Cut cypress videos and keep only failed tests

scm-ui/e2e-tests/src/index.js

@@ -1,6 +1,34 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
 const cypress = require("cypress");
 const fs = require("fs");
 const path = require("path");
+const ffmpegPath = require("@ffmpeg-installer/ffmpeg").path;
+const ffmpeg = require("fluent-ffmpeg");
+
+ffmpeg.setFfmpegPath(ffmpegPath);
 
 const options = {
   reporter: "junit",
@@ -9,6 +37,32 @@ const options = {
   }
 };
 
+const createOuputFile = test => {
+  const title = test.title.join(" -- ");
+  return path.join("cypress", "videos", `${title}.mp4`);
+};
+
+const cutVideo = (video, test) => {
+  return new Promise((resolve, reject) => {
+    const title = createOuputFile(test);
+    ffmpeg(video)
+      .setStartTime(test.videoTimestamp / 1000)
+      .setDuration(test.wallClockDuration / 1000)
+      .output(title)
+      .on("end", err => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve();
+        }
+      })
+      .on("error", err => {
+        reject(err);
+      })
+      .run();
+  });
+};
+
 cypress
   .run(options)
   .then(results => {
@@ -16,6 +70,16 @@ cypress
       // remove videos of successful runs
       if (!run.shouldUploadVideo) {
         fs.unlinkSync(run.video);
+      } else {
+        const cuts = [];
+        run.tests.forEach(test => {
+          if (test.state !== "passed") {
+            cuts.push(cutVideo(run.video, test));
+          }
+        });
+        Promise.all(cuts)
+          .then(() => fs.unlinkSync(run.video))
+          .catch(err => console.error("failed to cut video", err));
       }
     });
   })