selenium: Add JUnit reporter

JUnit reporter is required to create the XML file that Jenkins uses to
create Test Result Trend chart for selenium-daily-beta-Math
job.

Bug: T214686
Change-Id: Ic2373f3b89946cf191cfcb1dd9ed99608deb660c

package-lock.json

@@ -723,6 +723,12 @@
 			"integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
 			"dev": true
 		},
+		"@types/cucumber": {
+			"version": "6.0.1",
+			"resolved": "https://registry.npmjs.org/@types/cucumber/-/cucumber-6.0.1.tgz",
+			"integrity": "sha512-+GZV6xfN0MeN9shDCdny8GbC8N0+U6uca8cjyaJndcwmrUhwS6qOU2vmYn0d71EOwJF568/v3SxJ8VKxuZNYRw==",
+			"dev": true
+		},
 		"@types/http-cache-semantics": {
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/@types/http-cache-semantics/-/http-cache-semantics-4.0.0.tgz",
@@ -896,6 +902,30 @@
 				"glob": "^7.1.2"
 			}
 		},
+		"@wdio/junit-reporter": {
+			"version": "6.11.0",
+			"resolved": "https://registry.npmjs.org/@wdio/junit-reporter/-/junit-reporter-6.11.0.tgz",
+			"integrity": "sha512-wOc1SYEHdGaLdO3zdcJ0U55p/LxMZL4erHSeqHMSJZLtuNPJYvj3RgRrhnVYMcnR6OjzIMC/acQ/hU2QwrzXNQ==",
+			"dev": true,
+			"requires": {
+				"@wdio/reporter": "6.11.0",
+				"json-stringify-safe": "^5.0.1",
+				"junit-report-builder": "^2.1.0",
+				"validator": "^13.0.0"
+			},
+			"dependencies": {
+				"@wdio/reporter": {
+					"version": "6.11.0",
+					"resolved": "https://registry.npmjs.org/@wdio/reporter/-/reporter-6.11.0.tgz",
+					"integrity": "sha512-SStNZZUI0bXI+omyIU6ql4Rh+Dews1dz1GlowHDrBxwKMPyAwytgYokXLn3zr+E3tkHDiRyJjQxfDetBWBGmtg==",
+					"dev": true,
+					"requires": {
+						"@types/cucumber": "^6.0.1",
+						"fs-extra": "^9.0.0"
+					}
+				}
+			}
+		},
 		"@wdio/local-runner": {
 			"version": "6.1.16",
 			"resolved": "https://registry.npmjs.org/@wdio/local-runner/-/local-runner-6.1.16.tgz",
@@ -2117,6 +2147,12 @@
 				"assert-plus": "^1.0.0"
 			}
 		},
+		"date-format": {
+			"version": "0.0.2",
+			"resolved": "https://registry.npmjs.org/date-format/-/date-format-0.0.2.tgz",
+			"integrity": "sha1-+v1Ej3IRXvHitzkVWukvK+bCjdE=",
+			"dev": true
+		},
 		"dateformat": {
 			"version": "3.0.3",
 			"resolved": "https://registry.npmjs.org/dateformat/-/dateformat-3.0.3.tgz",
@@ -5311,6 +5347,18 @@
 				"verror": "1.10.0"
 			}
 		},
+		"junit-report-builder": {
+			"version": "2.1.0",
+			"resolved": "https://registry.npmjs.org/junit-report-builder/-/junit-report-builder-2.1.0.tgz",
+			"integrity": "sha512-Ioj5I4w18ZcHFaaisqCKdh1z+ipzN7sA2JB+h+WOlGcOMWm0FFN1dfxkgc2I4EXfhSP/mOfM3W43uFzEdz4sTw==",
+			"dev": true,
+			"requires": {
+				"date-format": "0.0.2",
+				"lodash": "^4.17.15",
+				"make-dir": "^1.3.0",
+				"xmlbuilder": "^10.0.0"
+			}
+		},
 		"keyv": {
 			"version": "4.0.1",
 			"resolved": "https://registry.npmjs.org/keyv/-/keyv-4.0.1.tgz",
@@ -5838,6 +5886,23 @@
 				"yallist": "^2.1.2"
 			}
 		},
+		"make-dir": {
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/make-dir/-/make-dir-1.3.0.tgz",
+			"integrity": "sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==",
+			"dev": true,
+			"requires": {
+				"pify": "^3.0.0"
+			},
+			"dependencies": {
+				"pify": {
+					"version": "3.0.0",
+					"resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+					"integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+					"dev": true
+				}
+			}
+		},
 		"make-iterator": {
 			"version": "1.0.1",
 			"resolved": "https://registry.npmjs.org/make-iterator/-/make-iterator-1.0.1.tgz",
@@ -8908,6 +8973,12 @@
 				"spdx-expression-parse": "^3.0.0"
 			}
 		},
+		"validator": {
+			"version": "13.6.0",
+			"resolved": "https://registry.npmjs.org/validator/-/validator-13.6.0.tgz",
+			"integrity": "sha512-gVgKbdbHgtxpRyR8K0O6oFZPhhB5tT1jeEHZR0Znr9Svg03U0+r9DXWMrnRAB+HtCStDQKlaIZm42tVsVjqtjg==",
+			"dev": true
+		},
 		"verror": {
 			"version": "1.10.0",
 			"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -9250,6 +9321,12 @@
 			"integrity": "sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==",
 			"dev": true
 		},
+		"xmlbuilder": {
+			"version": "10.1.1",
+			"resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-10.1.1.tgz",
+			"integrity": "sha512-OyzrcFLL/nb6fMGHbiRDuPup9ljBycsdCypwuyg5AAHvyWzGfChJpCXMG88AGTIMFhGZ9RccFN1e6lhg3hkwKg==",
+			"dev": true
+		},
 		"xtend": {
 			"version": "4.0.2",
 			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",

package.json

@@ -7,6 +7,7 @@
 	},
 	"devDependencies": {
 		"@wdio/cli": "6.1.16",
+		"@wdio/junit-reporter": "6.11.0",
 		"@wdio/local-runner": "6.1.16",
 		"@wdio/mocha-framework": "6.1.14",
 		"@wdio/spec-reporter": "6.1.14",

tests/selenium/wdio.conf.js

@@ -5,6 +5,8 @@
 'use strict';
 
 const fs = require( 'fs' ),
+	path = require( 'path' ),
+	logPath = process.env.LOG_DIR || path.join( __dirname, '/log' ),
 	saveScreenshot = require( 'wdio-mediawiki' ).saveScreenshot;
 
 exports.config = {
@@ -58,13 +60,24 @@ exports.config = {
 
 	// Setting this enables automatic screenshots for when a browser command fails
 	// It is also used by afterTest for capturig failed assertions.
-	screenshotPath: process.env.LOG_DIR || __dirname + '/log',
+	screenshotPath: logPath,
 
 	// Default timeout for each waitFor* command.
 	waitforTimeout: 10 * 1000,
 
-	// See also: http://webdriver.io/guide/testrunner/reporters.html
+	// See:
-	reporters: [ 'spec' ],
+	// https://webdriver.io/docs/dot-reporter
+	// https://webdriver.io/docs/junit-reporter
+	reporters: [
+		'spec',
+		[ 'junit', {
+			outputDir: logPath,
+			outputFileFormat: function () {
+				const makeFilenameDate = new Date().toISOString().replace( /[:.]/g, '-' );
+				return `WDIO.xunit-${makeFilenameDate}.xml`;
+			}
+		} ]
+	],
 
 	// See also: http://mochajs.org
 	mochaOpts: {