【发布时间】：2019-11-28 05:42:47
【问题描述】：
由于某种原因，在我们的 CI 中，我们需要在 docker 容器内运行节点测试（包括获取依赖项等）。所以，我试图让 UI 测试作为 docker build 的一部分运行。
这就是我的 Dockerfile 的样子：
FROM testcafe/testcafe:1.3.3
USER root
#some packages needed for some dependencies
RUN apk add --no-cache yarn python make build-base vim curl
RUN ln -s /opt/testcafe/docker/testcafe-docker.sh /usr/local/bin/testcafe-docker
WORKDIR /usr/src/app
RUN yarn config set registry https://private-npm-registry --global
COPY package*.json ./
RUN yarn
COPY . .
RUN yarn test:ui:ci
# "test:ui:clean": "rm -rf uitests/reports"
# "test:ui:ci-debug": "yarn test:ui:clean; testcafe-docker 'chromium --no-sandbox' uitests/tests -S -s uitests/reports/screenshots --video uitests/reports/videos -r spec,json:uitests/reports/report.json,html:uitests/reports/report.html",
# "test:ui:ci": "start-server-and-test serve http://127.0.0.1:8080 test:ui:ci-debug"
我收到ERROR Unable to establish one or more of the specified browser connections. This can be caused by network issues or remote device failure.
另外，我尝试使用user 用户，但在运行测试之前在uitests 文件夹内创建reports 文件夹时出现权限错误。
我尝试了使用和不使用--no-sandbox 选项，遇到了同样的问题。也试过chromium:headless --no-sandbox，还是一样的错误。
有什么建议吗？谢谢。
更新：
还尝试了用户：user（通过使用/tmp 文件夹进行报告来避免权限问题）并遇到了同样的问题：
20-Jul-2019 23:53:33 > yarn test:ui:clean; whoami; ls -sail; testcafe-docker 'chromium --no-sandbox' uitests/tests -S -s /tmp/uitests/reports/screenshots --video /tmp/uitests/reports/videos -r spec,json:/tmp/uitests/reports/report.json,html:/tmp/uitests/reports/report.html
20-Jul-2019 23:53:33
20-Jul-2019 23:53:34 $ rm -rf /tmp/uitests/reports
20-Jul-2019 23:53:34 user
20-Jul-2019 23:53:34 total 528
20-Jul-2019 23:53:34 13 4 drwxr-xr-x 10 user user 4096 Jul 20 13:52 .
20-Jul-2019 23:53:34 12 4 drwxr-xr-x 8 root root 4096 Jul 20 13:52 ..
20-Jul-2019 23:53:34 79 4 -rw-r--r-- 1 root root 20 Jul 19 07:06 .dockerignore
20-Jul-2019 23:53:34 75 4 -rw-r--r-- 1 root root 45 Jul 19 07:06 .eslintignore
20-Jul-2019 23:53:34 83 4 -rw-r--r-- 1 root root 790 Jul 19 07:06 .eslintrc
20-Jul-2019 23:53:34 78 4 drwxr-xr-x 8 root root 4096 Jul 20 13:48 .git
20-Jul-2019 23:53:34 82 4 -rw-r--r-- 1 root root 326 Jul 20 13:48 .gitignore
20-Jul-2019 23:53:34 87 4 -rw-r--r-- 1 root root 189 Jul 19 07:06 Dockerfile
20-Jul-2019 23:53:34 81 4 -rw-r--r-- 1 root root 592 Jul 20 13:48 DockerfileUITest
20-Jul-2019 23:53:34 89 4 -rw-r--r-- 1 root root 451 Jul 19 07:06 README.md
20-Jul-2019 23:53:34 90 4 drwxr-xr-x 3 root root 4096 Jul 19 07:06 backend
20-Jul-2019 23:53:34 4096 4 drwxr-xr-x 3 user user 4096 Jul 20 13:53 build
20-Jul-2019 23:53:34 85 4 -rwxr-xr-x 1 root root 959 Jul 19 07:06 build.sh
20-Jul-2019 23:53:34 84 4 -rw-r--r-- 1 root root 1124 Jul 19 07:06 deploy.yaml
20-Jul-2019 23:53:34 91 4 drwxr-xr-x 1348 user user 4096 Jul 20 13:52 node_modules
20-Jul-2019 23:53:34 74 4 -rw-r--r-- 1 root root 2959 Jul 20 13:48 package.json
20-Jul-2019 23:53:34 76 4 drwxr-xr-x 2 root root 4096 Jul 19 07:06 public
20-Jul-2019 23:53:34 88 4 -rwxr-xr-x 1 root root 742 Jul 19 07:06 runUITestsInCI.sh
20-Jul-2019 23:53:34 77 4 drwxr-xr-x 8 root root 4096 Jul 19 07:06 src
20-Jul-2019 23:53:34 80 4 drwxr-xr-x 7 root root 4096 Jul 19 07:06 uitests
20-Jul-2019 23:53:34 86 448 -rw-r--r-- 1 root root 454847 Jul 20 13:48 yarn.lock
20-Jul-2019 23:53:34 Using locally installed version of TestCafe.
20-Jul-2019 23:55:36 ERROR Unable to establish one or more of the specified browser connections. This can be caused by network issues or remote device failure.
20-Jul-2019 23:55:36
20-Jul-2019 23:55:36 Type "testcafe -h" for help.
更新 2：
用 firefox 也试过了，同样的问题：ERROR Unable to establish one or more of the specified browser connections. This can be caused by network issues or remote device failure.
更新 3：
抱歉耽搁了。在别的事情上分心了。在 CI 和本地机器上都试过了，这是相同的行为。还尝试了评论 echo -e '#!/bin/sh\n/usr/bin/chromium-browser --no-sandbox --remote-debugging-port=9222 --headless' > /usr/local/bin/testcafe-docker 中的建议，并在 CI 和本地环境中获得了以下输出。
02-Dec-2019 18:45:17 DevTools listening on ws://127.0.0.1:9222/devtools/browser/711c6409-be9a-4e08-959e-0c994c8c5742
02-Dec-2019 18:45:17 [1202/074517.060637:ERROR:gl_implementation.cc(282)] Failed to load /usr/lib/chromium/swiftshader/libGLESv2.so: Error loading shared library /usr/lib/chromium/swiftshader/libGLESv2.so: No such file or directory
02-Dec-2019 18:45:17 [1202/074517.064824:ERROR:viz_main_impl.cc(176)] Exiting GPU process due to errors during initialization
02-Dec-2019 18:45:17 [1202/074517.072317:WARNING:dns_config_service_posix.cc(341)] Failed to read DnsConfig.
02-Dec-2019 18:45:17 [1202/074517.072782:WARNING:gpu_process_host.cc(1220)] The GPU process has crashed 1 time(s)
02-Dec-2019 18:45:17 [1202/074517.135149:ERROR:gl_implementation.cc(282)] Failed to load /usr/lib/chromium/swiftshader/libGLESv2.so: Error loading shared library /usr/lib/chromium/swiftshader/libGLESv2.so: No such file or directory
02-Dec-2019 18:45:17 [1202/074517.139203:ERROR:viz_main_impl.cc(176)] Exiting GPU process due to errors during initialization
02-Dec-2019 18:45:17 [1202/074517.143251:WARNING:gpu_process_host.cc(1220)] The GPU process has crashed 2 time(s)
02-Dec-2019 18:45:17 [1202/074517.208950:WARNING:gpu_process_host.cc(990)] Reinitialized the GPU process after a crash. The reported initialization time was 0 ms
02-Dec-2019 18:45:17 [1202/074517.209227:ERROR:gpu_channel_manager.cc(397)] ContextResult::kFatalFailure: Failed to create shared context for virtualization.
【问题讨论】：
-
能否请您检查问题是否可重现：- 在您本地机器上的 Docker 中？ - 在带有 TestCafe 图像的 CI 上的 Docker 中？此外，您可能希望将 Docker 文件中的
RUN ln -s /opt/testcafe/docker/testcafe-docker.sh /usr/local/bin/testcafe-docker替换为以下行：RUN echo -e '#!/bin/sh\n/usr/bin/chromium-browser --no-sandbox --remote-debugging-port=9222 --headless' > /usr/local/bin/testcafe-docker; chmod +x /usr/local/bin/testcafe-docker并向我们提供 Chrome 输出。 -
更新了原始问题。不好意思推迟了。有vnc吗？可以在 docker 容器中看到浏览器（非无头）吗？
标签： automated-tests chromium e2e-testing testcafe docker-build