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package org.zwobble.mammoth.tests.conversion;
import org.junit.jupiter.api.Test;
import org.zwobble.mammoth.internal.conversion.InternalImageConverter;
import org.zwobble.mammoth.internal.documents.Image;
import org.zwobble.mammoth.internal.html.Html;
import org.zwobble.mammoth.internal.html.HtmlNode;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.List;
import java.util.Optional;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.zwobble.mammoth.internal.util.Lists.list;
import static org.zwobble.mammoth.internal.util.Maps.map;
import static org.zwobble.mammoth.tests.DeepReflectionMatcher.deepEquals;
public class InternalImageConverterTests {
@Test
public void whenElementDoesNotHaveAltTextThenAltAttributeIsNotSet() throws IOException {
Image internalImage = new Image(
Optional.empty(),
Optional.of("image/jpeg"),
() -> new ByteArrayInputStream(new byte[]{97, 98, 99})
);
InternalImageConverter imageConverter = InternalImageConverter.imgElement(image -> {
return map("src", "<src>");
});
List<HtmlNode> result = imageConverter.convert(internalImage);
assertThat(
result,
deepEquals(list(Html.element("img", map("src", "<src>"))))
);
}
@Test
public void whenElementHasAltTextThenAltAttributeIsSet() throws IOException {
Image internalImage = new Image(
Optional.of("<alt>"),
Optional.of("image/jpeg"),
() -> new ByteArrayInputStream(new byte[]{97, 98, 99})
);
InternalImageConverter imageConverter = InternalImageConverter.imgElement(image -> {
return map("src", "<src>");
});
List<HtmlNode> result = imageConverter.convert(internalImage);
assertThat(
result,
deepEquals(list(Html.element("img", map("alt", "<alt>", "src", "<src>"))))
);
}
@Test
public void imageAltTextCanBeOverriddenByAltAttributeReturnedFromFunction() throws IOException {
Image internalImage = new Image(
Optional.of("<alt>"),
Optional.of("image/jpeg"),
() -> new ByteArrayInputStream(new byte[]{97, 98, 99})
);
InternalImageConverter imageConverter = InternalImageConverter.imgElement(image -> {
return map("alt", "<alt override>", "src", "<src>");
});
List<HtmlNode> result = imageConverter.convert(internalImage);
assertThat(
result,
deepEquals(list(Html.element("img", map("alt", "<alt override>", "src", "<src>"))))
);
}
}
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