web: workaround flaky CI test runner (#1550)

* web: workaround flaky CI test runner

* Move config path to test-utils/conf/karma.config.common.d

* Reusing same karma config everywhere aprt benchmarks

it looks like we can have only one karma config directory

Co-authored-by: Oleksandr Karpovich <oleksandr.karpovich@jetbrains.com>
Co-authored-by: Shagen Ogandzhanian <shagen.ogandzhanian@jetbrains.com>

web/compose-compiler-integration/build.gradle.kts

@@ -9,6 +9,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     useFirefox()
                 }

web/core/build.gradle.kts

@@ -10,6 +10,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     //useFirefox()
                 }

web/integration-core/build.gradle.kts

@@ -19,6 +19,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     useFirefox()
                 }

web/integration-widgets/build.gradle.kts

@@ -9,6 +9,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     useFirefox()
                 }

web/internal-web-core-runtime/build.gradle.kts

@@ -9,6 +9,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     useFirefox()
                 }

web/svg/build.gradle.kts

@@ -9,6 +9,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                 }
             }

web/test-utils/build.gradle.kts

@@ -13,6 +13,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     useFirefox()
                 }

web/test-utils/conf/karma-kotlin-runner-decorator/karma-kotlin-reporter-decorated.js

@@ -0,0 +1,32 @@
+// This is a workaround for https://github.com/karma-runner/karma-teamcity-reporter/issues/86
+
+const kotlinReporterModule = require("../../../build/js/packages_imported/kotlin-test-js-runner/1.5.31/karma-kotlin-reporter");
+
+const KotlinReporter = kotlinReporterModule['reporter:karma-kotlin-reporter'][1];
+
+const NewReporter = function(baseReporterDecorator, config, emitter) {
+    KotlinReporter.call(this, baseReporterDecorator, config, emitter);
+
+    const onBrowserLogOriginal = this.onBrowserLog;
+    const onSpecCompleteOriginal = this.onSpecComplete;
+
+    this.onBrowserLog = (browser, log, type) => {
+        if (!this.browserResults[browser.id]) {
+            this.initializeBrowser(browser);
+        }
+        onBrowserLogOriginal(browser, log, type);
+    }
+
+    this.onSpecComplete = function (browser, result) {
+        if (!this.browserResults[browser.id]) {
+            this.initializeBrowser(browser);
+        }
+        onSpecCompleteOriginal(browser, result);
+    }
+}
+
+NewReporter.$inject = KotlinReporter.$inject;
+
+module.exports = {
+    'reporter:karma-kotlin-reporter': ['type', NewReporter]
+};

web/test-utils/conf/karma.config.common.d/patch.js

@@ -0,0 +1,4 @@
+config.plugins = config.plugins || [];
+config.plugins = config.plugins.filter(it => it !== "kotlin-test-js-runner/karma-kotlin-reporter.js");
+config.plugins.push("../../../../../test-utils/conf/karma-kotlin-runner-decorator/karma-kotlin-reporter-decorated.js");
+

web/widgets/build.gradle.kts

@@ -10,6 +10,7 @@ kotlin {
         browser() {
             testTask {
                 useKarma {
+                    useConfigDirectory("${rootProject.projectDir}/test-utils/conf/karma.config.common.d")
                     useChromeHeadless()
                     useFirefox()
                 }