migrate tests to apidash_core

packages/apidash_core/test/extensions/string_extensions_test.dart

@@ -0,0 +1,62 @@
+import 'package:apidash_core/apidash_core.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('Testing StringExtensions', () {
+    group('Testing capitalize', () {
+      test('should capitalize the first letter of a lowercase word', () {
+        expect('hello'.capitalize(), 'Hello');
+      });
+
+      test(
+          'should capitalize the first letter and lowercase the rest of an uppercase word',
+          () {
+        expect('HELLO'.capitalize(), 'Hello');
+      });
+
+      test('should return the same string if it is already capitalized', () {
+        expect('Hello'.capitalize(), 'Hello');
+      });
+
+      test('should return an empty string if the input is empty', () {
+        expect(''.capitalize(), '');
+      });
+
+      test('should capitalize a single lowercase letter', () {
+        expect('h'.capitalize(), 'H');
+      });
+
+      test('should return the same single uppercase letter', () {
+        expect('H'.capitalize(), 'H');
+      });
+    });
+
+    group('Testing clip', () {
+      test(
+          'should return the same string if its length is less than or equal to the limit',
+          () {
+        expect('hello'.clip(5), 'hello');
+        expect('hello'.clip(10), 'hello');
+      });
+
+      test(
+          'should clip the string and add ellipsis if its length is greater than the limit',
+          () {
+        expect('hello world'.clip(5), 'hello...');
+        expect('hello world'.clip(8), 'hello wo...');
+      });
+
+      test('should return an empty string if the input is empty', () {
+        expect(''.clip(5), '');
+      });
+
+      test('should handle limit of 0 correctly', () {
+        expect('hello'.clip(0), '...');
+      });
+
+      test('should handle negative limit correctly', () {
+        expect('hello'.clip(-1), '...');
+      });
+    });
+  });
+}