Update unit tests to use generated files

And add a test to the json package to make sure the variable output stays consistent between versions.

pkg/json/json_test.go

@@ -0,0 +1,57 @@
+package json
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCreateSchema(t *testing.T) {
+	t.Parallel()
+	tfPath := "../../test/modules"
+	schemaPath := "../../test/expected"
+	testCases := []string{
+		"empty",
+		"simple",
+		"simple-types",
+		"complex-types",
+		"custom-validation",
+	}
+	for i := range testCases {
+		name := testCases[i]
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+			expected, err := os.ReadFile(filepath.Join(schemaPath, name, "variables.json"))
+			require.NoError(t, err)
+
+			result, err := ExportVariables(filepath.Join(tfPath, name), ExportVariablesOptions{
+				AllowEmpty:      true,
+				DebugOut:        true,
+				SuppressLogging: false,
+				EscapeJSON:      false,
+				Indent:          "\t",
+			})
+			require.NoError(t, err)
+
+			// marshal and unmarshal to ensure that the map is in the correct format
+			buf, err := json.Marshal(result)
+			require.NoError(t, err)
+
+			var gotMap map[string]any
+			err = json.Unmarshal(buf, &gotMap)
+			require.NoError(t, err)
+
+			var expectedMap map[string]any
+			err = json.Unmarshal(expected, &expectedMap)
+			require.NoError(t, err)
+
+			if d := cmp.Diff(expectedMap, gotMap); d != "" {
+				t.Errorf("Schema has incorrect value (-want,+got):\n%s", d)
+			}
+		})
+	}
+}

pkg/reader/type-constraint_test.go

@@ -27,7 +27,7 @@ func TestGetTypeConstraint(t *testing.T) {
 		name := testCases[i]
 		t.Run(name, func(t *testing.T) {
 			t.Parallel()
-			expected, err := os.ReadFile(filepath.Join(expectedPath, name, "type-constraints.json"))
+			expected, err := os.ReadFile(filepath.Join(expectedPath, name, "variables.json"))
 			require.NoError(t, err)
 
 			varMap, err := GetVarMap(filepath.Join(tfPath, name), true)
@@ -42,7 +42,7 @@ func TestGetTypeConstraint(t *testing.T) {
 			require.Equal(t, len(varMap), len(expectedMap))
 
 			for key, val := range varMap {
-				expectedVal, ok := expectedMap[key]
+				expectedVal, ok := expectedMap[key].(map[string]any)["type"]
 				if !ok {
 					t.Errorf("Variable %q not found in expected map", key)
 				}

pkg/reader/value_test.go

@@ -27,7 +27,7 @@ func TestExpressionToJSONObject_Default(t *testing.T) {
 		name := testCases[i]
 		t.Run(name, func(t *testing.T) {
 			t.Parallel()
-			expected, err := os.ReadFile(filepath.Join(expectedPath, name, "defaults.json"))
+			expected, err := os.ReadFile(filepath.Join(expectedPath, name, "variables.json"))
 			require.NoError(t, err)
 			var expectedMap map[string]any
 			err = json.Unmarshal(expected, &expectedMap)
@@ -49,12 +49,12 @@ func TestExpressionToJSONObject_Default(t *testing.T) {
 				require.NoError(t, err)
 			}
 
-			if len(defaults) != len(expectedMap) {
-				t.Errorf("Expected %d variables with defaults, got %d", len(expectedMap), len(varMap))
+			if len(expectedMap) != len(varMap) {
+				t.Errorf("Expected %d variables, got %d", len(expectedMap), len(varMap))
 			}
 
 			for key, val := range defaults {
-				expectedVal, ok := expectedMap[key]
+				expectedVal, ok := expectedMap[key].(map[string]any)["default"]
 				if !ok {
 					t.Errorf("Variable %q not found in expected map", key)
 				}

test/expected/complex-types/sample-input/test-input-null.json

@@ -0,0 +1,5 @@
+{
+    "$schema": "../schema.json",
+    "a_very_complicated_object": null,
+    "an_object_with_optional": null
+}

test/expected/custom-validation/sample-input/test-input-null.json

@@ -0,0 +1,15 @@
+{
+    "$schema": "../schema.json",
+    "a_list_maximum_minimum_length": null,
+    "a_map_maximum_minimum_entries": null,
+    "a_set_maximum_minimum_items": null,
+    "a_string_enum_escaped_characters_kind_1": null,
+    "a_string_enum_kind_1": null,
+    "a_string_enum_kind_2": null,
+    "a_string_length_over_defined": null,
+    "a_string_maximum_minimum_length":null,
+    "a_string_pattern_1": null,
+    "a_string_pattern_2": null,
+    "a_string_set_length":null,
+    "an_object_maximum_minimum_items": null
+}

test/expected/simple-types/sample-input/test-input-null.json

@@ -0,0 +1,13 @@
+{
+    "$schema": "../schema.json",
+    "a_bool": null,
+    "a_list": null,
+    "a_map_of_strings": null,
+    "a_nullable_string": null,
+    "a_number": null,
+    "a_set": null,
+    "a_string": null,
+    "a_tuple": null,
+    "a_variable_in_another_file": null,
+    "an_object": null
+}