Add package for printing starlark formatted data

Bug: 216168792
Test: build/bazel/ci/bp2build.sh
Change-Id: I3a06b19396f7ffe1c638042cda7e731dd840f1d6
diff --git a/android/soongconfig/modules_test.go b/android/soongconfig/modules_test.go
index b14f8b4..a7800e8 100644
--- a/android/soongconfig/modules_test.go
+++ b/android/soongconfig/modules_test.go
@@ -367,19 +367,19 @@
 
 func Test_Bp2BuildSoongConfigDefinitions(t *testing.T) {
 	testCases := []struct {
+		desc     string
 		defs     Bp2BuildSoongConfigDefinitions
 		expected string
 	}{
 		{
+			desc: "all empty",
 			defs: Bp2BuildSoongConfigDefinitions{},
-			expected: `soong_config_bool_variables = {
-}
+			expected: `soong_config_bool_variables = {}
 
-soong_config_value_variables = {
-}
+soong_config_value_variables = {}
 
-soong_config_string_variables = {
-}`}, {
+soong_config_string_variables = {}`}, {
+			desc: "only bool",
 			defs: Bp2BuildSoongConfigDefinitions{
 				BoolVars: map[string]bool{
 					"bool_var": true,
@@ -389,39 +389,35 @@
     "bool_var": True,
 }
 
-soong_config_value_variables = {
-}
+soong_config_value_variables = {}
 
-soong_config_string_variables = {
-}`}, {
+soong_config_string_variables = {}`}, {
+			desc: "only value vars",
 			defs: Bp2BuildSoongConfigDefinitions{
 				ValueVars: map[string]bool{
 					"value_var": true,
 				},
 			},
-			expected: `soong_config_bool_variables = {
-}
+			expected: `soong_config_bool_variables = {}
 
 soong_config_value_variables = {
     "value_var": True,
 }
 
-soong_config_string_variables = {
-}`}, {
+soong_config_string_variables = {}`}, {
+			desc: "only string vars",
 			defs: Bp2BuildSoongConfigDefinitions{
-				StringVars: map[string]map[string]bool{
-					"string_var": map[string]bool{
-						"choice1": true,
-						"choice2": true,
-						"choice3": true,
+				StringVars: map[string][]string{
+					"string_var": []string{
+						"choice1",
+						"choice2",
+						"choice3",
 					},
 				},
 			},
-			expected: `soong_config_bool_variables = {
-}
+			expected: `soong_config_bool_variables = {}
 
-soong_config_value_variables = {
-}
+soong_config_value_variables = {}
 
 soong_config_string_variables = {
     "string_var": [
@@ -430,6 +426,7 @@
         "choice3",
     ],
 }`}, {
+			desc: "all vars",
 			defs: Bp2BuildSoongConfigDefinitions{
 				BoolVars: map[string]bool{
 					"bool_var_one": true,
@@ -438,15 +435,15 @@
 					"value_var_one": true,
 					"value_var_two": true,
 				},
-				StringVars: map[string]map[string]bool{
-					"string_var_one": map[string]bool{
-						"choice1": true,
-						"choice2": true,
-						"choice3": true,
+				StringVars: map[string][]string{
+					"string_var_one": []string{
+						"choice1",
+						"choice2",
+						"choice3",
 					},
-					"string_var_two": map[string]bool{
-						"foo": true,
-						"bar": true,
+					"string_var_two": []string{
+						"foo",
+						"bar",
 					},
 				},
 			},
@@ -466,15 +463,17 @@
         "choice3",
     ],
     "string_var_two": [
-        "bar",
         "foo",
+        "bar",
     ],
 }`},
 	}
 	for _, test := range testCases {
-		actual := test.defs.String()
-		if actual != test.expected {
-			t.Errorf("Expected:\n%s\nbut got:\n%s", test.expected, actual)
-		}
+		t.Run(test.desc, func(t *testing.T) {
+			actual := test.defs.String()
+			if actual != test.expected {
+				t.Errorf("Expected:\n%s\nbut got:\n%s", test.expected, actual)
+			}
+		})
 	}
 }