Allow use of file library in pipeline (#308)

## Changes

This requires databricks/databricks-sdk-go#359.

## Tests

Tests pass and ran manual verification of deployment with files.

bundle/config/mutator/translate_paths.go

@@ -115,6 +115,13 @@ func (m *translatePaths) translatePipelineLibrary(b *bundle.Bundle, library *pip
 		}
 	}
 
+	if library.File != nil {
+		err = m.rewritePath(b, &library.File.Path, m.translateFilePath)
+		if err != nil {
+			return err
+		}
+	}
+
 	return nil
 }
 

bundle/config/mutator/translate_paths_test.go

@@ -99,6 +99,11 @@ func TestTranslatePaths(t *testing.T) {
 								{
 									Jar: "foo",
 								},
+								{
+									File: &pipelines.FileLibrary{
+										Path: "./my_python_file.py",
+									},
+								},
 							},
 						},
 					},
@@ -148,6 +153,11 @@ func TestTranslatePaths(t *testing.T) {
 		"/bundle/my_pipeline_notebook",
 		bundle.Config.Resources.Pipelines["pipeline"].Libraries[2].Notebook.Path,
 	)
+	assert.Equal(
+		t,
+		"/bundle/my_python_file.py",
+		bundle.Config.Resources.Pipelines["pipeline"].Libraries[4].File.Path,
+	)
 }
 
 func TestJobNotebookDoesNotExistError(t *testing.T) {

bundle/deploy/terraform/convert_test.go

@@ -9,6 +9,7 @@ import (
 	"github.com/databricks/databricks-sdk-go/service/jobs"
 	"github.com/databricks/databricks-sdk-go/service/libraries"
 	"github.com/databricks/databricks-sdk-go/service/mlflow"
+	"github.com/databricks/databricks-sdk-go/service/pipelines"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -108,6 +109,39 @@ func TestConvertJobTaskLibraries(t *testing.T) {
 	assert.Equal(t, "mlflow", out.Resource.Job["my_job"].Task[0].Library[0].Pypi.Package)
 }
 
+func TestConvertPipeline(t *testing.T) {
+	var src = resources.Pipeline{
+		PipelineSpec: &pipelines.PipelineSpec{
+			Name: "my pipeline",
+			Libraries: []pipelines.PipelineLibrary{
+				{
+					Notebook: &pipelines.NotebookLibrary{
+						Path: "notebook path",
+					},
+				},
+				{
+					File: &pipelines.FileLibrary{
+						Path: "file path",
+					},
+				},
+			},
+		},
+	}
+
+	var config = config.Root{
+		Resources: config.Resources{
+			Pipelines: map[string]*resources.Pipeline{
+				"my_pipeline": &src,
+			},
+		},
+	}
+
+	out := BundleToTerraform(&config)
+	assert.Equal(t, "my pipeline", out.Resource.Pipeline["my_pipeline"].Name)
+	assert.Len(t, out.Resource.Pipeline["my_pipeline"].Library, 2)
+	assert.Nil(t, out.Data)
+}
+
 func TestConvertPipelinePermissions(t *testing.T) {
 	var src = resources.Pipeline{
 		Permissions: []resources.Permission{