Added simulate drag JS for tests

app/assets/javascripts/boards/test_utils/simulate_drag.js

+(function () {
+	'use strict';
+
+	function simulateEvent(el, type, options) {
+		var event;
+		var ownerDocument = el.ownerDocument;
+
+		options = options || {};
+
+		if (/^mouse/.test(type)) {
+			event = ownerDocument.createEvent('MouseEvents');
+			event.initMouseEvent(type, true, true, ownerDocument.defaultView,
+				options.button, options.screenX, options.screenY, options.clientX, options.clientY,
+				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, el);
+		} else {
+			event = ownerDocument.createEvent('CustomEvent');
+
+			event.initCustomEvent(type, true, true, ownerDocument.defaultView,
+				options.button, options.screenX, options.screenY, options.clientX, options.clientY,
+				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, el);
+
+			event.dataTransfer = {
+				data: {},
+
+				setData: function (type, val) {
+					this.data[type] = val;
+				},
+
+				getData: function (type) {
+					return this.data[type];
+				}
+			};
+		}
+
+		if (el.dispatchEvent) {
+			el.dispatchEvent(event);
+		} else if (el.fireEvent) {
+			el.fireEvent('on' + type, event);
+		}
+
+		return event;
+	}
+
+	function getTraget(target) {
+		var el = typeof target.el === 'string' ? document.getElementById(target.el.substr(1)) : target.el;
+		var children = el.children;
+
+		return (
+			children[target.index] ||
+			children[target.index === 'first' ? 0 : -1] ||
+			children[target.index === 'last' ? children.length - 1 : -1]
+		);
+	}
+
+	function getRect(el) {
+		var rect = el.getBoundingClientRect();
+		var width = rect.right - rect.left;
+		var height = rect.bottom - rect.top;
+
+		return {
+			x: rect.left,
+			y: rect.top,
+			cx: rect.left + width / 2,
+			cy: rect.top + height / 2,
+			w: width,
+			h: height,
+			hw: width / 2,
+			wh: height / 2
+		};
+	}
+
+	function simulateDrag(options, callback) {
+		options.to.el = options.to.el || options.from.el;
+
+		var fromEl = getTraget(options.from);
+		var toEl = getTraget(options.to);
+    var scrollable = options.scrollable;
+
+		var fromRect = getRect(fromEl);
+		var toRect = getRect(toEl);
+
+		var startTime = new Date().getTime();
+		var duration = options.duration || 1000;
+		simulateEvent(fromEl, 'mousedown', {button: 0});
+		options.ontap && options.ontap();
+
+		requestAnimationFrame(function () {
+			options.ondragstart && options.ondragstart();
+		});
+
+		requestAnimationFrame(function loop() {
+			var progress = (new Date().getTime() - startTime) / duration;
+			var x = (fromRect.cx + (toRect.cx - fromRect.cx) * progress) - scrollable.scrollLeft;
+			var y = fromRect.cy + (toRect.cy - fromRect.cy) * progress;
+			var overEl = fromEl.ownerDocument.elementFromPoint(x, y);
+
+			simulateEvent(overEl, 'mousemove', {
+				clientX: x,
+				clientY: y
+			});
+
+			if (progress < 1) {
+				requestAnimationFrame(loop);
+			} else {
+				options.ondragend && options.ondragend();
+				simulateEvent(toEl, 'mouseup');
+			}
+		});
+
+		return {
+			target: fromEl,
+			fromList: fromEl.parentNode,
+			toList: toEl.parentNode
+		};
+	}
+
+
+	// Export
+	window.simulateEvent = simulateEvent;
+	window.simulateDrag = simulateDrag;
+})();

app/assets/stylesheets/pages/boards.scss

@@ -23,18 +23,33 @@
 }
 
 .issue-boards-page {
+  .content-wrapper {
+    display: -webkit-flex;
+    display: flex;
+  }
+
+  .sub-nav,
+  .issues-filters {
+    -webkit-flex: none;
+    flex: none;
+  }
+
   .page-with-sidebar {
+    display: -webkit-flex;
     display: flex;
     min-height: 100vh;
     max-height: 100vh;
   }
 
   .issue-boards-content {
+    display: -webkit-flex;
     display: flex;
-    height: 100%;
+    width: 100%;
 
     .content {
+      display: -webkit-flex;
       display: flex;
+      -webkit-flex-direction: column;
       flex-direction: column;
       width: 100%;
     }
@@ -42,8 +57,10 @@
 }
 
 .boards-list {
+  display: -webkit-flex;
   display: flex;
-  height: 100%;
+  -webkit-flex: 1;
+  flex: 1;
   min-height: 455px;
   padding-top: 25px;
   padding-right: ($gl-padding / 2);
@@ -52,17 +69,19 @@
 }
 
 .board {
+  display: -webkit-flex;
+  display: flex;
   min-width: 400px;
   max-width: 400px;
-  height: 100%;
   padding-right: ($gl-padding / 2);
   padding-left: ($gl-padding / 2);
 }
 
 .board-inner {
+  display: -webkit-flex;
   display: flex;
+  -webkit-flex-direction: column;
   flex-direction: column;
-  height: 100%;
   width: 100%;
   font-size: $issue-boards-font-size;
   background: $background-color;
@@ -162,6 +181,7 @@
 }
 
 .board-list {
+  -webkit-flex: 1;
   flex: 1;
   margin: 0;
   padding: 5px;

app/views/projects/boards/index.html.haml

@@ -4,6 +4,7 @@
 
 - content_for :page_specific_javascripts do
   = page_specific_javascript_tag('boards/boards_bundle.js')
+  = page_specific_javascript_tag('boards/test_utils/simulate_drag.js') if Rails.env.test?
 
 = render "projects/issues/head"
 

config/application.rb

@@ -86,6 +86,7 @@ module Gitlab
     config.assets.precompile << "network/network_bundle.js"
     config.assets.precompile << "profile/profile_bundle.js"
     config.assets.precompile << "boards/boards_bundle.js"
+    config.assets.precompile << "boards/test_utils/simulate_drag.js"
     config.assets.precompile << "lib/utils/*.js"
     config.assets.precompile << "lib/*.js"
     config.assets.precompile << "u2f.js"

spec/features/boards/boards_spec.rb

+require 'rails_helper'
+
+describe 'Issue Boards', feature: true, js: true do
+  let(:project)   { create(:project) }
+  let(:user)      { create(:user) }
+
+  before do
+    project.team << [user, :master]
+    login_as(user)
+
+    visit namespace_project_boards_path(project.namespace, project)
+  end
+
+  it 'shows default lists' do
+    lists = all('.board')
+
+    page.within lists.first do
+      expect(page).to have_content 'Backlog'
+    end
+
+    page.within lists.last do
+      expect(page).to have_content 'Done'
+    end
+  end
+
+  it 'removes blank state list' do
+    click_button 'Nevermind, i\'ll use my own'
+
+    expect(page).to have_selector('.board', count: 2)
+  end
+
+  it 'can drag card to new list' do
+    sleep 0.5
+    lists = all('.board')
+    drag_to(list_from_index: 0, list_to_index: 1)
+
+    page.within lists[1].find('.board-list') do
+      expect(page).to have_content('Test')
+      expect(page).to have_selector('.card', count: 2)
+
+      page.within first('.card .card-footer') do
+        expect(page).to have_content 'Frontend'
+      end
+    end
+  end
+
+  it 'removes all labels from card' do
+    sleep 0.5
+    lists = all('.board')
+    drag_to(list_from_index: 1, list_to_index: 3)
+
+    page.within lists[3].find('.board-list') do
+      expect(page).to have_content('Frontend bug')
+      expect(page).to have_selector('.card', count: 2)
+
+      page.within first('.card .card-footer') do
+        expect(page).not_to have_content 'Frontend'
+      end
+    end
+
+    page.within lists[1].find('.board-list') do
+      expect(page).not_to have_content('Frontend bug')
+      expect(page).not_to have_selector('.card')
+    end
+  end
+
+  def drag_to(list_from_index: 0, card_index: 0, to_index: 0, list_to_index: 0)
+    evaluate_script("simulateDrag({scrollable: document.getElementById('board-app'), from: {el: $('.board-list').eq(#{list_from_index}).get(0), index: #{card_index}}, to: {el: $('.board-list').eq(#{list_to_index}).get(0), index: #{to_index}}});")
+    sleep 1
+  end
+end