1 files changed, 73 insertions, 0 deletions
diff --git a/packages/markdown/marked/test/unit/marked-spec.js b/packages/markdown/marked/test/unit/marked-spec.js
new file mode 100644
index 00000000..994c5dc8
--- /dev/null
+++ b/packages/markdown/marked/test/unit/marked-spec.js
@@ -0,0 +1,73 @@
+var marked = require('../../lib/marked.js');
+
+describe('Test heading ID functionality', () => {
+  it('should add id attribute by default', () => {
+    var renderer = new marked.Renderer();
+    var slugger = new marked.Slugger();
+    var header = renderer.heading('test', 1, 'test', slugger);
+    expect(header).toBe('<h1 id="test">test</h1>\n');
+  });
+
+  it('should NOT add id attribute when options set false', () => {
+    var renderer = new marked.Renderer({ headerIds: false });
+    var header = renderer.heading('test', 1, 'test');
+    expect(header).toBe('<h1>test</h1>\n');
+  });
+});
+
+describe('Test slugger functionality', () => {
+  it('should use lowercase slug', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('Test')).toBe('test');
+  });
+
+  it('should be unique to avoid collisions 1280', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('test')).toBe('test');
+    expect(slugger.slug('test')).toBe('test-1');
+    expect(slugger.slug('test')).toBe('test-2');
+  });
+
+  it('should be unique when slug ends with number', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('test 1')).toBe('test-1');
+    expect(slugger.slug('test')).toBe('test');
+    expect(slugger.slug('test')).toBe('test-2');
+  });
+
+  it('should be unique when slug ends with hyphen number', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('foo')).toBe('foo');
+    expect(slugger.slug('foo')).toBe('foo-1');
+    expect(slugger.slug('foo 1')).toBe('foo-1-1');
+    expect(slugger.slug('foo-1')).toBe('foo-1-2');
+    expect(slugger.slug('foo')).toBe('foo-2');
+  });
+
+  it('should allow non-latin chars', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('привет')).toBe('привет');
+  });
+
+  it('should remove ampersands 857', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('This & That Section')).toBe('this--that-section');
+  });
+
+  it('should remove periods', () => {
+    var slugger = new marked.Slugger();
+    expect(slugger.slug('file.txt')).toBe('filetxt');
+  });
+});
+
+describe('Test paragraph token type', () => {
+  it('should use the "paragraph" type on top level', () => {
+    const md = 'A Paragraph.\n\n> A blockquote\n\n- list item\n';
+
+    const tokens = marked.lexer(md);
+
+    expect(tokens[0].type).toBe('paragraph');
+    expect(tokens[3].type).toBe('paragraph');
+    expect(tokens[7].type).toBe('text');
+  });
+});