package org.jtwig.integration.function;
import com.google.common.collect.ImmutableMap;
import org.jtwig.JtwigModel;
import org.jtwig.JtwigTemplate;
import org.junit.Test;
import static java.util.Arrays.asList;
import static java.util.Collections.emptyMap;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
public class FirstFunctionTest {
@Test
public void arrayFirst() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", new Object[]{1, 2, 3}));
assertThat(result, is("1"));
}
@Test
public void emptyArrayFirst() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", new Object[]{}));
assertThat(result, is(""));
}
@Test
public void firstString() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", "abcde"));
assertThat(result, is("a"));
}
@Test
public void emptyFirstString() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", ""));
assertThat(result, is(""));
}
@Test
public void firstIterable() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", asList(1, 2, 3)));
assertThat(result, is("1"));
}
@Test
public void emptyFirstIterable() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", asList()));
assertThat(result, is(""));
}
@Test
public void firstMap() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", ImmutableMap.builder()
.put("a", 1)
.build()));
assertThat(result, is("1"));
}
@Test
public void emptyFirstMap() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(var) }}").render(JtwigModel.newModel().with("var", emptyMap()));
assertThat(result, is(""));
}
@Test
public void firstAnother() throws Exception {
String result = JtwigTemplate.inlineTemplate("{{ first(1) }}").render(JtwigModel.newModel());
assertThat(result, is("1"));
}
}