Export text utils as ES6 modules

1 files changed, 62 insertions, 0 deletions

diff --git a/spec/javascripts/lib/utils/text_markdown_spec.js b/spec/javascripts/lib/utils/text_markdown_spec.js
new file mode 100644
index 00000000000..a95a7e2a5be
--- /dev/null
+++ b/spec/javascripts/lib/utils/text_markdown_spec.js
@@ -0,0 +1,62 @@
+import textUtils from '~/lib/utils/text_markdown';
+
+describe('init markdown', () => {
+  let textArea;
+
+  beforeAll(() => {
+    textArea = document.createElement('textarea');
+    document.querySelector('body').appendChild(textArea);
+    textArea.focus();
+  });
+
+  afterAll(() => {
+    textArea.parentNode.removeChild(textArea);
+  });
+
+  describe('without selection', () => {
+    it('inserts the tag on an empty line', () => {
+      const initialValue = '';
+
+      textArea.value = initialValue;
+      textArea.selectionStart = 0;
+      textArea.selectionEnd = 0;
+
+      textUtils.insertText(textArea, textArea.value, '*', null, '', false);
+
+      expect(textArea.value).toEqual(`${initialValue}* `);
+    });
+
+    it('inserts the tag on a new line if the current one is not empty', () => {
+      const initialValue = 'some text';
+
+      textArea.value = initialValue;
+      textArea.setSelectionRange(initialValue.length, initialValue.length);
+
+      textUtils.insertText(textArea, textArea.value, '*', null, '', false);
+
+      expect(textArea.value).toEqual(`${initialValue}\n* `);
+    });
+
+    it('inserts the tag on the same line if the current line only contains spaces', () => {
+      const initialValue = '  ';
+
+      textArea.value = initialValue;
+      textArea.setSelectionRange(initialValue.length, initialValue.length);
+
+      textUtils.insertText(textArea, textArea.value, '*', null, '', false);
+
+      expect(textArea.value).toEqual(`${initialValue}* `);
+    });
+
+    it('inserts the tag on the same line if the current line only contains tabs', () => {
+      const initialValue = '\t\t\t';
+
+      textArea.value = initialValue;
+      textArea.setSelectionRange(initialValue.length, initialValue.length);
+
+      textUtils.insertText(textArea, textArea.value, '*', null, '', false);
+
+      expect(textArea.value).toEqual(`${initialValue}* `);
+    });
+  });
+});