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Using field's Json name instead of internal conversion from snake cas… #54

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Using field's Json name instead of internal conversion from snake cas… #54

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2ecdaa2
Using field's Json name instead of internal conversion from snake cas…
dsborets Sep 28, 2018
2c2ab6a
Adding more test
dsborets Sep 28, 2018
e6a069b
Adding more test to increase a code coverage
dsborets Sep 28, 2018
df5c2d5
Converting originl gRPC field name to JSON name using custom convers…
dsborets Oct 24, 2018
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13 changes: 2 additions & 11 deletions rejoiner/src/main/java/com/google/api/graphql/rejoiner/GqlInputConverter.java
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Expand Up @@ -50,9 +50,6 @@ final class GqlInputConverter {
private final BiMap<String, Descriptor> descriptorMapping;
private final BiMap<String, EnumDescriptor> enumMapping;

private static final Converter<String, String> UNDERSCORE_TO_CAMEL =
CaseFormat.LOWER_UNDERSCORE.converterTo(CaseFormat.LOWER_CAMEL);

private GqlInputConverter(
BiMap<String, Descriptor> descriptorMapping, BiMap<String, EnumDescriptor> enumMapping) {
this.descriptorMapping = descriptorMapping;
Expand All @@ -72,7 +69,7 @@ Message createProtoBuf(

Map<String, Object> remainingInput = new HashMap<>(input);
for (FieldDescriptor field : descriptor.getFields()) {
String fieldName = getFieldName(field);
String fieldName = field.getJsonName();

if (!remainingInput.containsKey(fieldName)) {
// TODO: validate required fields
Expand Down Expand Up @@ -107,7 +104,7 @@ GraphQLType getInputType(Descriptor descriptor) {
for (FieldDescriptor field : descriptor.getFields()) {
GraphQLType fieldType = getFieldType(field);
GraphQLInputObjectField.Builder inputBuilder =
GraphQLInputObjectField.newInputObjectField().name(getFieldName(field));
GraphQLInputObjectField.newInputObjectField().name(field.getJsonName());
if (field.isRepeated()) {
inputBuilder.type(new GraphQLList(fieldType));
} else {
Expand Down Expand Up @@ -145,12 +142,6 @@ static String getReferenceName(GenericDescriptor descriptor) {
return "Input_" + ProtoToGql.getReferenceName(descriptor);
}

/** Field names with under_scores are converted to camelCase. */
private String getFieldName(FieldDescriptor field) {
String fieldName = field.getName();
return fieldName.contains("_") ? UNDERSCORE_TO_CAMEL.convert(fieldName) : fieldName;
}

private GraphQLType getFieldType(FieldDescriptor field) {
if (field.getType() == FieldDescriptor.Type.MESSAGE
|| field.getType() == FieldDescriptor.Type.GROUP) {
Expand Down
56 changes: 29 additions & 27 deletions rejoiner/src/main/java/com/google/api/graphql/rejoiner/ProtoToGql.java
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,6 @@

package com.google.api.graphql.rejoiner;

import static com.google.common.collect.ImmutableList.toImmutableList;
import static graphql.Scalars.GraphQLID;
import static graphql.Scalars.GraphQLString;
import static graphql.schema.GraphQLFieldDefinition.newFieldDefinition;

import com.google.api.graphql.options.RelayOptionsProto;
import com.google.common.base.CaseFormat;
import com.google.common.base.CharMatcher;
Expand All @@ -33,6 +28,12 @@
import com.google.protobuf.Descriptors.FieldDescriptor.Type;
import com.google.protobuf.Descriptors.GenericDescriptor;
import com.google.protobuf.Message;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.Optional;

import graphql.Scalars;
import graphql.relay.Relay;
import graphql.schema.DataFetcher;
Expand All @@ -47,10 +48,11 @@
import graphql.schema.GraphQLScalarType;
import graphql.schema.GraphQLType;
import graphql.schema.GraphQLTypeReference;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.Optional;

import static com.google.common.collect.ImmutableList.toImmutableList;
import static graphql.Scalars.GraphQLID;
import static graphql.Scalars.GraphQLString;
import static graphql.schema.GraphQLFieldDefinition.newFieldDefinition;

/** Converts Protos to GraphQL Types. */
final class ProtoToGql {
Expand All @@ -77,10 +79,10 @@ private ProtoToGql() {}
.put(Type.SFIXED64, Scalars.GraphQLLong)
.build();

private static final Converter<String, String> UNDERSCORE_TO_CAMEL =
CaseFormat.LOWER_UNDERSCORE.converterTo(CaseFormat.LOWER_CAMEL);
private static final Converter<String, String> LOWER_CAMEL_TO_UPPER =
CaseFormat.LOWER_CAMEL.converterTo(CaseFormat.UPPER_CAMEL);
private static final Converter<String, String> UNDERSCORE_TO_CAMEL =
CaseFormat.LOWER_UNDERSCORE.converterTo(CaseFormat.LOWER_CAMEL);
private static final FieldConverter FIELD_CONVERTER = new FieldConverter();
private static final ImmutableList<GraphQLFieldDefinition> STATIC_FIELD =
ImmutableList.of(newFieldDefinition().type(GraphQLString).name("_").staticValue("-").build());
Expand Down Expand Up @@ -110,53 +112,53 @@ public Object get(DataFetchingEnvironment environment) {
}
if (type instanceof GraphQLList) {

Object listValue = call(source, "get" + LOWER_CAMEL_TO_UPPER.convert(name) + "List");
Object listValue = call(source, "get" + name + "List");
if (listValue != null) {
return listValue;
}
Object mapValue = call(source, "get" + LOWER_CAMEL_TO_UPPER.convert(name) + "Map");
Object mapValue = call(source, "get" + name + "Map");
if (mapValue == null) {
return null;
}
Map<?, ?> map = (Map<?, ?>) mapValue;
return map.entrySet().stream().map(entry -> ImmutableMap.of("key", entry.getKey(), "value", entry.getValue())).collect(toImmutableList());
return map.entrySet().stream().map(entry -> ImmutableMap.of("key", entry.getKey(),
"value", entry.getValue())).collect(toImmutableList());
}
if (type instanceof GraphQLEnumType) {
Object o = call(source, "get" + LOWER_CAMEL_TO_UPPER.convert(name));
Object o = call(source, "get" + name);
if (o != null) {
return o.toString();
}
}

return call(source, "get" + LOWER_CAMEL_TO_UPPER.convert(name));
return call(source, "get" + name);
}

private static Object call(Object object, String methodName) {
try {
Method method = object.getClass().getMethod(methodName);
return method.invoke(object);
} catch (NoSuchMethodException e) {
return null;
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
} catch (InvocationTargetException e) {
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
throw new RuntimeException(e);
}
}
}

@Override
public GraphQLFieldDefinition apply(FieldDescriptor fieldDescriptor) {
String fieldName = fieldDescriptor.getName();
String convertedFieldName = fieldName.contains("_") ? UNDERSCORE_TO_CAMEL.convert(fieldName) : fieldName;
GraphQLFieldDefinition.Builder builder =
GraphQLFieldDefinition.newFieldDefinition()
.type(convertType(fieldDescriptor))
.dataFetcher(
new ProtoDataFetcher(convertedFieldName))
.name(convertedFieldName);
if (fieldDescriptor.getFile().toProto().getSourceCodeInfo().getLocationCount()
> fieldDescriptor.getIndex()) {
new ProtoDataFetcher(
LOWER_CAMEL_TO_UPPER.convert(
UNDERSCORE_TO_CAMEL.convert(fieldDescriptor.getName())
)
)
)
.name(fieldDescriptor.getJsonName());
if (fieldDescriptor.getFile().toProto().
getSourceCodeInfo().getLocationCount() > fieldDescriptor.getIndex()) {
builder.description(
fieldDescriptor
.getFile()
Expand Down
32 changes: 27 additions & 5 deletions rejoiner/src/test/java/com/google/api/graphql/rejoiner/GqlInputConverterTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,17 +16,22 @@

import com.google.api.graphql.rejoiner.TestProto.Proto1;
import com.google.api.graphql.rejoiner.TestProto.Proto2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.truth.Truth;
import com.google.common.truth.extensions.proto.ProtoTruth;
import com.google.protobuf.Message;
import graphql.schema.GraphQLArgument;
import graphql.schema.GraphQLInputObjectType;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Unit tests for {@link com.google.api.graphql.rejoiner.GqlInputConverter}. */
import graphql.schema.GraphQLArgument;
import graphql.schema.GraphQLInputObjectType;

/**
* Unit tests for {@link com.google.api.graphql.rejoiner.GqlInputConverter}.
*/
@RunWith(JUnit4.class)
public final class GqlInputConverterTest {

Expand All @@ -45,16 +50,33 @@ public void inputConverterShouldFillProtoBuf() {
Proto1.getDescriptor(),
Proto1.newBuilder(),
ImmutableMap.of(
"id", "id", "intField", 123, "testProto", ImmutableMap.of("innerId", "1")));
"id", "id", "intField", 123, "testProto",
ImmutableMap.of("innerId", "1", "enums", ImmutableList.of(Proto2.TestEnum.FOO, Proto2.TestEnum.BAR))
, "RenamedField", "someName"));
ProtoTruth.assertThat(protoBuf)
.isEqualTo(
Proto1.newBuilder()
.setId("id")
.setIntField(123)
.setTestProto(Proto2.newBuilder().setInnerId("1").build())
.setTestProto(Proto2.newBuilder().setInnerId("1")
.addEnums(Proto2.TestEnum.FOO)
.addEnums(Proto2.TestEnum.BAR)
.build())
.setNameField("someName")
.build());
}

@Test(expected = AssertionError.class)
public void inputConverterShouldFillProtoBufAllFields() {
GqlInputConverter inputConverter =
GqlInputConverter.newBuilder().add(TestProto.getDescriptor().getFile()).build();
inputConverter.createProtoBuf(
Proto1.getDescriptor(),
Proto1.newBuilder(),
ImmutableMap.of(
"id", "id", "intField", 123, "test_proto", ImmutableMap.of("innerId", "1")));
}

@Test
public void inputConverterShouldCreateArgument() {
GqlInputConverter inputConverter =
Expand Down
4 changes: 2 additions & 2 deletions rejoiner/src/test/java/com/google/api/graphql/rejoiner/ProtoToGqlTest.java
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Expand Up @@ -56,7 +56,7 @@ public void convertShouldWorkForMessage() {
GraphQLObjectType result = ProtoToGql.convert(Proto1.getDescriptor(), null);
assertThat(result.getName())
.isEqualTo("javatests_com_google_api_graphql_rejoiner_proto_Proto1");
assertThat(result.getFieldDefinitions()).hasSize(5);
assertThat(result.getFieldDefinitions()).hasSize(6);
}

@Test
Expand All @@ -73,7 +73,7 @@ public void convertShouldWorkForEnums() {
@Test
public void checkFieldNameCamelCase() {
GraphQLObjectType result = ProtoToGql.convert(Proto1.getDescriptor(), null);
assertThat(result.getFieldDefinitions()).hasSize(5);
assertThat(result.getFieldDefinitions()).hasSize(6);
assertThat(result.getFieldDefinition("intField")).isNotNull();
assertThat(result.getFieldDefinition("camelCaseName")).isNotNull();
}
Expand Down
1 change: 1 addition & 0 deletions rejoiner/src/test/proto/test_proto.proto
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Expand Up @@ -24,6 +24,7 @@ message Proto1 {
Proto2 test_proto = 3;
InnerProto test_inner_proto = 4;
int64 camelCaseName = 5;
string name_field = 6 [json_name="RenamedField"];

message InnerProto {
string foo = 1;
Expand Down