Rewrite tests to use groups

test/unofficial_jisho_api_test.dart

@@ -1,29 +1,56 @@
+import 'dart:convert';
 import 'dart:io';
 import 'package:path/path.dart' as path;
-import 'dart:convert';
 
 import 'package:unofficial_jisho_api/api.dart';
 import 'package:test/test.dart';
 
 List<String> getFilePaths(String dirname) {
   final currentdir = Directory.current.path;
-  final filenames = Directory(path.join(currentdir, 'test', dirname)).listSync();
-  return filenames.map((filename) => path.join(currentdir, 'test', dirname, filename.path)).toList();
+  final testDir = path.join(currentdir, 'test', dirname);
+  final filenames = Directory(testDir).listSync();
+  return filenames.map((filename) => path.join(testDir, filename.path));
 }
 
-void runTestCases(List<String> testCaseFiles, Function apiFunction) async {
+List getTestCases(String directoryName) {
+  final testCaseFiles = getFilePaths(directoryName);
+  var result = [];
+
   for (var testCount = 0; testCount < testCaseFiles.length; testCount++) {
-    final file = await File(testCaseFiles[testCount]).readAsString();
-    final testCase = jsonDecode(file);
-    await test('Test ${testCount}', () async {
-      final result = await apiFunction(testCase['query']);
-      expect(jsonEncode(result), jsonEncode(testCase));
-    });
+    final file = File(testCaseFiles[testCount]).readAsStringSync();
+    result.add(jsonDecode(file));
   }
+  return result;
 }
 
-void main() async {
-  await runTestCases(getFilePaths('kanji_test_cases'), searchForKanji);
-  await runTestCases(getFilePaths('example_test_cases'), searchForExamples);
-  await runTestCases(getFilePaths('phrase_scrape_test_cases'), scrapeForPhrase);
-}
+void main() {
+  group('searchForKanji', () {
+    final testCases = getTestCases('kanji_test_cases');
+    for (var testCase in testCases) {
+      test('Query "${testCase['query']}"', () async {
+        final result = await searchForKanji(testCase['query']);
+        expect(jsonEncode(result), jsonEncode(testCase));
+      });
+    }
+  });
+
+  group('searchForExamples', () {
+    final testCases = getTestCases('example_test_cases');
+    for (var testCase in testCases) {
+      test('Query "${testCase['query']}"', () async {
+        final result = await searchForExamples(testCase['query']);
+        expect(jsonEncode(result), jsonEncode(testCase));
+      });
+    }
+  });
+
+  group('scrapeForPhrase', () {
+    final testCases = getTestCases('phrase_scrape_test_cases');
+    for (var testCase in testCases) {
+      test('Query "${testCase['query']}"', () async {
+        final result = await scrapeForPhrase(testCase['query']);
+        expect(jsonEncode(result), jsonEncode(testCase));
+      });
+    }
+  });
+}