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diff --git a/actioncable/test/javascript/src/unit/action_cable_test.coffee b/actioncable/test/javascript/src/unit/action_cable_test.coffee
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+++ b/actioncable/test/javascript/src/unit/action_cable_test.coffee
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+{module, test} = QUnit
+{testURL} = ActionCable.TestHelpers
+
+module "ActionCable", ->
+ module "#createConsumer", ->
+ test "uses specified URL", (assert) ->
+ consumer = ActionCable.createConsumer(testURL)
+ assert.equal consumer.url, testURL
+
+ test "uses default URL", (assert) ->
+ pattern = ///#{ActionCable.INTERNAL.default_mount_path}$///
+ consumer = ActionCable.createConsumer()
+ assert.ok pattern.test(consumer.url), "Expected #{consumer.url} to match #{pattern}"
+
+ test "uses URL from meta tag", (assert) ->
+ element = document.createElement("meta")
+ element.setAttribute("name", "action-cable-url")
+ element.setAttribute("content", testURL)
+
+ document.head.appendChild(element)
+ consumer = ActionCable.createConsumer()
+ document.head.removeChild(element)
+
+ assert.equal consumer.url, testURL