bld-pitest/src/test/java/rife/bld/extension/PitestOperationTest.java

/*
 * Copyright 2023-2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package rife.bld.extension;

import org.junit.jupiter.api.Test;
import rife.bld.BaseProject;
import rife.bld.Project;
import rife.bld.WebProject;

import java.io.IOException;
import java.nio.file.Files;
import java.util.List;
import java.util.Set;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatCode;
import static rife.bld.extension.PitestOperation.*;

class PitestOperationTest {
    private static final String AS_LIST = "as list";
    private final static String BAR = "bar";
    private final static String FOO = "foo";
    private final static String FOOBAR = FOO + ',' + BAR;

    @Test
    void argLine() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .argLine(FOO);
        assertThat(op.options.get("--argLine")).isEqualTo(FOO);
    }

    @Test
    void avoidCallsTo() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .avoidCallsTo(FOO, BAR);
        assertThat(op.options.get("--avoidCallsTo")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .avoidCallsTo(List.of(FOO, BAR));
        assertThat(op.options.get("--avoidCallsTo")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void classPath() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .classPath(FOO, BAR);
        assertThat(op.options.get("--classPath")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .classPath(List.of(FOO, BAR));
        assertThat(op.options.get("--classPath")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void classPathFile() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .classPathFile(FOO);
        assertThat(op.options.get("--classPathFile")).isEqualTo(FOO);
    }

    @Test
    void coverageThreshold() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .coverageThreshold(3);
        assertThat(op.options.get("--coverageThreshold")).isEqualTo("3");

        op = new PitestOperation()
                .fromProject(new BaseProject())
                .coverageThreshold(101);
        assertThat(op.options.get("--coverageThreshold")).isNull();
    }

    @Test
    void detectInlinedCode() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .detectInlinedCode(true);
        assertThat(op.options.get("--detectInlinedCode")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .detectInlinedCode(false);
        assertThat(op.options.get("--detectInlinedCode")).isEqualTo(FALSE);
    }

    @Test
    void excludedClasses() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .excludedClasses(FOO, BAR);
        assertThat(op.options.get("--excludedClasses")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .excludedClasses(Set.of(FOO, BAR));
        assertThat(op.options.get("--excludedClasses")).as("as set").contains(FOO).contains(BAR).contains(",");
    }

    @Test
    void excludedGroups() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .excludedGroups(FOO, BAR);
        assertThat(op.options.get("--excludedGroups")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .excludedGroups(List.of(FOO, BAR));
        assertThat(op.options.get("--excludedGroups")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void excludedMethods() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .excludedMethods(FOO, BAR);
        assertThat(op.options.get("--excludedMethods")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .excludedMethods(List.of(FOO, BAR));
        assertThat(op.options.get("--excludedMethods")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void excludedTests() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .excludedTests(FOO, BAR);
        assertThat(op.options.get("--excludedTests")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .excludedTests(List.of(FOO, BAR));
        assertThat(op.options.get("--excludedTests")).as("as list").isEqualTo(FOOBAR);
    }

    @Test
    void execute() throws IOException {
        var tmpDir = Files.createTempDirectory("bld-pitest-");
        tmpDir.toFile().deleteOnExit();
        var op = new PitestOperation().
                fromProject(new WebProject())
                .reportDir(tmpDir.toAbsolutePath().toString())
                .targetClasses("com.example.*")
                .targetTests("com.example.*")
                .verbose(true)
                .failWhenNoMutations(false)
                .sourceDirs("examples/src");

        assertThatCode(op::execute).doesNotThrowAnyException();
        assertThat(tmpDir).isEmptyDirectory();
    }

    @Test
    void executeConstructProcessCommandList() {
        var op = new PitestOperation().
                fromProject(new WebProject())
                .reportDir("outputdir")
                .targetClasses("com.your.package.tobemutated*")
                .targetTests("com.your.package.*")
                .sourceDirs("parthsource");

        assertThat(String.join(" ", op.executeConstructProcessCommandList())).endsWith(
                " org.pitest.mutationtest.commandline.MutationCoverageReport " +
                        "--targetTests com.your.package.* " +
                        "--reportDir outputdir " +
                        "--targetClasses com.your.package.tobemutated* " +
                        "--sourceDirs parthsource");

        op = new PitestOperation()
                .fromProject(new BaseProject())
                .reportDir("c:\\mutationReports")
                .targetClasses("example.foo.*")
                .sourceDirs("c:\\myProject\\src")
                .targetTests("example.foo*")
                .threads(2)
                .excludedMethods("hashcode", "equals");
        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("mutationReports").endsWith(
                "org.pitest.mutationtest.commandline.MutationCoverageReport " +
                        "--targetTests example.foo* " +
                        "--threads 2 " +
                        "--excludedMethods hashcode,equals " +
                        "--reportDir c:\\mutationReports " +
                        "--targetClasses example.foo.* " +
                        "--sourceDirs c:\\myProject\\src");
    }

    @Test
    void exportLineCoverage() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .exportLineCoverage(true);
        assertThat(op.options.get("--exportLineCoverage")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .exportLineCoverage(false);
        assertThat(op.options.get("--exportLineCoverage")).isEqualTo(FALSE);
    }

    @Test
    void failWhenNoMutations() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .failWhenNoMutations(true);
        assertThat(op.options.get("--failWhenNoMutations")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .failWhenNoMutations(false);
        assertThat(op.options.get("--failWhenNoMutations")).isEqualTo(FALSE);
    }

    @Test
    void features() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .features(FOO, BAR);
        assertThat(op.options.get("--features")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .features(List.of(FOO, BAR));
        assertThat(op.options.get("--features")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void historyInputLocation() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .historyInputLocation(FOO);
        assertThat(op.options.get("--historyInputLocation")).isEqualTo(FOO);
    }

    @Test
    void historyOutputLocation() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .historyOutputLocation(FOO);
        assertThat(op.options.get("--historyOutputLocation")).isEqualTo(FOO);
    }

    @Test
    void includeLaunchClasspath() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .includeLaunchClasspath(true);
        assertThat(op.options.get("--includeLaunchClasspath")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .includeLaunchClasspath(false);
        assertThat(op.options.get("--includeLaunchClasspath")).isEqualTo(FALSE);
    }

    @Test
    void includedGroups() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .includedGroups(FOO, BAR);
        assertThat(op.options.get("--includedGroups")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .includedGroups(List.of(FOO, BAR));
        assertThat(op.options.get("--includedGroups")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void jvmArgs() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .jvmArgs(FOO, BAR);
        assertThat(op.options.get("--jvmArgs")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .jvmArgs(List.of(FOO, BAR));
        assertThat(op.options.get("--jvmArgs")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void jvmPath() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .jvmPath(FOO);
        assertThat(op.options.get("--jvmPath")).isEqualTo(FOO);
    }

    @Test
    void mutableCodePaths() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .mutableCodePaths(FOO, BAR);
        assertThat(op.options.get("--mutableCodePaths")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .mutableCodePaths(List.of(FOO, BAR));
        assertThat(op.options.get("--mutableCodePaths")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void mutationThreshold() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .mutationThreshold(3);
        assertThat(op.options.get("--mutationThreshold")).isEqualTo("3");

        op = new PitestOperation()
                .fromProject(new BaseProject())
                .mutationThreshold(101);
        assertThat(op.options.get("--mutationThreshold")).isNull();
    }

    @Test
    void mutators() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .mutators(FOO, BAR);
        assertThat(op.options.get("--mutators")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .mutators(List.of(FOO, BAR));
        assertThat(op.options.get("--mutators")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void outputEncoding() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .outputEncoding(FOO);
        assertThat(op.options.get("--outputEncoding")).isEqualTo(FOO);
    }

    @Test
    void outputFormats() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .outputFormats(FOO, BAR);
        assertThat(op.options.get("--outputFormats")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .outputFormats(List.of(FOO, BAR));
        assertThat(op.options.get("--outputFormats")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void reportDir() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .reportDir(FOO);
        assertThat(op.options.get("--reportDir")).isEqualTo(FOO);
    }

    @Test
    void skipFailingTests() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .skipFailingTests(true);
        assertThat(op.options.get("--skipFailingTests")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .skipFailingTests(false);
        assertThat(op.options.get("--skipFailingTests")).isEqualTo(FALSE);
    }

    @Test
    void sourceDirs() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .sourceDirs(FOO, BAR);
        assertThat(op.options.get(SOURCE_DIRS)).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .sourceDirs(List.of(FOO, BAR));
        assertThat(op.options.get(SOURCE_DIRS)).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void targetClasses() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .targetClasses(FOO, BAR);
        assertThat(op.options.get("--targetClasses")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .targetClasses(List.of(FOO, BAR));
        assertThat(op.options.get("--targetClasses")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void targetTests() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .targetTests(FOO, BAR);
        assertThat(op.options.get("--targetTests")).isEqualTo(FOOBAR);

        op = new PitestOperation()
                .fromProject(new Project())
                .targetTests(List.of(FOO, BAR));
        assertThat(op.options.get("--targetTests")).as(AS_LIST).isEqualTo(FOOBAR);
    }

    @Test
    void threads() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .threads(3);
        assertThat(op.options.get("--threads")).isEqualTo("3");
    }

    @Test
    void timeoutConst() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .timeoutConst(300);
        assertThat(op.options.get("--timeoutConst")).isEqualTo("300");
    }

    @Test
    void timeoutFactor() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .timeoutFactor(5.25);
        assertThat(op.options.get("--timeoutFactor")).isEqualTo("5.25");
    }

    @Test
    void timestampedReports() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .timestampedReports(true);
        assertThat(op.options.get("--timestampedReports")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .timestampedReports(false);
        assertThat(op.options.get("--timestampedReports")).isEqualTo(FALSE);
    }

    @Test
    void useClasspathJar() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .useClasspathJar(true);
        assertThat(op.options.get("--useClasspathJar")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .useClasspathJar(false);
        assertThat(op.options.get("--useClasspathJar")).isEqualTo(FALSE);
    }

    @Test
    void verbose() {
        var op = new PitestOperation()
                .fromProject(new BaseProject())
                .verbose(true);
        assertThat(op.options.get("--verbose")).isEqualTo(TRUE);

        op = new PitestOperation()
                .fromProject(new Project())
                .verbose(false);
        assertThat(op.options.get("--verbose")).isEqualTo(FALSE);
    }
}