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Merge pull request #802 from icnocop/master
Waiting until Internet Explorer process being debugged has exited before continuing when using the web server
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,59 +1,69 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using Chutzpah.Models; | ||
| using Chutzpah.Utility; | ||
|
|
||
| namespace Chutzpah.VS.Common | ||
| { | ||
| public class VsDebuggerTestLauncher : ITestLauncher | ||
| using System; | ||
| using System.Diagnostics; | ||
| using Chutzpah.Models; | ||
| using Chutzpah.Utility; | ||
|
|
||
| namespace Chutzpah.VS.Common | ||
| { | ||
| public class VsDebuggerTestLauncher : ITestLauncher | ||
| { | ||
| readonly IUrlBuilder urlBuilder; | ||
|
|
||
| public Process DebuggingProcess { get; set; } | ||
|
|
||
| public VsDebuggerTestLauncher(IUrlBuilder urlBuilder) | ||
| { | ||
| this.urlBuilder = urlBuilder; | ||
| } | ||
|
|
||
| public void LaunchTest(TestContext testContext) | ||
| } | ||
|
|
||
| public void LaunchTest(TestContext testContext) | ||
| { | ||
| var file = testContext.TestHarnessPath; | ||
| file = urlBuilder.GenerateFileUrl(testContext, file, fullyQualified: true); | ||
|
|
||
| // Start IE. | ||
| ProcessStartInfo startInfo = new ProcessStartInfo() | ||
| { | ||
| UseShellExecute = true, | ||
| FileName = BrowserPathHelper.GetBrowserPath("ie"), | ||
| Arguments = string.Format("-noframemerging -suspended -debug {0}", file) | ||
| // -noframemerging | ||
| // This is what VS does when launching the script debugger. | ||
| // Unsure whether strictly necessary. | ||
| // -suspended | ||
| // This is what VS does when launching the script debugger. | ||
| // Seems to cause IE to suspend all threads which is what we want. | ||
| // -debug | ||
| // This is what VS does when launching the script debugger. | ||
| // Not sure exactly what it does. | ||
| }; | ||
| Process ieMainProcess = Process.Start(startInfo); | ||
|
|
||
| // Get child 'tab' process spawned by IE. | ||
| // We need to wait a few ms for IE to open the process. | ||
| Process ieTabProcess = null; | ||
| for (int i = 0;; ++i) { | ||
| System.Threading.Thread.Sleep(10); | ||
| ieTabProcess = ProcessExtensions.FindFirstChildProcessOf(ieMainProcess.Id); | ||
| if (ieTabProcess != null) { | ||
| break; } | ||
| if (i > 400) { // 400 * 10 = 4s timeout | ||
| throw new InvalidOperationException("Timeout waiting for Internet Explorer child process to start."); } | ||
| } | ||
|
|
||
| // Debug the script in that tab process. | ||
| DteHelpers.DebugAttachToProcess(ieTabProcess.Id, "script"); | ||
|
|
||
| // Resume the threads in the IE process which where started off suspended. | ||
| ieTabProcess.Resume(); | ||
| } | ||
| } | ||
| } | ||
| ProcessStartInfo startInfo = new ProcessStartInfo() | ||
| { | ||
| UseShellExecute = true, | ||
| FileName = BrowserPathHelper.GetBrowserPath("ie"), | ||
| Arguments = string.Format("-noframemerging -suspended -debug {0}", file) | ||
| // -noframemerging | ||
| // This is what VS does when launching the script debugger. | ||
| // Unsure whether strictly necessary. | ||
| // -suspended | ||
| // This is what VS does when launching the script debugger. | ||
| // Seems to cause IE to suspend all threads which is what we want. | ||
| // -debug | ||
| // This is what VS does when launching the script debugger. | ||
| // Not sure exactly what it does. | ||
| }; | ||
| Process ieMainProcess = Process.Start(startInfo); | ||
|
|
||
| int ieBrowserTabOpenTimeout = ((testContext.TestFileSettings.IEBrowserTabOpenTimeout ?? Constants.DefaultIEBrowserTabOpenTimeout) * 100); | ||
|
|
||
| // Get child 'tab' process spawned by IE. | ||
| for (int i = 0;; ++i) | ||
| { | ||
| // We need to wait a few ms for IE to open the process. | ||
| System.Threading.Thread.Sleep(10); | ||
|
|
||
| this.DebuggingProcess = ProcessExtensions.FindFirstChildProcessOf(ieMainProcess.Id); | ||
| if (this.DebuggingProcess != null) | ||
| { | ||
| break; | ||
| } | ||
|
|
||
| if (i > ieBrowserTabOpenTimeout) | ||
| { | ||
| throw new InvalidOperationException("Timeout waiting for Internet Explorer child process to start."); | ||
| } | ||
| } | ||
|
|
||
| // Debug the script in that tab process. | ||
| DteHelpers.DebugAttachToProcess(this.DebuggingProcess.Id, "script"); | ||
|
|
||
| // Resume the threads in the IE process which where started off suspended. | ||
| this.DebuggingProcess.Resume(); | ||
| } | ||
| } | ||
| } |
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