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Update reconnection E2E tests #12372

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Merged
merged 1 commit into from
Jul 19, 2019
Merged

Update reconnection E2E tests #12372

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45 changes: 25 additions & 20 deletions src/Components/test/E2ETest/ServerExecutionTests/ServerSideAppTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -142,21 +142,17 @@ public void HasFetchDataPage()
public void ReconnectUI()
{
Browser.FindElement(By.LinkText("Counter")).Click();
var javascript = (IJavaScriptExecutor)Browser;
javascript.ExecuteScript(@"
window.modalDisplayState = [];
window.Blazor.circuitHandlers.push({
onConnectionUp: () => window.modalDisplayState.push(document.getElementById('components-reconnect-modal').style.display),
onConnectionDown: () => window.modalDisplayState.push(document.getElementById('components-reconnect-modal').style.display)
});
window.Blazor._internal.forceCloseConnection();");

new WebDriverWait(Browser, TimeSpan.FromSeconds(10)).Until(
driver => (long)javascript.ExecuteScript("console.log(window.modalDisplayState); return window.modalDisplayState.length") == 2);
var javascript = (IJavaScriptExecutor)Browser;
javascript.ExecuteScript("Blazor._internal.forceCloseConnection()");

var states = (string)javascript.ExecuteScript("return window.modalDisplayState.join(',')");
// We should see the 'reconnecting' UI appear
var reconnectionDialog = WaitUntilReconnectionDialogExists();
Browser.True(() => reconnectionDialog.GetCssValue("display") == "block");

Assert.Equal("block,none", states);
// Then it should disappear
new WebDriverWait(Browser, TimeSpan.FromSeconds(10))
.Until(driver => reconnectionDialog.GetCssValue("display") == "none");
}

[Fact]
Expand All @@ -169,16 +165,17 @@ public void RendersContinueAfterReconnect()
var initialValue = element.Text;

var javascript = (IJavaScriptExecutor)Browser;
javascript.ExecuteScript(@"
window.connectionUp = false;
window.Blazor.circuitHandlers.push({
onConnectionUp: () => window.connectionUp = true
});
window.Blazor._internal.forceCloseConnection();");
javascript.ExecuteScript("Blazor._internal.forceCloseConnection()");

new WebDriverWait(Browser, TimeSpan.FromSeconds(10)).Until(
driver => (bool)javascript.ExecuteScript("return window.connectionUp"));
// We should see the 'reconnecting' UI appear
var reconnectionDialog = WaitUntilReconnectionDialogExists();
Browser.True(() => reconnectionDialog.GetCssValue("display") == "block");

// Then it should disappear
new WebDriverWait(Browser, TimeSpan.FromSeconds(10))
.Until(driver => reconnectionDialog.GetCssValue("display") == "none");

// We should receive a render that occurred while disconnected
var currentValue = element.Text;
Assert.NotEqual(initialValue, currentValue);

Expand All @@ -204,5 +201,13 @@ public void ErrorsStopTheRenderingProcess()
Browser.True(() => Browser.Manage().Logs.GetLog(LogType.Browser)
.Any(l => l.Level == LogLevel.Info && l.Message.Contains("Connection disconnected.")));
}

private IWebElement WaitUntilReconnectionDialogExists()
{
IWebElement reconnectionDialog = null;
new WebDriverWait(Browser, TimeSpan.FromSeconds(10))
.Until(driver => (reconnectionDialog = driver.FindElement(By.Id("components-reconnect-modal"))) != null);
return reconnectionDialog;
}
}
}