ParsingTrainTest.java

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package org.eolang.parser;

import com.jcabi.matchers.XhtmlMatchers;
import com.jcabi.xml.XML;
import com.jcabi.xml.XMLDocument;
import com.yegor256.xsline.Xsline;
import org.eolang.jucs.ClasspathSource;
import org.eolang.xax.XaxStory;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.Assumptions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;

/**
 * Test case for {@link ParsingTrain}.
 *
 * @since 0.23
 */
final class ParsingTrainTest {

    @Test
    void buildsList() {
        MatcherAssert.assertThat(
            "ParsingTrain is not iterable with more than 1 item, but it must be",
            new ParsingTrain(),
            Matchers.iterableWithSize(Matchers.greaterThan(1))
        );
    }

    @Test
    void stopsPipeline() {
        final XML xml = new XMLDocument(
            String.join(
                "\n",
                "<program>",
                "  <errors/>",
                "  <sheets/>",
                "  <objects>",
                "    <o abstract=\"\" line=\"1\" name=\"main\" pos=\"0\">",
                "      <o base=\"bool\" data=\"bytes\" line=\"2\" name=\"x\" pos=\"2\">01</o>",
                "      <o base=\"bool\" data=\"bytes\" line=\"3\" name=\"x\" pos=\"2\">00</o>",
                "    </o>",
                "  </objects>",
                "</program>"
            )
        );
        MatcherAssert.assertThat(
            "XSL transformation don't work properly.",
            new Xsline(
                new ParsingTrain()
            ).pass(xml),
            XhtmlMatchers.hasXPaths(
                "/program/sheets[count(sheet)=3]",
                "/program/errors/error[@severity='critical']"
            )
        );
    }

    /**
     * Test for {@see _func.xsl}.
     * @param bytes Bytes to convert
     * @param num Expected number
     * @since 1.0
     */
    @ParameterizedTest
    @CsvSource({
        "00     , 0",
        "0000   , 0",
        "000000 , 0",
        "000001 , 1",
        "000010 , 16",
        "000100 , 256",
        "FFFFFF , 16777215"
    })
    void runsXslFunction(final String bytes, final String num) {
        MatcherAssert.assertThat(
            "Failed to convert byte to int using the apply-func.xsl transformation",
            new Xsline(
                new ParsingTrain("/org/eolang/parser/apply-func.xsl")
            ).pass(new XMLDocument(String.format("<o>%s</o>", bytes))),
            XhtmlMatchers.hasXPath(
                String.format("/o[text()='%s']", num)
            )
        );
    }

    @ParameterizedTest
    @ClasspathSource(value = "org/eolang/parser/packs/", glob = "**.yaml")
    void parsesPacks(final String pack) throws Exception {
        final CheckPack check = new CheckPack(pack);
        if (check.skip()) {
            Assumptions.abort(
                String.format("%s is not ready", pack)
            );
        }
        MatcherAssert.assertThat(
            String.format(
                "The %s check pack is failed.",
                pack
            ),
            check.failures(),
            Matchers.empty()
        );
    }

    @ParameterizedTest
    @ClasspathSource(value = "org/eolang/parser/xax/", glob = "**.yml")
    void createsXaxStoryWithXslStylesheets(final String yaml) {
        MatcherAssert.assertThat(
            String.format(
                "The %s xax check is failed",
                yaml
            ),
            new XaxStory(yaml),
            Matchers.is(true)
        );
    }
}