package org.jtwig.resource.loader;
import com.google.common.base.Optional;
import org.jtwig.resource.exceptions.ResourceNotFoundException;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.ArrayList;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class CompositeResourceLoaderTest {
private final ArrayList<ResourceLoader> loaders = new ArrayList<>();
private final CompositeResourceLoader underTest = new CompositeResourceLoader(loaders);
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Before
public void setUp() throws Exception {
loaders.clear();
}
@Test
public void getCharsetUnhappy() throws Exception {
Optional<Charset> result = underTest.getCharset("path");
assertThat(result.isPresent(), is(false));
}
@Test
public void loadUnhappy() throws Exception {
expectedException.expect(ResourceNotFoundException.class);
expectedException.expectMessage(String.format("Resource '%s' not found", "path"));
underTest.load("path");
}
@Test
public void existsUnhappy() throws Exception {
boolean result = underTest.exists("path");
assertThat(result, is(false));
}
@Test
public void toUrlUnhappy() throws Exception {
ResourceLoader resourceLoader = mock(ResourceLoader.class);
loaders.add(resourceLoader);
when(resourceLoader.toUrl("path")).thenReturn(Optional.<URL>absent());
Optional<URL> result = underTest.toUrl("path");
assertThat(result.isPresent(), is(false));
}
@Test
public void toUrlHappy() throws Exception {
ResourceLoader resourceLoader = mock(ResourceLoader.class);
Optional<URL> expected = Optional.of(new URL("file:/"));
loaders.add(resourceLoader);
when(resourceLoader.exists("path")).thenReturn(true);
when(resourceLoader.toUrl("path")).thenReturn(expected);
Optional<URL> result = underTest.toUrl("path");
assertThat(result, is(expected));
}
}