Add unit test

Author: MetRonnie

src/components/cylc/log/index.js

@@ -0,0 +1,44 @@
+/**
+ * Copyright (C) NIWA & British Crown (Met Office) & Contributors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { shallowMount } from '@vue/test-utils'
+import Log from '@/components/cylc/log/Log.vue'
+
+describe('Log component', () => {
+  const wrapper = shallowMount(Log, {
+    props: {
+      logs: [],
+    },
+  })
+
+  describe.each([
+    { line: '' },
+    { line: '  ' },
+    { line: 'Hello, Mr. Thompson' },
+    { line: '1969-07-20T20:17:00 the eagle has landed', expected: 'the eagle has landed' },
+    { line: '2038-01-19T03:14:07Z INFO - oops!', expected: 'INFO - oops!' },
+    { line: '2038-01-19T03:14:07+02:15 ', expected: '' },
+    { line: '2038-01-19T03:14:07-12:03    meow', expected: '   meow' },
+    { line: 'INIT_TIME=2023-04-27T13:53:09+01:00' },
+
+  ])('stripTimestamp($line)', ({ line, expected }) => {
+    expected ??= line
+    it(`returns '${expected}'`, () => {
+      expect(wrapper.vm.stripTimestamp(line)).toEqual(expected)
+    })
+  })
+})