How to use

writeCustom

method

in

com.apollographql.apollo.internal.json.InputFieldJsonWriter

@Test
public void writeCustomNumber() throws IOException {
 Map<ScalarType, CustomTypeAdapter> customTypeAdapters = new HashMap<>();
 customTypeAdapters.put(new MockCustomScalarType(CustomTypeValue.GraphQLNumber.class), new MockCustomTypeAdapter() {
  @NotNull @Override public CustomTypeValue encode(@NotNull Object value) {
   return new CustomTypeValue.GraphQLNumber((Number) value);
  }
 });
 inputFieldJsonWriter = new InputFieldJsonWriter(jsonWriter, new ScalarTypeAdapters(customTypeAdapters));
 inputFieldJsonWriter.writeCustom("someField", new MockCustomScalarType(CustomTypeValue.GraphQLNumber.class), BigDecimal.valueOf(100.1));
 inputFieldJsonWriter.writeCustom("someNullField", new MockCustomScalarType(CustomTypeValue.GraphQLNumber.class), null);
 assertThat(jsonBuffer.readUtf8()).isEqualTo("{\"someField\":100.1,\"someNullField\":null");
}

@Test
public void writeCustomString() throws IOException {
 Map<ScalarType, CustomTypeAdapter> customTypeAdapters = new HashMap<>();
 customTypeAdapters.put(new MockCustomScalarType(CustomTypeValue.GraphQLString.class), new MockCustomTypeAdapter() {
  @NotNull @Override public CustomTypeValue encode(@NotNull Object value) {
   return new CustomTypeValue.GraphQLString((String) value);
  }
 });
 inputFieldJsonWriter = new InputFieldJsonWriter(jsonWriter, new ScalarTypeAdapters(customTypeAdapters));
 inputFieldJsonWriter.writeCustom("someField", new MockCustomScalarType(CustomTypeValue.GraphQLString.class), "someValue");
 inputFieldJsonWriter.writeCustom("someNullField", new MockCustomScalarType(CustomTypeValue.GraphQLString.class), null);
 assertThat(jsonBuffer.readUtf8()).isEqualTo("{\"someField\":\"someValue\",\"someNullField\":null");
}

@Test
public void writeCustomBoolean() throws IOException {
 Map<ScalarType, CustomTypeAdapter> customTypeAdapters = new HashMap<>();
 customTypeAdapters.put(new MockCustomScalarType(CustomTypeValue.GraphQLBoolean.class), new MockCustomTypeAdapter() {
  @NotNull @Override public CustomTypeValue encode(@NotNull Object value) {
   return new CustomTypeValue.GraphQLBoolean((Boolean) value);
  }
 });
 inputFieldJsonWriter = new InputFieldJsonWriter(jsonWriter, new ScalarTypeAdapters(customTypeAdapters));
 inputFieldJsonWriter.writeCustom("someField", new MockCustomScalarType(CustomTypeValue.GraphQLBoolean.class), true);
 inputFieldJsonWriter.writeCustom("someNullField", new MockCustomScalarType(CustomTypeValue.GraphQLBoolean.class), null);
 assertThat(jsonBuffer.readUtf8()).isEqualTo("{\"someField\":true,\"someNullField\":null");
}

@Test
public void writeCustomJsonString() throws IOException {
 Map<ScalarType, CustomTypeAdapter> customTypeAdapters = new HashMap<>();
 customTypeAdapters.put(new MockCustomScalarType(CustomTypeValue.GraphQLJsonString.class), new MockCustomTypeAdapter() {
  @NotNull @Override public CustomTypeValue encode(@NotNull Object value) {
   return new CustomTypeValue.GraphQLJsonString((String) value);
  }
 });
 inputFieldJsonWriter = new InputFieldJsonWriter(jsonWriter, new ScalarTypeAdapters(customTypeAdapters));
 inputFieldJsonWriter.writeCustom("someField", new MockCustomScalarType(CustomTypeValue.GraphQLJsonString.class), "{\"someField\": \"someValue\"}");
 inputFieldJsonWriter.writeCustom("someNullField", new MockCustomScalarType(CustomTypeValue.GraphQLJsonString.class), null);
 assertThat(jsonBuffer.readUtf8()).isEqualTo("{\"someField\":\"{\\\"someField\\\": \\\"someValue\\\"}\",\"someNullField\":null");
}

@Test
public void writeCustomJson() throws IOException {
 Map<ScalarType, CustomTypeAdapter> customTypeAdapters = new HashMap<>();
 customTypeAdapters.put(new MockCustomScalarType(CustomTypeValue.GraphQLJson.class), new MockCustomTypeAdapter() {
  @NotNull @Override public CustomTypeValue encode(@NotNull Object value) {
   return new CustomTypeValue.GraphQLJson((Map<String, Object>) value);
  }
 });
 inputFieldJsonWriter = new InputFieldJsonWriter(jsonWriter, new ScalarTypeAdapters(customTypeAdapters));
 Map<String, Object> objectMap = new LinkedHashMap<>();
 objectMap.put("booleanField", true);
 objectMap.put("stringField", "someValue");
 objectMap.put("numberField", 100);
 objectMap.put("objectField", new UnmodifiableMapBuilder().put("someField", "someValue").build());
 inputFieldJsonWriter.writeCustom("someField", new MockCustomScalarType(CustomTypeValue.GraphQLJson.class), objectMap);
 inputFieldJsonWriter.writeCustom("someNullField", new MockCustomScalarType(CustomTypeValue.GraphQLJson.class), null);
 assertThat(jsonBuffer.readUtf8()).isEqualTo("{\"someField\":{\"booleanField\":true,\"stringField\":\"someValue\",\"numberField\":100,\"objectField\":{\"someField\":\"someValue\"}},\"someNullField\":null");
}