Merge pull request #34 from buntec/topic/coverage

Setup scoverage

Author: armanbilge

.github/workflows/ci.yml

@@ -181,3 +181,49 @@ jobs:
 
       - name: Publish
         run: sbt '++${{ matrix.scala }}' tlRelease
+
+  coverage:
+    name: Generate coverage report
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [2.13.8]
+        java: [temurin@8]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (fast)
+        uses: actions/checkout@v2
+
+      - name: Download Java (temurin@8)
+        id: download-java-temurin-8
+        if: matrix.java == 'temurin@8'
+        uses: typelevel/download-java@v1
+        with:
+          distribution: temurin
+          java-version: 8
+
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v2
+        with:
+          distribution: jdkfile
+          java-version: 8
+          jdkFile: ${{ steps.download-java-temurin-8.outputs.jdkFile }}
+
+      - name: Cache sbt
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.sbt
+            ~/.ivy2/cache
+            ~/.coursier/cache/v1
+            ~/.cache/coursier/v1
+            ~/AppData/Local/Coursier/Cache/v1
+            ~/Library/Caches/Coursier/v1
+          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+
+      - run: npm install
+
+      - run: 'sbt ''++${{ matrix.scala }}'' ''set Global / useJSEnv := JSEnv.JSDOM'' coverage test coverageAggregate'
+
+      - run: 'bash <(curl -s https://codecov.io/bash)'

.gitignore

@@ -5,3 +5,4 @@ metals.sbt
 target/
 .vscode/
 .DS_Store
+node_modules/

build.sbt

@@ -18,12 +18,38 @@ ThisBuild / githubWorkflowBuildMatrixAdditions += "browser" -> List(
   "Firefox"
 )
 ThisBuild / githubWorkflowBuildSbtStepPreamble += s"set Global / useJSEnv := JSEnv.$${{ matrix.browser }}"
+
+ThisBuild / coverageScalacPluginVersion := "2.0.0-M6"
+ThisBuild / githubWorkflowAddedJobs +=
+  WorkflowJob(
+    id = "coverage",
+    name = "Generate coverage report",
+    scalas = List(scala213),
+    javas = githubWorkflowJavaVersions.value.toList,
+    steps = List(WorkflowStep.Checkout)
+      ++ WorkflowStep.SetupJava(githubWorkflowJavaVersions.value.toList)
+      ++ githubWorkflowGeneratedCacheSteps.value
+      ++ List(
+        WorkflowStep.Run(List("npm install")),
+        WorkflowStep.Sbt(
+          List(
+            "set Global / useJSEnv := JSEnv.JSDOM",
+            "coverage",
+            "test",
+            "coverageAggregate"
+          )
+        ),
+        WorkflowStep.Run(List("bash <(curl -s https://codecov.io/bash)"))
+      )
+  )
+
 lazy val useJSEnv = settingKey[JSEnv]("Browser for running Scala.js tests")
 Global / useJSEnv := JSEnv.Chrome
 ThisBuild / Test / jsEnv := {
   import org.openqa.selenium.chrome.ChromeOptions
   import org.openqa.selenium.firefox.FirefoxOptions
   import org.scalajs.jsenv.selenium.SeleniumJSEnv
+  import org.scalajs.jsenv.jsdomnodejs.JSDOMNodeJSEnv
   useJSEnv.value match {
     case JSEnv.Chrome =>
       val options = new ChromeOptions()
@@ -33,6 +59,8 @@ ThisBuild / Test / jsEnv := {
       val options = new FirefoxOptions()
       options.setHeadless(true)
       new SeleniumJSEnv(options)
+    case JSEnv.JSDOM =>
+      new JSDOMNodeJSEnv()
   }
 }