graphql-scripting/src/test/java/org/apache/sling/graphql/core/schema/DataFetcherSelectorTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.sling.graphql.core.schema;

import graphql.schema.DataFetcher;
import org.apache.sling.graphql.api.graphqljava.DataFetcherProvider;
import org.junit.Test;
import org.mockito.Mockito;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

public class DataFetcherSelectorTest {

    @Test
    @SuppressWarnings("unchecked")
    public void testGetDataFetcher() {
        DataFetcher<Object> gqlFetcher1 = (DataFetcher<Object>) Mockito.mock(DataFetcher.class);
        DataFetcher<Object> gqlFetcher2 = (DataFetcher<Object>) Mockito.mock(DataFetcher.class);
        DataFetcher<Object> gqlFetcher3 = (DataFetcher<Object>) Mockito.mock(DataFetcher.class);
        DataFetcherProvider fetcher1 = Mockito.mock(DataFetcherProvider.class);
        Mockito.when(fetcher1.getNamespace()).thenReturn("ns1");
        Mockito.when(fetcher1.getName()).thenReturn("name1");
        Mockito.when(fetcher1.createDataFetcher(Mockito.any(), Mockito.any(), Mockito.any(), Mockito.any()))
                .thenReturn(gqlFetcher1);
        DataFetcherProvider fetcher2 = Mockito.mock(DataFetcherProvider.class);
        Mockito.when(fetcher2.getNamespace()).thenReturn("ns2");
        Mockito.when(fetcher2.getName()).thenReturn("name2");
        Mockito.when(fetcher2.createDataFetcher(Mockito.any(), Mockito.any(), Mockito.any(), Mockito.any()))
                .thenReturn(gqlFetcher2);
        DataFetcherProvider fetcher3 = Mockito.mock(DataFetcherProvider.class);
        Mockito.when(fetcher3.getNamespace()).thenReturn("ns1");
        Mockito.when(fetcher3.getName()).thenReturn("name2");
        Mockito.when(fetcher3.createDataFetcher(Mockito.any(), Mockito.any(), Mockito.any(), Mockito.any()))
                .thenReturn(gqlFetcher3);
        DataFetcherSelector fetchers = new DataFetcherSelector(fetcher1, fetcher2, fetcher3);

        assertEquals(
                gqlFetcher1,
                fetchers.getDataFetcherForType(new DataFetcherDefinition("fetch:ns1/name1"), null));
        assertEquals(
                gqlFetcher2,
                fetchers.getDataFetcherForType(new DataFetcherDefinition("fetch:ns2/name2"), null));
        assertEquals(
                gqlFetcher3,
                fetchers.getDataFetcherForType(new DataFetcherDefinition("fetch:ns1/name2"), null));
        assertNull(
                fetchers.getDataFetcherForType(new DataFetcherDefinition("fetch:ns2/name1"), null));
    }

}