Clean up EventsHelper spec

spec/helpers/events_helper_spec.rb

 require 'spec_helper'
 
 describe EventsHelper do
-  include ApplicationHelper
-  include GitlabMarkdownHelper
+  describe '#event_note' do
+    before do
+      allow(helper).to receive(:current_user).and_return(double)
+    end
 
-  let(:current_user) { create(:user, email: "current@email.com") }
+    it 'should display one line of plain text without alteration' do
+      input = 'A short, plain note'
+      expect(helper.event_note(input)).to match(input)
+      expect(helper.event_note(input)).not_to match(/\.\.\.\z/)
+    end
 
-  it 'should display one line of plain text without alteration' do
-    input = 'A short, plain note'
-    expect(event_note(input)).to match(input)
-    expect(event_note(input)).not_to match(/\.\.\.\z/)
-  end
+    it 'should display inline code' do
+      input = 'A note with `inline code`'
+      expected = 'A note with <code>inline code</code>'
 
-  it 'should display inline code' do
-    input = 'A note with `inline code`'
-    expected = 'A note with <code>inline code</code>'
+      expect(helper.event_note(input)).to match(expected)
+    end
 
-    expect(event_note(input)).to match(expected)
-  end
+    it 'should truncate a note with multiple paragraphs' do
+      input = "Paragraph 1\n\nParagraph 2"
+      expected = 'Paragraph 1...'
 
-  it 'should truncate a note with multiple paragraphs' do
-    input = "Paragraph 1\n\nParagraph 2"
-    expected = 'Paragraph 1...'
+      expect(helper.event_note(input)).to match(expected)
+    end
 
-    expect(event_note(input)).to match(expected)
-  end
+    it 'should display the first line of a code block' do
+      input = "```\nCode block\nwith two lines\n```"
+      expected = %r{<pre.+><code>Code block\.\.\.</code></pre>}
 
-  it 'should display the first line of a code block' do
-    input = "```\nCode block\nwith two lines\n```"
-    expected = %r{<pre.+><code>Code block\.\.\.</code></pre>}
+      expect(helper.event_note(input)).to match(expected)
+    end
 
-    expect(event_note(input)).to match(expected)
-  end
+    it 'should truncate a single long line of text' do
+      text = 'The quick brown fox jumped over the lazy dog twice' # 50 chars
+      input = text * 4
+      expected = (text * 2).sub(/.{3}/, '...')
 
-  it 'should truncate a single long line of text' do
-    text = 'The quick brown fox jumped over the lazy dog twice' # 50 chars
-    input = "#{text}#{text}#{text}#{text}" # 200 chars
-    expected = "#{text}#{text}".sub(/.{3}/, '...')
+      expect(helper.event_note(input)).to match(expected)
+    end
 
-    expect(event_note(input)).to match(expected)
-  end
-
-  it 'should preserve a link href when link text is truncated' do
-    text = 'The quick brown fox jumped over the lazy dog' # 44 chars
-    input = "#{text}#{text}#{text} " # 133 chars
-    link_url = 'http://example.com/foo/bar/baz' # 30 chars
-    input << link_url
-    expected_link_text = 'http://example...</a>'
+    it 'should preserve a link href when link text is truncated' do
+      text = 'The quick brown fox jumped over the lazy dog' # 44 chars
+      input = "#{text}#{text}#{text} " # 133 chars
+      link_url = 'http://example.com/foo/bar/baz' # 30 chars
+      input << link_url
+      expected_link_text = 'http://example...</a>'
 
-    expect(event_note(input)).to match(link_url)
-    expect(event_note(input)).to match(expected_link_text)
-  end
+      expect(helper.event_note(input)).to match(link_url)
+      expect(helper.event_note(input)).to match(expected_link_text)
+    end
 
-  it 'should preserve code color scheme' do
-    input = "```ruby\ndef test\n  'hello world'\nend\n```"
-    expected = '<pre class="code highlight js-syntax-highlight ruby">' \
-      "<code><span class=\"k\">def</span> <span class=\"nf\">test</span>\n" \
-      "  <span class=\"s1\">\'hello world\'</span>\n" \
-      "<span class=\"k\">end</span>" \
-      '</code></pre>'
-    expect(event_note(input)).to eq(expected)
+    it 'should preserve code color scheme' do
+      input = "```ruby\ndef test\n  'hello world'\nend\n```"
+      expected = '<pre class="code highlight js-syntax-highlight ruby">' \
+        "<code><span class=\"k\">def</span> <span class=\"nf\">test</span>\n" \
+        "  <span class=\"s1\">\'hello world\'</span>\n" \
+        "<span class=\"k\">end</span>" \
+        '</code></pre>'
+      expect(helper.event_note(input)).to eq(expected)
+    end
   end
 end