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Merge pull request #200 from square/jwilson.1014.more_jsonadapter_tests

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Test more cases of injecting JsonAdapters.
This commit is contained in:
Jake Wharton
2016-10-14 10:40:00 -04:00
committed by GitHub
parent c56370257e d6b982629d
commit fce8fc6976
1 changed files with 81 additions and 0 deletions
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81
moshi/src/test/java/com/squareup/moshi/AdapterMethodsTest.java
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@@ -23,8 +23,11 @@ import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.Test;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;
@@ -436,6 +439,84 @@ public final class AdapterMethodsTest {
}
}
@Test public void writerAndReaderTakingAnnotatedJsonAdapterParameter() throws Exception {
Moshi moshi = new Moshi.Builder()
.add(new PointWithParensJsonAdapter())
.add(new JsonAdapterWithWriterAndReaderTakingAnnotatedJsonAdapterParameter())
.build();
JsonAdapter<Line> lineAdapter = moshi.adapter(Line.class);
Line line = new Line(new Point(5, 8), new Point(3, 2));
assertThat(lineAdapter.toJson(line)).isEqualTo("[\"(5 8)\",\"(3 2)\"]");
assertThat(lineAdapter.fromJson("[\"(5 8)\",\"(3 2)\"]")).isEqualTo(line);
}
static class PointWithParensJsonAdapter{
@ToJson String pointToJson(@WithParens Point point) throws IOException {
return String.format("(%s %s)", point.x, point.y);
}
@FromJson @WithParens Point pointFromJson(String string) throws Exception {
Matcher matcher = Pattern.compile("\\((\\d+) (\\d+)\\)").matcher(string);
if (!matcher.matches()) throw new JsonDataException();
return new Point(Integer.parseInt(matcher.group(1)), Integer.parseInt(matcher.group(2)));
}
}
static class JsonAdapterWithWriterAndReaderTakingAnnotatedJsonAdapterParameter {
@ToJson void lineToJson(JsonWriter writer, Line line,
@WithParens JsonAdapter<Point> pointAdapter) throws IOException {
writer.beginArray();
pointAdapter.toJson(writer, line.a);
pointAdapter.toJson(writer, line.b);
writer.endArray();
}
@FromJson Line lineFromJson(
JsonReader reader, @WithParens JsonAdapter<Point> pointAdapter) throws Exception {
reader.beginArray();
Point a = pointAdapter.fromJson(reader);
Point b = pointAdapter.fromJson(reader);
reader.endArray();
return new Line(a, b);
}
}
@Test public void writerAndReaderTakingMultipleJsonAdapterParameters() throws Exception {
Moshi moshi = new Moshi.Builder()
.add(new PointWriterAndReaderJsonAdapter())
.add(new PointWithParensJsonAdapter())
.add(new JsonAdapterWithWriterAndReaderTakingMultipleJsonAdapterParameters())
.build();
JsonAdapter<Line> lineAdapter = moshi.adapter(Line.class);
Line line = new Line(new Point(5, 8), new Point(3, 2));
assertThat(lineAdapter.toJson(line)).isEqualTo("[[5,8],\"(3 2)\"]");
assertThat(lineAdapter.fromJson("[[5,8],\"(3 2)\"]")).isEqualTo(line);
}
static class JsonAdapterWithWriterAndReaderTakingMultipleJsonAdapterParameters {
@ToJson void lineToJson(JsonWriter writer, Line line,
JsonAdapter<Point> aAdapter, @WithParens JsonAdapter<Point> bAdapter) throws IOException {
writer.beginArray();
aAdapter.toJson(writer, line.a);
bAdapter.toJson(writer, line.b);
writer.endArray();
}
@FromJson Line lineFromJson(JsonReader reader,
JsonAdapter<Point> aAdapter, @WithParens JsonAdapter<Point> bAdapter) throws Exception {
reader.beginArray();
Point a = aAdapter.fromJson(reader);
Point b = bAdapter.fromJson(reader);
reader.endArray();
return new Line(a, b);
}
}
@Retention(RUNTIME)
@JsonQualifier
public @interface WithParens {
}
@Test public void noToJsonAdapterTakingJsonAdapterParameter() throws Exception {
try {
new Moshi.Builder().add(new ToJsonAdapterTakingJsonAdapterParameter());