func TestDependency(t *testing.T) {
t.Parallel()
inRepo := "TestDependency_in"
require.NoError(t, btrfs.Init(inRepo))
p1 := `
image ubuntu
run echo foo >/out/foo
`
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "p1"), []byte(p1)))
p2 := `
image ubuntu
input pps://p1
run cp /in/p1/foo /out/foo
`
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "p2"), []byte(p2)))
require.NoError(t, btrfs.Commit(inRepo, "commit", "master"))
outPrefix := "TestDependency"
runner := NewRunner("pipeline", inRepo, outPrefix, "commit", "master", "0-1", etcache.NewCache())
require.NoError(t, runner.Run())
res, err := btrfs.ReadFile(path.Join(outPrefix, "p2", "commit", "foo"))
require.NoError(t, err)
require.Equal(t, "foo\n", string(res))
}
func TestRunnerInputs(t *testing.T) {
t.Parallel()
inRepo := "TestRunnerInputs_in"
require.NoError(t, btrfs.Init(inRepo))
p1 := `
image ubuntu
input foo
input bar
`
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "p1"), []byte(p1)))
p2 := `
image ubuntu
input fizz
input buzz
`
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "p2"), []byte(p2)))
require.NoError(t, btrfs.Commit(inRepo, "commit", "master"))
outPrefix := "TestRunnerInputs"
runner := NewRunner("pipeline", inRepo, outPrefix, "commit", "master", "0-1", etcache.NewCache())
inputs, err := runner.Inputs()
require.NoError(t, err)
require.Equal(t, []string{"foo", "bar", "fizz", "buzz"}, inputs)
}
// TestPipelines runs a 2 step pipeline.
func TestPipelines(t *testing.T) {
t.Parallel()
inRepo := "TestPipelines_in"
require.NoError(t, btrfs.Init(inRepo))
outPrefix := "TestPipelines_out"
// Create a data file:
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "data", "foo"), []byte("foo")))
// Create the Pachfile
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "cp"), []byte(`
image ubuntu
input data
run cp /in/data/foo /out/foo
run echo "foo"
`)))
require.NoError(t, btrfs.Commit(inRepo, "commit", "master"))
require.NoError(t, RunPipelines("pipeline", inRepo, outPrefix, "commit", "master", "0-1", etcache.NewCache()))
data, err := btrfs.ReadFile(path.Join(outPrefix, "cp", "commit", "foo"))
require.NoError(t, err)
require.Equal(t, "foo", string(data))
}
// TestRecover runs a pipeline with an error. Then fixes the pipeline to not
// include an error and reruns it.
func TestRecover(t *testing.T) {
t.Parallel()
inRepo := "TestRecover_in"
require.NoError(t, btrfs.Init(inRepo))
outPrefix := "TestRecover_out"
// Create the Pachfile
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "recover"), []byte(`
image ubuntu
run touch /out/foo
run touch /out/bar && cp /in/foo /out/bar
`)))
// Last line should fail here.
// Commit to the inRepo
require.NoError(t, btrfs.Commit(inRepo, "commit1", "master"))
// Run the pipelines
err := RunPipelines("pipeline", inRepo, outPrefix, "commit1", "master", "0-1", etcache.NewCache())
require.Error(t, err, "Running pipeline should error.")
// Fix the Pachfile
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "recover"), []byte(`
image ubuntu
run touch /out/foo
run touch /out/bar
`)))
// Commit to the inRepo
require.NoError(t, btrfs.Commit(inRepo, "commit2", "master"))
// Run the pipelines
err = RunPipelines("pipeline", inRepo, outPrefix, "commit2", "master", "0-1", etcache.NewCache())
// this time the pipelines should not err
require.NoError(t, err)
// These are the most important 2 checks:
// If this one fails it means that dirty state isn't properly saved
checkExists(t, path.Join(outPrefix, "recover", "commit1-fail/bar"))
// If this one fails it means that dirty state isn't properly cleared
checkNoExists(t, path.Join(outPrefix, "recover", "commit2-0/bar"))
// These commits are mostly covered by other tests
checkExists(t, path.Join(outPrefix, "recover", "commit1-fail/foo"))
checkExists(t, path.Join(outPrefix, "recover", "commit1-0/foo"))
checkNoExists(t, path.Join(outPrefix, "recover", "commit1-1"))
checkNoExists(t, path.Join(outPrefix, "recover", "commit1"))
checkExists(t, path.Join(outPrefix, "recover", "commit2-0/foo"))
checkExists(t, path.Join(outPrefix, "recover", "commit2-1/foo"))
checkExists(t, path.Join(outPrefix, "recover", "commit2-1/bar"))
checkExists(t, path.Join(outPrefix, "recover", "commit2/foo"))
checkExists(t, path.Join(outPrefix, "recover", "commit2/bar"))
}
func TestInputOutput(t *testing.T) {
t.Parallel()
// create the in repo
pipeline := newTestPipeline(t, "inputOutput", "commit", "master", "0-1", true)
// add data to it
err := btrfs.WriteFile(path.Join(pipeline.inRepo, "master", "data", "foo"), []byte("foo"))
require.NoError(t, err)
// commit data
err = btrfs.Commit(pipeline.inRepo, "commit", "master")
require.NoError(t, err)
pachfile := `
image ubuntu
input data
run cp /in/data/foo /out/foo
`
err = pipeline.runPachFile(strings.NewReader(pachfile))
require.NoError(t, err)
exists, err := btrfs.FileExists(path.Join(pipeline.outRepo, "commit-0", "foo"))
require.NoError(t, err)
require.True(t, exists, "File `foo` doesn't exist when it should.")
}
func TestCancel(t *testing.T) {
t.Parallel()
inRepo := "TestCancel_in"
require.NoError(t, btrfs.Init(inRepo))
outPrefix := "TestCancel_out"
// Create the Pachfile
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "cancel"), []byte(`
image ubuntu
run sleep 100
`)))
require.NoError(t, btrfs.Commit(inRepo, "commit", "master"))
r := NewRunner("pipeline", inRepo, outPrefix, "commit", "master", "0-1", etcache.NewCache())
go func() {
err := r.Run()
require.Equal(t, ErrCancelled, err)
}()
// This is just to make sure we don't trigger the early exit case in Run
// and actually exercise the code.
time.Sleep(time.Second * 2)
require.NoError(t, r.Cancel())
}
// TestError makes sure that we handle commands that error correctly.
func TestError(t *testing.T) {
t.Parallel()
inRepo := "TestError_in"
require.NoError(t, btrfs.Init(inRepo))
outPrefix := "TestError_out"
// Create the Pachfile
require.NoError(t, btrfs.WriteFile(path.Join(inRepo, "master", "pipeline", "error"), []byte(`
image ubuntu
run touch /out/foo
run cp /in/foo /out/bar
`)))
// Last line should fail here.
// Commit to the inRepo
require.NoError(t, btrfs.Commit(inRepo, "commit", "master"))
err := RunPipelines("pipeline", inRepo, outPrefix, "commit", "master", "0-1", etcache.NewCache())
require.Error(t, err, "Running pipeline should error.")
// Check that foo exists
exists, err := btrfs.FileExists(path.Join(outPrefix, "error", "commit-0", "foo"))
require.NoError(t, err)
require.True(t, exists, "File foo should exist.")
// Check that commit doesn't exist
exists, err = btrfs.FileExists(path.Join(outPrefix, "error", "commit"))
require.NoError(t, err)
require.False(t, exists, "Commit \"commit\" should not get created when a command fails.")
}
// TestScrape tests a the scraper pipeline
func TestScrape(t *testing.T) {
// TODO(any): what?? wget is not found in the container if parallel is set
//t.Parallel()
pipeline := newTestPipeline(t, "scrape", "commit", "master", "0-1", true)
// Create a url to scrape
require.NoError(t, btrfs.WriteFile(path.Join(pipeline.inRepo, "master", "urls", "1"), []byte("pachyderm.io")))
// Commit the data
require.NoError(t, btrfs.Commit(pipeline.inRepo, "commit", "master"))
// Create a pipeline to run
pachfile := `
image pachyderm/scraper
input urls
run cat /in/urls/* | xargs wget -P /out
`
err := pipeline.runPachFile(strings.NewReader(pachfile))
exists, err := btrfs.FileExists(path.Join(pipeline.outRepo, "commit", "index.html"))
require.NoError(t, err)
require.True(t, exists, "pachyderm.io should exist")
}