home1022

2025-10-22 08:19:00 +08:00
parent 467b04e5b0
commit 97fbfe08d7
6040 changed files with 529099 additions and 9685 deletions
@@ -0,0 +1,85 @@
+import test from 'tape';
+
+import getTabIndex from '../../../src/util/getTabIndex';
+import IdentifierMock from '../../../__mocks__/IdentifierMock';
+import JSXAttributeMock from '../../../__mocks__/JSXAttributeMock';
+
+test('getTabIndex', (t) => {
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', 0)),
+    0,
+    'tabIndex is defined as zero -> zero',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', 1)),
+    1,
+    'tabIndex is defined as a positive integer -> returns it',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', -1)),
+    -1,
+    'tabIndex is defined as a negative integer -> returns it',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', '')),
+    undefined,
+    'tabIndex is defined as an empty string -> undefined',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', 9.1)),
+    undefined,
+    'tabIndex is defined as a float -> undefined',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', '0')),
+    0,
+    'tabIndex is defined as a string which converts to a number -> returns the integer',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', '0a')),
+    undefined,
+    'tabIndex is defined as a string which is NaN -> returns undefined',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', true)),
+    undefined,
+    'tabIndex is defined as true -> returns undefined',
+  );
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', false)),
+    undefined,
+    'tabIndex is defined as false -> returns undefined',
+  );
+
+  t.equal(
+    typeof getTabIndex(JSXAttributeMock('tabIndex', () => 0)),
+    'function',
+    'tabIndex is defined as a function expression -> returns the correct type',
+  );
+
+  const name = 'identName';
+  t.equal(
+    getTabIndex(JSXAttributeMock(
+      'tabIndex',
+      IdentifierMock(name),
+      true,
+    )),
+    name,
+    'tabIndex is defined as a variable expression -> returns the Identifier name',
+  );
+
+  t.equal(
+    getTabIndex(JSXAttributeMock('tabIndex', undefined)),
+    undefined,
+    'tabIndex is not defined -> returns undefined',
+  );
+
+  t.end();
+});