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POCapybara does not seem to be waiting (as it should do!?) (Async ajax event)
 

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  1. POCapybara does not seem to be waiting (as it should do!?) (Async ajax event)
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    <p>We have a background process that we poll and reload a chart when the processing (from another server, UNIX process) is completed.</p> <p>I cannot get Capybrara to properly wait (despite the general consensus that it should)</p> <p>Its an AJAX event that polls the DB and then refreshes the page content when its completed. The timing, even for testing, is varied - a <code>sleep n.seconds</code> sometimes works, but not always.</p> <ul> <li>I have tried <code>expect(page.has_content)</code>, <code>assert page.has_text</code>, <code>find</code>, and <code>has_content</code>. None seem to actually wait.</li> <li>I have timeout set to 90 seconds. Generally the background process is more than 20 seconds.</li> <li>I have tried different <code>default_wait_time</code></li> </ul> <p>I have found lots of articles claiming that it should wait within its default polling / time-out. Is there something we should be checking? Note we are headless via Poltergeist.</p> <p>There is no CSS object that changes on the display, its just a string (this is taken from a <code>puts page.html</code> to debug the tests)</p> <p>From this</p> <pre><code> &lt;div class="bill-summary-strap-line"&gt; Calculating your bill costs &lt;br/&gt; &lt;/div&gt; </code></pre> <p>To this</p> <pre><code>&lt;div class="bill-summary-strap-line"&gt; Calculating finished &lt;br/&gt; &lt;/div&gt; </code></pre> <p>What are we missing?</p> <p>RSpec code below, really hope someone has some guidance having solved this type of problem. Cheers Ben</p> <pre><code> puts page.html # test #assert page.has_text?('Calculating your bill costs') expect(page).to have_content 'Calculating your bill costs' page.driver.render("#{LOGDIR}/output1.png", :full =&gt; true) sleep 30.seconds # would like to remove this puts page.html # test output #page.should have_content("Calculating finished") #expect(page.has_content? "Calculating finished").to be_true assert page.has_text?("Calculating finished") page.driver.render("#{LOGDIR}/output2.png", :full =&gt; true) </code></pre>
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    1. COCan you explain how the test fails? You say that Capybara doesn't wait; does that mean that your test finished immediately?
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      1. USShepmaster
    2. COHi Shepmaster. when i mean doesn't wait i mean that it fails as the string is not in the web page. IF I insert a sleep the string will eventually appear e.g. if you run the app out side of test environment it is working. But to test it the only way seems to be to insert a sleep. However I assumed that if Capybara is meant to wait it would wait within its default wait time to see if the string appears. it does not seem to do that? Make sense?
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    3. COCould you add `puts Capybara.default_wait_time` directly before your `assert page.has_text?("Calculating finished")`? I would like to rule out something else changing your timeout under your nose. Also, how long does the test take to fail? It should be taking 90 seconds. Have you enabled Selenium for this test, as opposed to using rack-test? This often appears as `it "does something", js: true do`.
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