MKVAudioSubtitleChanger/src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/fields/SetConfigParameterTest.java

package at.pcgamingfreaks.mkvaudiosubtitlechanger.config.fields;

import at.pcgamingfreaks.mkvaudiosubtitlechanger.Main;
import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import picocli.CommandLine;

import java.util.Set;
import java.util.function.Function;
import java.util.stream.Stream;

import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.TestUtil.args;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

class SetConfigParameterTest {

    private static Stream<Arguments> provideTestCases() {
        return Stream.of(
                Arguments.of(args("--commentary-keywords", "test"), 1, (Function<InputConfig, Set<String>>) InputConfig::getCommentaryKeywords),
                Arguments.of(args("--commentary-keywords", "test", "test1", "test2", "test3", "test4"), 5, (Function<InputConfig, Set<String>>) InputConfig::getCommentaryKeywords),
                Arguments.of(args(), 2, (Function<InputConfig, Set<String>>) InputConfig::getCommentaryKeywords),
                Arguments.of(args("--forced-keywords", "test"), 1, (Function<InputConfig, Set<String>>) InputConfig::getForcedKeywords),
                Arguments.of(args("--forced-keywords", "test", "test1", "test2", "test3", "test4"), 5, (Function<InputConfig, Set<String>>) InputConfig::getForcedKeywords),
                Arguments.of(args(), 3, (Function<InputConfig, Set<String>>) InputConfig::getForcedKeywords),
                Arguments.of(args("--preferred-subtitles", "test"), 1, (Function<InputConfig, Set<String>>) InputConfig::getPreferredSubtitles),
                Arguments.of(args("--preferred-subtitles", "test", "test1", "test2", "test3", "test4"), 5, (Function<InputConfig, Set<String>>) InputConfig::getPreferredSubtitles),
                Arguments.of(args(), 1, (Function<InputConfig, Set<String>>) InputConfig::getPreferredSubtitles)
        );
    }

    @ParameterizedTest
    @MethodSource("provideTestCases")
    void validate(String[] cmdArgs, int expectedSize, Function<InputConfig, Set<String>> fieldUnderTest) {
        Main sut = new Main();
        CommandLine.populateCommand(sut, cmdArgs);
        assertEquals(expectedSize, fieldUnderTest.apply(sut.getConfig()).size());
    }

    @Test
    void validate() {
        Main sut = new Main();
        assertThrows(CommandLine.MissingParameterException.class, () -> CommandLine.populateCommand(sut, args("--commentary-keywords")));
        assertThrows(CommandLine.MissingParameterException.class, () -> CommandLine.populateCommand(sut, args("--forced-keywords")));
        assertThrows(CommandLine.MissingParameterException.class, () -> CommandLine.populateCommand(sut, args("-e")));
        assertThrows(CommandLine.MissingParameterException.class, () -> CommandLine.populateCommand(sut, args("--preferred-subtitles")));
    }
}