feat: add import support and unit tests for provider resources

terraform/provider/internal/resources/function_resource_test.go

@@ -0,0 +1,38 @@
+package resources
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+)
+
+func TestFunctionToUnstructuredAndBack(t *testing.T) {
+	input := functionResourceModel{
+		Name:        types.StringValue("fn-a"),
+		Environment: types.StringValue("env-a"),
+		PackageName: types.StringValue("pkg-a"),
+		Entrypoint:  types.StringValue("main.main"),
+	}
+
+	obj := functionToUnstructured(input, "default")
+	state := unstructuredToFunctionModel(obj, input)
+
+	if state.Name.ValueString() != "fn-a" {
+		t.Fatalf("unexpected name: %q", state.Name.ValueString())
+	}
+	if state.Environment.ValueString() != "env-a" {
+		t.Fatalf("unexpected environment: %q", state.Environment.ValueString())
+	}
+	if state.PackageName.ValueString() != "pkg-a" {
+		t.Fatalf("unexpected package_name: %q", state.PackageName.ValueString())
+	}
+	if state.Entrypoint.ValueString() != "main.main" {
+		t.Fatalf("unexpected entrypoint: %q", state.Entrypoint.ValueString())
+	}
+
+	invoke, found, err := unstructured.NestedMap(obj.Object, "spec", "InvokeStrategy")
+	if err != nil || !found || len(invoke) == 0 {
+		t.Fatalf("InvokeStrategy not set correctly")
+	}
+}