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78 changes: 78 additions & 0 deletions
78
core/src/test/java/com/github/jsonldjava/core/ContextFlatteningTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package com.github.jsonldjava.core; | ||
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertFalse; | ||
| import static org.junit.Assert.assertTrue; | ||
| import java.util.HashMap; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| import com.github.jsonldjava.utils.JsonUtils; | ||
| import org.junit.Test; | ||
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| public class ContextFlatteningTest { | ||
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| @Test | ||
| public void testFlatenning() throws Exception { | ||
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| final Map<String, Object> contextAbbrevs = new HashMap<>(); | ||
| contextAbbrevs.put("so", "http://schema.org/"); | ||
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| final Map<String, Object> json = new HashMap<>(); | ||
| json.put("@context", contextAbbrevs); | ||
| json.put("@id", "http://example.org/my_work"); | ||
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| final List<Object> types = new LinkedList<>(); | ||
| types.add("so:CreativeWork"); | ||
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| json.put("@type", types); | ||
| json.put("so:name", "My Work"); | ||
| json.put("so:url", "http://example.org/my_work"); | ||
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| final JsonLdOptions options = new JsonLdOptions(); | ||
| options.setBase("http://schema.org/"); | ||
| options.setCompactArrays(true); | ||
| options.setOmitGraph(true); | ||
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| // System.out.println("Before flattening"); | ||
| // System.out.println(JsonUtils.toPrettyString(json)); | ||
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| final String flattenStr = "{\"@id\": \"http://schema.org/myid\", \"@context\": \"http://schema.org/\"}"; | ||
| final Object flatten = JsonUtils.fromString(flattenStr); | ||
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| final Map<String, Object> flattened = ((Map<String, Object>)JsonLdProcessor.flatten(json, flatten, options)); | ||
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| // System.out.println("\n\nAfter flattening:"); | ||
| // System.out.println(JsonUtils.toPrettyString(flattened)); | ||
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| assertTrue("Flattening removed the context", flattened.containsKey("@context")); | ||
| assertFalse("Flattening of context should be a string, not a list", | ||
| flattened.get("@context") instanceof List); | ||
| } | ||
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| @Test | ||
| public void testFlatteningRemoteContext() throws Exception { | ||
| final String jsonString = | ||
| "{\"@context\": {\"@vocab\": \"http://schema.org/\"}, \"knows\": [{\"name\": \"a\"}, {\"name\": \"b\"}] }"; | ||
| final String flattenStr = "{\"@context\": \"http://schema.org/\"}"; | ||
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| final Object json = JsonUtils.fromString(jsonString); | ||
| final Object flatten = JsonUtils.fromString(flattenStr); | ||
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| // System.out.println("Before flattening"); | ||
| // System.out.println(JsonUtils.toPrettyString(json)); | ||
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| final JsonLdOptions options = new JsonLdOptions(); | ||
| options.setOmitGraph(true); | ||
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| final Map<String, Object> flattened = ((Map<String, Object>)JsonLdProcessor.flatten(json, flatten, options)); | ||
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| // System.out.println("\n\nAfter flattened:"); | ||
| // System.out.println(JsonUtils.toPrettyString(flattened)); | ||
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| assertEquals("Wrong returned context", "http://schema.org/", flattened.get("@context")); | ||
| assertEquals("Wrong number of Json entries",2, flattened.size()); | ||
| } | ||
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| } |
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