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Add integration test
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‎.github/workflows/integration-test.yml‎

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name: Integration tests
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on:
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push:
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branches: ["**"]
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concurrency:
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group: integration-test-${{ github.ref }}
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cancel-in-progress: true
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env:
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split-total: 4
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jobs:
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generate-split-index-json:
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name: Generate split indexes
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runs-on: ubuntu-latest
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outputs:
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json: ${{ steps.generate.outputs.split-index-json }}
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steps:
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- name: Checkout split-tests-java-action
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uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
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- name: Generate split index list
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id: generate
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uses: ./generate-split-index-json
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with:
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split-total: ${{ env.split-total }}
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integration-test:
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name: "Test #${{ matrix.split-index }}"
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runs-on: ubuntu-latest
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needs:
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- generate-split-index-json
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permissions:
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contents: read
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checks: write
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strategy:
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fail-fast: false
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matrix:
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split-index: ${{ fromjson(needs.generate-split-index-json.outputs.json) }}
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env:
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DOWNLOAD_JAR: false
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JAR_PATH: split-tests-java/build/libs/split-tests-java.jar
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steps:
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- name: Checkout split-tests-java-action
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uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
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- name: Checkout split-tests-java
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uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
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with:
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repository: Donnerbart/split-tests-java
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path: split-tests-java
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- name: Set up JDK 21
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uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4
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with:
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distribution: temurin
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java-version: 21
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- name: Set up Gradle
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uses: gradle/actions/setup-gradle@94baf225fe0a508e581a564467443d0e2379123b # v4
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- name: Compile split-tests-java
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working-directory: split-tests-java
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run: ./gradlew shadowJar
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- name: Split tests
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id: split-tests
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uses: ./
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with:
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split-index: ${{ matrix.split-index }}
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split-total: ${{ env.split-total }}
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glob: '**/integration-test/tests/*Test.java'
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exclude-glob: '**/NoClassNameTest.java'
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junit-glob: '**/integration-test/reports/*.xml'
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format: 'list'
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new-test-time: 'average'
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calculate-optimal-total-split: true
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debug: true
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- name: Assert split tests
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env:
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SPLIT_INDEX: ${{ matrix.split-index }}
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ACTUAL: ${{ steps.split-tests.outputs.test-suite }}
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run: |
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case "$SPLIT_INDEX" in
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"0")
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EXPECTED="de.donnerbart.example.SlowestTest"
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;;
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"1")
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EXPECTED="NoPackageTest de.donnerbart.example.ThirdPartyLibraryTest"
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;;
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"2")
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EXPECTED="de.donnerbart.example.NoTimingOneTest de.donnerbart.example.WhitespaceClassDefinitionTest"
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;;
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"3")
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EXPECTED="de.donnerbart.example.NoTimingTwoTest de.donnerbart.example.SlowTest de.donnerbart.example.FastTest"
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;;
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*)
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echo "Unexpected split index"
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exit 1
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;;
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esac
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echo "Expected: $EXPECTED"
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echo "Actual: $ACTUAL"
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if [ "$ACTUAL" != "$EXPECTED" ]; then
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echo "The split tests are not matching"
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exit 1
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fi

‎README.md‎

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[![Integration tests](https://github.com/Donnerbart/split-tests-java-action/actions/workflows/integration-test.yml/badge.svg)](https://github.com/Donnerbart/split-tests-java-action/actions/workflows/integration-test.yml)
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[![Release](https://github.com/Donnerbart/split-tests-java-action/actions/workflows/release.yml/badge.svg)](https://github.com/Donnerbart/split-tests-java-action/actions/workflows/release.yml)
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# @donnerbart/split-tests-java-action
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Divides a test suite into groups with equal execution time, based on prior test timings.

‎integration-test/reports/TEST-de.donnerbart.example.DeletedTest.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<testsuite name="de.donnerbart.example.DeletedTest" tests="1" skipped="0" failures="0" errors="0"
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timestamp="2025-01-01T00:00:00" hostname="example" time="2.374">
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<properties/>
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<testcase name="testDeletedMethod()"
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classname="de.donnerbart.example.DeletedTest" time="2.374"/>
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<system-out><![CDATA[]]></system-out>
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<system-err><![CDATA[]]></system-err>
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</testsuite>

‎integration-test/reports/TEST-de.donnerbart.example.FastTest.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<testsuite name="de.donnerbart.example.FastTest" tests="1" skipped="0" failures="0" errors="0"
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timestamp="2025-01-01T00:00:00" hostname="example" time="2.374">
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<properties/>
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<testcase name="testFastMethod()"
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classname="de.donnerbart.example.FastTest" time="2.374"/>
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<system-out><![CDATA[]]></system-out>
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<system-err><![CDATA[]]></system-err>
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</testsuite>

‎integration-test/reports/TEST-de.donnerbart.example.SlowTest.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<testsuite name="de.donnerbart.example.SlowTest" tests="1" skipped="0" failures="0" errors="0"
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timestamp="2025-01-01T00:00:00" hostname="example" time="12.386">
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<properties/>
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<testcase name="testFastMethod()"
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classname="de.donnerbart.example.SlowTest" time="12.386"/>
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<system-out><![CDATA[]]></system-out>
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<system-err><![CDATA[]]></system-err>
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</testsuite>

‎integration-test/reports/TEST-de.donnerbart.example.SlowestTest.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<testsuite name="de.donnerbart.example.SlowestTest" tests="1" skipped="0" failures="0" errors="0"
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timestamp="2025-01-01T00:00:00" hostname="example" time="153.457">
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<properties/>
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<testcase name="testFastMethod()"
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classname="de.donnerbart.example.SlowestTest" time="153.457"/>
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<system-out><![CDATA[]]></system-out>
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<system-err><![CDATA[]]></system-err>
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</testsuite>

‎integration-test/tests/AbstractTest.java‎

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package de.donnerbart.example;
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abstract class AbstractTest {
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abstract void implementableMethod();
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}

‎integration-test/tests/BaseTest.java‎

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package de.donnerbart.example;
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abstract class BaseTest {
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abstract void implementableMethod();
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}

‎integration-test/tests/DisabledTest.java‎

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package de.donnerbart.example;
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import org.junit.jupiter.api.Disabled;
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import org.junit.jupiter.api.Test;
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@Disabled("This test should be skipped")
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class DisabledTest {
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@Test
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void testDisabled() {
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}
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}

‎integration-test/tests/FastTest.java‎

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package de.donnerbart.example;
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import org.junit.jupiter.api.Test;
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class FastTest {
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@Test
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void testFastMethod() {
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}
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}

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