1 files changed, 67 insertions, 0 deletions
diff --git a/spec/features/projects/files/edit_file_soft_wrap_spec.rb b/spec/features/projects/files/edit_file_soft_wrap_spec.rb
new file mode 100644
index 00000000000..7ad90b4a89c
--- /dev/null
+++ b/spec/features/projects/files/edit_file_soft_wrap_spec.rb
@@ -0,0 +1,67 @@
+require 'spec_helper'
+
+feature 'User uses soft wrap whilst editing file', feature: true, js: true do
+  before do
+    user = create(:user)
+    project = create(:project)
+    project.team << [user, :master]
+    login_as user
+    visit namespace_project_new_blob_path(project.namespace, project, 'master', file_name: 'test_file-name')
+    editor = find('.file-editor.code')
+    editor.click
+    editor.send_keys 'Touch water with paw then recoil in horror chase dog then
+      run away chase the pig around the house eat owner\'s food, and knock
+      dish off table head butt cant eat out of my own dish. Cat is love, cat
+      is life rub face on everything poop on grasses so meow. Playing with
+      balls of wool flee in terror at cucumber discovered on floor run in
+      circles tuxedo cats always looking dapper, but attack dog, run away
+      and pretend to be victim so all of a sudden cat goes crazy, yet chase
+      laser. Make muffins sit in window and stare ooo, a bird! yum lick yarn
+      hanging out of own butt jump off balcony, onto stranger\'s head yet
+      chase laser. Purr for no reason stare at ceiling hola te quiero.'.squish
+  end
+
+  let(:toggle_button) { find('.soft-wrap-toggle') }
+
+  scenario 'user clicks the "No wrap" button and then "Soft wrap" button' do
+    wrapped_content_width = get_content_width
+    toggle_button.click
+    expect(toggle_button).to have_content 'Soft wrap'
+    unwrapped_content_width = get_content_width
+    expect(unwrapped_content_width).to be > wrapped_content_width
+
+    toggle_button.click
+    expect(toggle_button).to have_content 'No wrap'
+    expect(get_content_width).to be < unwrapped_content_width
+  end
+
+  scenario 'user adds a ".js" extension and then changes to a ".md" extension' do
+    wrapped_content_width = get_content_width
+
+    fill_in 'file_name', with: 'test_file-name.js'
+    expect(toggle_button).to have_content 'Soft wrap'
+    unwrapped_content_width = get_content_width
+    expect(unwrapped_content_width).to be > wrapped_content_width
+
+    fill_in 'file_name', with: 'test_file-name.md'
+    expect(toggle_button).to have_content 'No wrap'
+    expect(get_content_width).to be < unwrapped_content_width
+  end
+
+  scenario 'user clicks "No wrap" and then changes to a ".md" extension' do
+    wrapped_content_width = get_content_width
+
+    toggle_button.click
+    expect(toggle_button).to have_content 'Soft wrap'
+    unwrapped_content_width = get_content_width
+    expect(unwrapped_content_width).to be > wrapped_content_width
+
+    fill_in 'file_name', with: 'test_file-name.md'
+    expect(toggle_button).to have_content 'Soft wrap'
+    expect(unwrapped_content_width).to be == get_content_width
+  end
+
+  def get_content_width
+    find('.ace_content')[:style].slice!(/width: \d+/).slice!(/\d+/)
+  end
+end