PythonMutator: Add tests for import

.github/workflows/push.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Set go env
         run: |

bundle/tests/python_import/dataclass_no_wheel/databricks.yml

@@ -0,0 +1,15 @@
+bundle:
+  name: python-import-dataclass-no-wheel
+
+experimental:
+  pydabs:
+    enabled: true
+    import:
+    - "my_job"
+
+variables:
+  default_cluster_spec:
+    type: complex
+    value:
+      num_workers: 1
+      spark_version: "15.4.x-scala2.12"

bundle/tests/python_import/dataclass_no_wheel/notebooks/my_notebook.py

@@ -0,0 +1,2 @@
+# Databricks Notebook Source
+1+1

bundle/tests/python_import/dataclass_no_wheel/src/my_job.py

@@ -0,0 +1,22 @@
+from databricks.bundles.jobs import Job, Task, NotebookTask, JobCluster
+from databricks.bundles.variables import Bundle
+
+my_job = Job(
+    name="Test Job",
+    resource_name="my_job",
+    job_clusters=[
+        JobCluster(
+            job_cluster_key="my_cluster",
+            new_cluster=Bundle.variables.default_cluster_spec,
+        ),
+    ],
+    tasks=[
+        Task(
+            task_key="my_notebook_task",
+            job_cluster_key="my_cluster",
+            notebook_task=NotebookTask(
+                notebook_path="notebooks/my_notebook.py",
+            ),
+        ),
+    ],
+)

bundle/tests/python_import_test.go

@@ -0,0 +1,95 @@
+package config_tests
+
+import (
+	"os"
+	"os/exec"
+	pathlib "path"
+	"runtime"
+	"testing"
+
+	"github.com/databricks/cli/bundle/config/resources"
+	"github.com/databricks/cli/libs/dyn"
+	"github.com/databricks/databricks-sdk-go/service/jobs"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/exp/maps"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPythonImport_dataclass_no_wheel(t *testing.T) {
+	activateVEnv(t)
+	setPythonPath(t, "python_import/dataclass_no_wheel/src")
+
+	expected := &resources.Job{
+		JobSettings: &jobs.JobSettings{
+			Name: "Test Job",
+			JobClusters: []jobs.JobCluster{
+				{
+					JobClusterKey: "my_cluster",
+				},
+			},
+			Tasks: []jobs.Task{
+				{
+					NotebookTask: &jobs.NotebookTask{
+						NotebookPath: "notebooks/my_notebook.py",
+					},
+					JobClusterKey: "my_cluster",
+					TaskKey:       "my_notebook_task",
+				},
+			},
+		},
+	}
+
+	b := load(t, "./python_import/dataclass_no_wheel")
+
+	assert.Equal(t, []string{"my_job"}, maps.Keys(b.Config.Resources.Jobs))
+
+	myJob := b.Config.Resources.Jobs["my_job"]
+	assert.Equal(t, expected, myJob)
+
+	// NewCluster is reference to a variable and needs to be checked separately
+	err := b.Config.Mutate(func(value dyn.Value) (dyn.Value, error) {
+		path := dyn.MustPathFromString("resources.jobs.my_job.job_clusters[0].new_cluster")
+		value, err := dyn.GetByPath(value, path)
+		if err != nil {
+			return dyn.InvalidValue, err
+		}
+
+		assert.Equal(t, "${var.default_cluster_spec}", value.AsAny())
+
+		return value, nil
+	})
+	require.NoError(t, err)
+}
+
+func setPythonPath(t *testing.T, path string) {
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+	t.Setenv("PYTHONPATH", pathlib.Join(wd, path))
+}
+
+func activateVEnv(t *testing.T) {
+	dir := t.TempDir()
+	venvDir := pathlib.Join(dir, "venv")
+
+	err := exec.Command("python3", "-m", "venv", venvDir).Run()
+	require.NoError(t, err, "failed to create venv")
+
+	// we don't have shell to activate venv, updating PATH is enough
+
+	var venvBinDir string
+	if runtime.GOOS == "windows" {
+		venvBinDir = pathlib.Join(venvDir, "Scripts")
+		t.Setenv("PATH", venvBinDir+";"+os.Getenv("PATH"))
+	} else {
+		venvBinDir = pathlib.Join(venvDir, "bin")
+		t.Setenv("PATH", venvBinDir+":"+os.Getenv("PATH"))
+	}
+
+	err = exec.Command(
+		pathlib.Join(venvBinDir, "pip"),
+		"install",
+		"databricks-pydabs==0.5.1",
+	).Run()
+	require.NoError(t, err, "failed to install databricks-pydabs")
+}