fix(data_source/authorization_model): Fixed null pointer error (#15)

Author: mauriceackel

internal/provider/authorizationmodel/authorization_model_client.go

@@ -2,6 +2,7 @@ package authorizationmodel
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/hashicorp/terraform-plugin-framework/types"
 
@@ -78,6 +79,10 @@ func (wrapper *AuthorizationModelClient) ReadLatestAuthorizationModel(ctx contex
 		return nil, err
 	}
 
+	if response.AuthorizationModel == nil {
+		return nil, fmt.Errorf("unable to find authorization model")
+	}
+
 	authorizationModel := *response.AuthorizationModel
 
 	return NewAuthorizationModelModelFromAuthorizationModel(authorizationModel), nil

internal/provider/authorizationmodel/authorization_model_data_source_test.go

@@ -2,6 +2,7 @@ package authorizationmodel_test
 
 import (
 	"fmt"
+	"regexp"
 	"testing"
 
 	"github.com/hashicorp/terraform-plugin-testing/helper/resource"
@@ -17,6 +18,11 @@ func TestAccAuthorizationModelDataSource(t *testing.T) {
 		PreCheck:                 func() { acceptance.TestAccPreCheck(t) },
 		ProtoV6ProviderFactories: acceptance.TestAccProtoV6ProviderFactories,
 		Steps: []resource.TestStep{
+			// Test no model
+			{
+				Config:      testAccAuthorizationModelDataSourceConfigNoModel(),
+				ExpectError: regexp.MustCompile("Client Error"),
+			},
 			// Read testing
 			{
 				Config: testAccAuthorizationModelDataSourceConfig(),
@@ -45,6 +51,20 @@ func TestAccAuthorizationModelDataSource(t *testing.T) {
 const expectedFirstAuthorizationModelDataSourceModelJson = `{"conditions":{},"schema_version":"1.1","type_definitions":[{"relations":{},"type":"document"}]}`
 const expectedLatestAuthorizationModelDataSourceModelJson = `{"conditions":{},"schema_version":"1.1","type_definitions":[{"relations":{},"type":"file"}]}`
 
+func testAccAuthorizationModelDataSourceConfigNoModel() string {
+	return fmt.Sprintf(`
+%[1]s
+
+resource "openfga_store" "test" {
+	name = "test"
+}
+
+data "openfga_authorization_model" "latest" {
+	store_id = openfga_store.test.id
+}
+`, acceptance.ProviderConfig)
+}
+
 func testAccAuthorizationModelDataSourceConfig() string {
 	return fmt.Sprintf(`
 %[1]s