDistinctHashes(kind integrity.TransmatKind, transmatFabFn integrity.TransmatFactory) {
Convey("SPEC: Applying the output to two different filesystems should produce different hashes", testutil.Requires(
testutil.RequiresRoot,
func() {
transmat := transmatFabFn("./workdir")
// set up fixtures
filefixture.Alpha.Create("./alpha")
filefixture.Beta.Create("./beta")
// scan both filesystems with the transmat
commitID1 := transmat.Scan(kind, "./alpha", nil)
commitID2 := transmat.Scan(kind, "./beta", nil)
// should be distinct
So(commitID2, ShouldNotEqual, commitID1)
}),
)
}
func CheckScanProducesConsistentHash(kind integrity.TransmatKind, transmatFabFn integrity.TransmatFactory) {
Convey("SPEC: Applying the output to a filesystem twice should produce the same hash", testutil.Requires(
testutil.RequiresRoot,
func() {
for _, fixture := range filefixture.All {
transmat := transmatFabFn("./workdir")
Convey(fmt.Sprintf("- Fixture %q", fixture.Name), func() {
// set up fixture
fixture.Create("./data")
// scan it with the transmat
commitID1 := transmat.Scan(kind, "./data", nil)
// scan it with again
commitID2 := transmat.Scan(kind, "./data", nil)
// should be same output
So(commitID2, ShouldEqual, commitID1)
})
}
},
))
}