Added CI via github actions

Author: petertrr

.github/workflows/build_and_test.yml

@@ -0,0 +1,39 @@
+name: Build and test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  build_and_test_with_code_coverage:
+    name: Build, test and upload code coverage
+    runs-on: ubuntu-20.04
+
+    steps:
+      # actions/checkout v1.* is needed for correct codecov upload, see https://github.com/actions/checkout/issues/237 for details
+      - uses: actions/checkout@v1
+      # ensure that gradle wrapper files in repository are valid by checking checksums
+      - uses: gradle/wrapper-validation-action@v1
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.11
+      - uses: burrunan/gradle-cache-action@v1
+        name: Gradle build with caches caching
+        with:
+          arguments: build
+          gradle-version: wrapper
+      - name: Upload test reports
+        if: ${{ failure() }}  # runs only if previous step has failed, the entire workflow will still be marked as failed
+        uses: actions/upload-artifact@v2
+        with:
+          name: gradle-test-report
+          path: '**/build/reports/'
+      - name: Code coverage report
+        # disabled until repo is private
+        uses: codecov/codecov-action@v1
+        with:
+          flags: unittests
+          fail_ci_if_error: true # optional (default = false)

README.md

@@ -1,4 +1,8 @@
 # kotlin-diff-utils
+![Build and test](https://github.com/petertrr/kotlin-diff-utils/workflows/Build%20and%20test/badge.svg)
+[![License](https://img.shields.io/github/license/petertrr/kotlin-diff-utils)](https://github.com/petertrr/kotlin-diff-utils/blob/main/LICENSE)
+[![codecov](https://codecov.io/gh/petertrr/kotlin-diff-utils/branch/main/graph/badge.svg)](https://codecov.io/gh/petertrr/kotlin-diff-utils)
+
 This is a port of [java-diff-utils](https://github.com/java-diff-utils/java-diff-utils) to kotlin
 with multiplatform support. All credit for the implementation goes to original authors.
 

build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "io.github.petertrr"
-version = "0.0.1-SNAPSHOT"
+version = "0.1.0-SNAPSHOT"
 
 repositories {
     mavenCentral()