add BlacklistForm test

test/settings/components/form/blacklist-form.test.jsx

@@ -0,0 +1,82 @@
+import { expect } from 'chai';
+import { h, render } from 'preact';
+import BlacklistForm from 'settings/components/form/blacklist-form'
+
+describe("settings/form/BlacklistForm", () => {
+  beforeEach(() => {
+    document.body.innerHTML = '';
+  });
+
+  describe('render', () => {
+    it('renders BlacklistForm', () => {
+      render(<BlacklistForm value={['*.slack.com', 'www.google.com/maps']} />, document.body);
+
+      let inputs = document.querySelectorAll('input[type=text]');
+      expect(inputs).to.have.lengthOf(2);
+      expect(inputs[0].value).to.equal('*.slack.com');
+      expect(inputs[1].value).to.equal('www.google.com/maps');
+    });
+
+    it('renders blank value', () => {
+      render(<BlacklistForm />, document.body);
+
+      let inputs = document.querySelectorAll('input[type=text]');
+      expect(inputs).to.be.empty;
+    });
+
+    it('renders blank value', () => {
+      render(<BlacklistForm />, document.body);
+
+      let inputs = document.querySelectorAll('input[type=text]');
+      expect(inputs).to.be.empty;
+    });
+  });
+
+  describe('onChange', () => {
+    it('invokes onChange event on edit', (done) => {
+      render(<BlacklistForm
+        value={['*.slack.com', 'www.google.com/maps*']}
+        onChange={value => {
+          expect(value).to.have.lengthOf(2)
+            .and.have.members(['gitter.im', 'www.google.com/maps*']);
+
+          done();
+        }}
+      />, document.body);
+
+      let input = document.querySelectorAll('input[type=text]')[0];
+      input.value = 'gitter.im';
+      input.dispatchEvent(new Event('change'))
+    });
+
+    it('invokes onChange event on delete', (done) => {
+      render(<BlacklistForm
+        value={['*.slack.com', 'www.google.com/maps*']}
+        onChange={value => {
+          expect(value).to.have.lengthOf(1)
+            .and.have.members(['www.google.com/maps*']);
+
+          done();
+        }}
+      />, document.body);
+
+      let button = document.querySelectorAll('input[type=button]')[0];
+      button.click();
+    });
+
+    it('invokes onChange event on add', (done) => {
+      render(<BlacklistForm
+        value={['*.slack.com']}
+        onChange={value => {
+          expect(value).to.have.lengthOf(2)
+            .and.have.members(['*.slack.com', '']);
+
+          done();
+        }}
+      />, document.body);
+
+      let button = document.querySelector('input[type=button].ui-add-button');
+      button.click();
+    });
+  });
+});