FixtureAssistTest.java

package com.github.agiledon.sisyphus.assist;

import com.github.agiledon.sisyphus.assist.printer.*;
import org.junit.Before;
import org.junit.Test;

import java.io.File;

import static com.github.agiledon.sisyphus.assist.FixtureAssist.*;
import static com.google.common.io.Files.getNameWithoutExtension;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public class FixtureAssistTest extends UserDataFixture {

    private String yamlFileName = "outputUser.yaml";
    private String gsonFileName = "outputUser.gson";
    private String jsonFileName = "outputUser.json";

    @Before
    public void setUp() throws Exception {
        clearFiles(yamlFileName, gsonFileName, jsonFileName);
    }

    private void clearFiles(String... datafiles) {
        for (String datafile : datafiles) {
            File file = new File(datafile);
            if (file.exists()) {
                file.delete();
            }
        }
    }

    @Test
    public void should_get_JsonPrinter_and_pass_object_to_it() {
        Printer printer = json();
        assertThat(printer, instanceOf(JsonPrinter.class));
    }

    @Test
    public void should_get_GsonPrinter_and_pass_object_to_it() {
        Printer printer = FixtureAssist.gson();
        assertThat(printer, instanceOf(GsonPrinter.class));
    }

    @Test
    public void should_get_YamlPrinter_and_pass_object_to_it() {
        Printer printer = yaml();
        assertThat(printer, instanceOf(YamlPrinter.class));
    }

    @Test
    public void should_print_data_to_specific_file() {
        yaml().print(createUser(), getNameWithoutExtension(yamlFileName));
        gson().print(createUser(), getNameWithoutExtension(gsonFileName));
        json().print(createUser(), getNameWithoutExtension(jsonFileName));

        assertFilesExisted(yamlFileName, gsonFileName, jsonFileName);
    }

    private void assertFilesExisted(String... dataFileNames) {
        for (String dataFileName : dataFileNames) {
            File file = new File(dataFileName);
            assertThat(file.exists(), is(true));
        }
    }
}