/
SchemaProviderModuleTest.java
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/
SchemaProviderModuleTest.java
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// Copyright 2017 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.api.graphql.rejoiner;
import static com.google.common.truth.Truth.assertThat;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
import graphql.Scalars;
import graphql.schema.GraphQLFieldDefinition;
import graphql.schema.GraphQLSchema;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link com.google.api.graphql.rejoiner.SchemaProviderModule}. */
@RunWith(JUnit4.class)
public final class SchemaProviderModuleTest {
@Test
public void schemaModuleShouldProvideEmptySchema() {
Injector injector = Guice.createInjector(new SchemaProviderModule(), new SchemaModule() {});
assertThat(injector.getInstance(Key.get(GraphQLSchema.class, Schema.class))).isNotNull();
assertThat(injector.getInstance(Key.get(GraphQLSchema.class, Schema.class)).getQueryType())
.isNotNull();
}
@Test
public void schemaModuleShouldProvideQueryType() {
Injector injector =
Guice.createInjector(
new SchemaProviderModule(),
new SchemaModule() {
@Query
GraphQLFieldDefinition greeting =
GraphQLFieldDefinition.newFieldDefinition()
.name("greeting")
.type(Scalars.GraphQLString)
.staticValue("hello world")
.build();
});
assertThat(
injector
.getInstance(Key.get(GraphQLSchema.class, Schema.class))
.getQueryType()
.getFieldDefinition("greeting"))
.isNotNull();
}
@Test
public void schemaModuleShouldModifyTypes() {
Injector injector =
Guice.createInjector(
new SchemaProviderModule(),
new SchemaModule() {
@Query
GraphQLFieldDefinition greeting =
GraphQLFieldDefinition.newFieldDefinition()
.name("greeting")
.type(Scalars.GraphQLString)
.staticValue("hello world")
.build();
},
new SchemaModule() {
@SchemaModification
TypeModification newGreeting = Type.find("QueryType").removeField("greeting");
});
assertThat(
injector
.getInstance(Key.get(GraphQLSchema.class, Schema.class))
.getQueryType()
.getFieldDefinitions())
.hasSize(1);
// TODO: this should be empty, currently type modifications only apply to types
// annotated with ExtraTypes.
}
}