fanruan
/
JsonPath
mirror of https://github.com/json-path/JsonPath.git
2
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

removed readOne from JsonPath

pull/1/merge
kalle 14 years ago
parent
fe28009876
commit
e55e0a2aac
11 changed files with 228 additions and 127 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 13
      json-path-assert/src/main/java/com/jayway/jsonassert/impl/JsonAsserterImpl.java
  2. 4
      json-path-assert/src/test/java/com/jayway/jsonassert/JsonAssertTest.java
  3. 68
      json-path/src/main/java/com/jayway/jsonpath/JsonPath.java
  4. 39
      json-path/src/main/java/com/jayway/jsonpath/filter/FilterOutput.java
  5. 2
      json-path/src/main/java/com/jayway/jsonpath/filter/JsonPathFilterBase.java
  6. 14
      json-path/src/main/java/com/jayway/jsonpath/filter/JsonPathFilterChain.java
  7. 79
      json-path/src/main/java/com/jayway/jsonpath/filter/ListFilter.java
  8. 32
      json-path/src/main/java/com/jayway/jsonpath/filter/PropertyFilter.java
  9. 4
      json-path/src/main/java/com/jayway/jsonpath/filter/RootFilter.java
  10. 6
      json-path/src/main/java/com/jayway/jsonpath/filter/TraverseFilter.java
  11. 56
      json-path/src/test/java/com/jayway/jsonpath/JsonPathTest.java

13
json-path-assert/src/main/java/com/jayway/jsonassert/impl/JsonAsserterImpl.java
Unescape View File

@ -3,7 +3,6 @@ package com.jayway.jsonassert.impl;
import com.jayway.jsonassert.JsonAsserter; import com.jayway.jsonassert.JsonAsserter;
import com.jayway.jsonpath.JsonPath; import com.jayway.jsonpath.JsonPath;
import com.jayway.jsonpath.PathUtil;
import org.hamcrest.Matcher; import org.hamcrest.Matcher;
import static java.lang.String.format; import static java.lang.String.format;
@ -38,6 +37,14 @@ public class JsonAsserterImpl implements JsonAsserter {
String reason = "When processing json path: " + path; String reason = "When processing json path: " + path;
if (!matcher.matches(JsonPath.<T>read(jsonObject, path))) {
System.out.println(JsonPath.read(jsonObject, path).toString());
throw new AssertionError(reason + matcher.toString());
}
/*
if (PathUtil.isPathDefinite(path)) { if (PathUtil.isPathDefinite(path)) {
if (!matcher.matches(JsonPath.<T>readOne(jsonObject, path))) { if (!matcher.matches(JsonPath.<T>readOne(jsonObject, path))) {
throw new AssertionError(reason + matcher.toString()); throw new AssertionError(reason + matcher.toString());
@ -48,7 +55,7 @@ public class JsonAsserterImpl implements JsonAsserter {
throw new AssertionError(reason + matcher.toString()); throw new AssertionError(reason + matcher.toString());
} }
//MatcherAssert.assertThat(reason, (T) JsonPath.<T>read(jsonObject, path), matcher); //MatcherAssert.assertThat(reason, (T) JsonPath.<T>read(jsonObject, path), matcher);
} } */
return this; return this;
} }
@ -63,7 +70,7 @@ public class JsonAsserterImpl implements JsonAsserter {
* {@inheritDoc} * {@inheritDoc}
*/ */
public JsonAsserter assertNotDefined(String path) { public JsonAsserter assertNotDefined(String path) {
Object o = JsonPath.readOne(jsonObject, path); Object o = JsonPath.read(jsonObject, path);
if (o != null) { if (o != null) {
throw new AssertionError(format("Document contains the path <%s> but was expected not to.", path)); throw new AssertionError(format("Document contains the path <%s> but was expected not to.", path));

4
json-path-assert/src/test/java/com/jayway/jsonassert/JsonAssertTest.java
Unescape View File

@ -104,7 +104,7 @@ public class JsonAssertTest {
with(JSON).assertThat("$.store.book[0]", hasEntry("category", "reference")) with(JSON).assertThat("$.store.book[0]", hasEntry("category", "reference"))
.assertThat("$.store.book[0]", hasEntry("title", "Sayings of the Century")) .assertThat("$.store.book[0]", hasEntry("title", "Sayings of the Century"))
.and() .and()
.assertThat("$..book[0]", hasItems(hasEntry("category", "reference"))) .assertThat("$..book[0]", hasEntry("category", "reference"))
.and() .and()
.assertThat("$.store.book[0]", mapContainingKey(equalTo("category"))) .assertThat("$.store.book[0]", mapContainingKey(equalTo("category")))
.and() .and()
@ -113,7 +113,7 @@ public class JsonAssertTest {
with(JSON).assertThat("$.['store'].['book'][0]", hasEntry("category", "reference")) with(JSON).assertThat("$.['store'].['book'][0]", hasEntry("category", "reference"))
.assertThat("$.['store'].['book'][0]", hasEntry("title", "Sayings of the Century")) .assertThat("$.['store'].['book'][0]", hasEntry("title", "Sayings of the Century"))
.and() .and()
.assertThat("$..['book'][0]", hasItems(hasEntry("category", "reference"))) .assertThat("$..['book'][0]", hasEntry("category", "reference"))
.and() .and()
.assertThat("$.['store'].['book'][0]", mapContainingKey(equalTo("category"))) .assertThat("$.['store'].['book'][0]", mapContainingKey(equalTo("category")))
.and() .and()

68
json-path/src/main/java/com/jayway/jsonpath/JsonPath.java
Unescape View File

@ -1,6 +1,7 @@
package com.jayway.jsonpath; package com.jayway.jsonpath;
import com.jayway.jsonpath.filter.FilterOutput;
import com.jayway.jsonpath.filter.JsonPathFilterChain; import com.jayway.jsonpath.filter.JsonPathFilterChain;
import org.json.simple.parser.JSONParser; import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException; import org.json.simple.parser.ParseException;
@ -104,8 +105,14 @@ public class JsonPath {
* @param <T> * @param <T>
* @return list of objects matched by the given path * @return list of objects matched by the given path
*/ */
public <T> List<T> read(Object json) { public <T> T read(Object json) {
return (List<T>) filters.filter(json); FilterOutput filterOutput = filters.filter(json);
if(filterOutput == null || filterOutput.getResult() == null){
return null;
}
return (T)filterOutput.getResult();
} }
/** /**
@ -115,8 +122,8 @@ public class JsonPath {
* @param <T> * @param <T>
* @return list of objects matched by the given path * @return list of objects matched by the given path
*/ */
public <T> List<T> read(String json) throws java.text.ParseException { public <T> T read(String json) throws java.text.ParseException {
return read(parse(json)); return (T)read(parse(json));
} }
/** /**
@ -137,8 +144,8 @@ public class JsonPath {
* @param <T> * @param <T>
* @return list of objects matched by the given path * @return list of objects matched by the given path
*/ */
public static <T> List<T> read(String json, String jsonPath) throws java.text.ParseException { public static <T> T read(String json, String jsonPath) throws java.text.ParseException {
return compile(jsonPath).read(json); return (T)compile(jsonPath).read(json);
} }
/** /**
@ -149,10 +156,11 @@ public class JsonPath {
* @param <T> * @param <T>
* @return list of objects matched by the given path * @return list of objects matched by the given path
*/ */
public static <T> List<T> read(Object json, String jsonPath) { public static <T> T read(Object json, String jsonPath) {
return compile(jsonPath).read(json); return (T)compile(jsonPath).read(json);
} }
/** /**
* Creates a new JsonPath and applies it to the provided Json object. Note this method * Creates a new JsonPath and applies it to the provided Json object. Note this method
* will throw an exception if the provided path returns more than one object. This method * will throw an exception if the provided path returns more than one object. This method
@ -163,23 +171,31 @@ public class JsonPath {
* @param <T> * @param <T>
* @return the object matched by the given path * @return the object matched by the given path
*/ */
public static <T> T readOne(Object json, String jsonPath) {
List<Object> result = compile(jsonPath).read(json, jsonPath);
if (log.isLoggable(Level.WARNING)) { // public static <T> T readOne(Object json, String jsonPath) {
if (!PathUtil.isPathDefinite(jsonPath)) { // Object result = compile(jsonPath).read(json, jsonPath);
log.warning("Using readOne() on a not definite json path may give incorrect results. Path : " + jsonPath); //
} // if (log.isLoggable(Level.WARNING)) {
} // if (!PathUtil.isPathDefinite(jsonPath)) {
// log.warning("Using readOne() on a not definite json path may give incorrect results. Path : " + jsonPath);
// }
// }
//
// return (T)result;
//
// /*
// if(result instanceof List){
// if (result.size() > 1) {
// throw new RuntimeException(format("Expected one result when reading path: %s but was: ", jsonPath, result.size()));
// }
// else if (result.isEmpty()){
// return null;
// }
// return (T) result.get(0);
// }
// */
// }
if (result.size() > 1) {
throw new RuntimeException(format("Expected one result when reading path: %s but was: ", jsonPath, result.size()));
}
else if (result.isEmpty()){
return null;
}
return (T) result.get(0);
}
/** /**
* Creates a new JsonPath and applies it to the provided Json object. Note this method * Creates a new JsonPath and applies it to the provided Json object. Note this method
@ -191,9 +207,9 @@ public class JsonPath {
* @param <T> * @param <T>
* @return the object matched by the given path * @return the object matched by the given path
*/ */
public static <T> T readOne(String json, String jsonPath) throws java.text.ParseException { // public static <T> T readOne(String json, String jsonPath) throws java.text.ParseException {
return (T) readOne(parse(json), jsonPath); // return (T) readOne(parse(json), jsonPath);
} // }
private static Object parse(String json) throws java.text.ParseException { private static Object parse(String json) throws java.text.ParseException {
try { try {

39
json-path/src/main/java/com/jayway/jsonpath/filter/FilterOutput.java
Unescape View File

@ -0,0 +1,39 @@
package com.jayway.jsonpath.filter;
import java.util.List;
import static java.lang.String.format;
/**
* User: kalle stenflo
* Date: 2/9/11
* Time: 12:28 PM
*/
public class FilterOutput {
private final Object result;
public FilterOutput(Object result) {
this.result = result;
}
public boolean isList(){
return (result instanceof List);
}
public Object getResult() {
return result;
}
public List<Object> getResultAsList() {
if(!isList()){
throw new RuntimeException(format("Can not convert a %s to a %s", result.getClass().getName(), List.class.getName()));
}
return (List<Object>)result;
}
}

2
json-path/src/main/java/com/jayway/jsonpath/filter/JsonPathFilterBase.java
Unescape View File

@ -9,5 +9,5 @@ import java.util.List;
* Time: 2:01 PM * Time: 2:01 PM
*/ */
public abstract class JsonPathFilterBase { public abstract class JsonPathFilterBase {
public abstract List<Object> apply(List<Object> filter); public abstract FilterOutput apply(FilterOutput filterItems);
} }

14
json-path/src/main/java/com/jayway/jsonpath/filter/JsonPathFilterChain.java
Unescape View File

@ -29,20 +29,20 @@ public class JsonPathFilterChain {
return configured; return configured;
} }
public List<Object> filter(Object root) { public FilterOutput filter(Object root) {
List<Object> rootList = new JSONArray(); FilterOutput out = new FilterOutput(root);
rootList.add(root);
List<Object> result = rootList;
for (JsonPathFilterBase filter : filters) { for (JsonPathFilterBase filter : filters) {
if (filter == null) { if (filter == null) {
throw new InvalidPathException(); throw new InvalidPathException();
} }
result = filter.apply(result); if(out.getResult() == null){
return null;
}
out = filter.apply(out);
} }
return result; return out;
} }
} }

79
json-path/src/main/java/com/jayway/jsonpath/filter/ListFilter.java
Unescape View File

@ -4,14 +4,15 @@ import com.jayway.jsonpath.JsonUtil;
import com.jayway.jsonpath.eval.ExpressionEvaluator; import com.jayway.jsonpath.eval.ExpressionEvaluator;
import org.json.simple.JSONArray; import org.json.simple.JSONArray;
//import javax.script.ScriptEngine;
//import javax.script.ScriptEngineManager;
import java.util.LinkedList; import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.regex.Matcher; import java.util.regex.Matcher;
import java.util.regex.Pattern; import java.util.regex.Pattern;
//import javax.script.ScriptEngine;
//import javax.script.ScriptEngineManager;
/** /**
* User: kalle stenflo * User: kalle stenflo
* Date: 2/2/11 * Date: 2/2/11
@ -37,31 +38,31 @@ public class ListFilter extends JsonPathFilterBase {
} }
@Override @Override
public List<Object> apply(List<Object> items) { public FilterOutput apply(FilterOutput items) {
List<Object> result = new JSONArray(); Object result = new JSONArray();
if (LIST_INDEX_PATTERN.matcher(pathFragment).matches()) { if (LIST_INDEX_PATTERN.matcher(pathFragment).matches()) {
return filterByListIndex(items); result = filterByListIndex(items.getResultAsList());
} else if (LIST_WILDCARD_PATTERN.matcher(pathFragment).matches()) { } else if (LIST_WILDCARD_PATTERN.matcher(pathFragment).matches()) {
return filterByWildcard(items); result = filterByWildcard(items.getResultAsList());
} else if (LIST_TAIL_PATTERN.matcher(pathFragment).matches()) { } else if (LIST_TAIL_PATTERN.matcher(pathFragment).matches()) {
return filterByListTailIndex(items); result = filterByListTailIndex(items.getResultAsList());
} else if (LIST_PULL_PATTERN.matcher(pathFragment).matches()) { } else if (LIST_PULL_PATTERN.matcher(pathFragment).matches()) {
return filterByPullIndex(items); result = filterByPullIndex(items.getResultAsList());
} else if (LIST_ITEM_HAS_PROPERTY_PATTERN.matcher(pathFragment).matches()) { } else if (LIST_ITEM_HAS_PROPERTY_PATTERN.matcher(pathFragment).matches()) {
return filterByItemProperty(items); result = filterByItemProperty(items.getResultAsList());
} else if (LIST_ITEM_MATCHES_EVAL.matcher(pathFragment).matches()) { } else if (LIST_ITEM_MATCHES_EVAL.matcher(pathFragment).matches()) {
return filterByItemEvalMatch(items); result = filterByItemEvalMatch(items.getResultAsList());
} }
return result; return new FilterOutput(result);
} }
private List<Object> filterByItemEvalMatch(List<Object> items) { private List<Object> filterByItemEvalMatch(List<Object> items) {
List<Object> result = new JSONArray(); List<Object> result = new JSONArray();
for (Object current : items) { for (Object current : items) {
for (Object item : JsonUtil.toList(current)) { for (Object item : items) {
if (isEvalMatch(item)) { if (isEvalMatch(item)) {
result.add(item); result.add(item);
} }
@ -76,8 +77,8 @@ public class ListFilter extends JsonPathFilterBase {
String prop = getFilterProperty(); String prop = getFilterProperty();
for (Object current : items) { //for (Object current : items) {
for (Object item : JsonUtil.toList(current)) { for (Object item : JsonUtil.toList(items)) {
if (JsonUtil.isMap(item)) { if (JsonUtil.isMap(item)) {
if (JsonUtil.toMap(item).containsKey(prop)) { if (JsonUtil.toMap(item).containsKey(prop)) {
@ -85,7 +86,7 @@ public class ListFilter extends JsonPathFilterBase {
} }
} }
} }
} //}
return result; return result;
} }
@ -94,50 +95,62 @@ public class ListFilter extends JsonPathFilterBase {
List<Object> result = new JSONArray(); List<Object> result = new JSONArray();
for (Object current : items) { for (Object current : items) {
if(current instanceof List){
result.addAll(JsonUtil.toList(current)); result.addAll(JsonUtil.toList(current));
} }
else {
result.add(current);
}
}
return result; return result;
} }
private List<Object> filterByListTailIndex(List<Object> items) { private Object filterByListTailIndex(List<Object> items) {
List<Object> result = new JSONArray();
//for (Object current : items) {
// Map array = JsonUtil.toMap(current);
for (Object current : items) { int index = getTailIndex(items.size());
List array = JsonUtil.toList(current);
return items.get(index);
result.add(array.get(getTailIndex(array.size())));
}
return result;
} }
private List<Object> filterByListIndex(List<Object> items) { private Object filterByListIndex(List<Object> items) {
List<Object> result = new JSONArray(); Object result = null;
for (Object current : items) { //for (Object current : items) {
List target = JsonUtil.toList(current); //List target = JsonUtil.toList(current);
Integer[] index = getArrayIndex(); Integer[] index = getArrayIndex();
if (index.length > 1) {
List<Object> tmp = new JSONArray();
for (int i : index) { for (int i : index) {
if(indexIsInRange(target, i)){ if (indexIsInRange(items, i)) {
result.add(target.get(i)); tmp.add(items.get(i));
}
} }
return result = tmp;
} else {
if (indexIsInRange(items, index[0])) {
result = items.get(index[0]);
} }
} }
//}
return result; return result;
} }
private List<Object> filterByPullIndex(List<Object> items) { private List<Object> filterByPullIndex(List<Object> items) {
List<Object> result = new JSONArray(); List<Object> result = new JSONArray();
for (Object current : items) { //for (Object current : items) {
List target = JsonUtil.toList(current); //List target = JsonUtil.toList(current);
Integer[] index = getListPullIndex(); Integer[] index = getListPullIndex();
for (int i : index) { for (int i : index) {
if(indexIsInRange(target, i)){ if (indexIsInRange(items, i)) {
result.add(target.get(i)); result.add(items.get(i));
}
} }
} }
//}
return result; return result;
} }

32
json-path/src/main/java/com/jayway/jsonpath/filter/PropertyFilter.java
Unescape View File

@ -22,25 +22,45 @@ public class PropertyFilter extends JsonPathFilterBase {
} }
@Override @Override
public List<Object> apply(List<Object> filter) { public FilterOutput apply(FilterOutput filter) {
List<Object> result = new JSONArray(); List<Object> result = new JSONArray();
if (WILDCARD.equals(pathFragment)) { if (WILDCARD.equals(pathFragment)) {
for (Object current : filter) { if (filter.isList()) {
for (Object current : filter.getResultAsList()) {
for (Object value : JsonUtil.toMap(current).values()) { for (Object value : JsonUtil.toMap(current).values()) {
result.add(value); result.add(value);
} }
} }
} else {
for (Object value : JsonUtil.toMap(filter.getResult()).values()) {
result.add(value);
}
} }
else { return new FilterOutput(result);
for (Object current : filter) { } else {
if (filter.isList()) {
for (Object current : filter.getResultAsList()) {
if (JsonUtil.toMap(current).containsKey(pathFragment)) { if (JsonUtil.toMap(current).containsKey(pathFragment)) {
Object o = JsonUtil.toMap(current).get(pathFragment);
if (JsonUtil.isList(o)) {
result.addAll(JsonUtil.toList(o));
} else {
result.add(JsonUtil.toMap(current).get(pathFragment)); result.add(JsonUtil.toMap(current).get(pathFragment));
} }
} }
} }
return new FilterOutput(result);
return result; } else {
Object mapValue = null;
if (JsonUtil.toMap(filter.getResult()).containsKey(pathFragment)) {
mapValue = JsonUtil.toMap(filter.getResult()).get(pathFragment);
}
return new FilterOutput(mapValue);
}
}
} }
} }

4
json-path/src/main/java/com/jayway/jsonpath/filter/RootFilter.java
Unescape View File

@ -11,7 +11,7 @@ import java.util.List;
public class RootFilter extends JsonPathFilterBase{ public class RootFilter extends JsonPathFilterBase{
@Override @Override
public List<Object> apply(List<Object> filter) { public FilterOutput apply(FilterOutput root) {
return filter; return root;
} }
} }

6
json-path/src/main/java/com/jayway/jsonpath/filter/TraverseFilter.java
Unescape View File

@ -14,12 +14,12 @@ import java.util.List;
public class TraverseFilter extends JsonPathFilterBase { public class TraverseFilter extends JsonPathFilterBase {
@Override @Override
public List<Object> apply(List<Object> filter) { public FilterOutput apply(FilterOutput filter) {
List<Object> result = new JSONArray(); List<Object> result = new JSONArray();
traverse(filter, result); traverse(filter.getResult(), result);
return result; return new FilterOutput(result);
} }
private void traverse(Object container, List<Object> result) { private void traverse(Object container, List<Object> result) {

56
json-path/src/test/java/com/jayway/jsonpath/JsonPathTest.java
Unescape View File

@ -6,6 +6,7 @@ import java.util.List;
import java.util.Map; import java.util.Map;
import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.Matchers.hasItems; import static org.hamcrest.Matchers.hasItems;
import static org.junit.Assert.*; import static org.junit.Assert.*;
@ -54,16 +55,16 @@ public class JsonPathTest {
@Test @Test
public void read_path_with_colon() throws Exception { public void read_path_with_colon() throws Exception {
assertEquals(JsonPath.readOne(DOCUMENT, "$.store.bicycle.foo:bar"), "fooBar"); assertEquals(JsonPath.read(DOCUMENT, "$.store.bicycle.foo:bar"), "fooBar");
assertEquals(JsonPath.readOne(DOCUMENT, "$.['store'].['bicycle'].['foo:bar']"), "fooBar"); assertEquals(JsonPath.read(DOCUMENT, "$.['store'].['bicycle'].['foo:bar']"), "fooBar");
} }
@Test @Test
public void read_document_from_root() throws Exception { public void read_document_from_root() throws Exception {
List<Object> list = JsonPath.read(DOCUMENT, "$.store"); Map result = JsonPath.read(DOCUMENT, "$.store");
assertEquals(2, ((Map) list.get(0)).values().size()); assertEquals(2, result.values().size());
} }
@ -73,7 +74,9 @@ public class JsonPathTest {
JsonPath path = JsonPath.compile("$.store.book[1]"); JsonPath path = JsonPath.compile("$.store.book[1]");
List<Map> list = path.read(DOCUMENT); Map map = path.read(DOCUMENT);
assertEquals("Evelyn Waugh", map.get("author"));
} }
@Test @Test
@ -86,14 +89,15 @@ public class JsonPathTest {
@Test @Test
public void read_store_book_author() throws Exception { public void read_store_book_author() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$.store.book[*].author"), hasItems("Nigel Rees", "Evelyn Waugh", "Herman Melville", "J. R. R. Tolkien")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[0,1].author"), hasItems("Nigel Rees", "Evelyn Waugh"));
assertThat(JsonPath.<String>read(DOCUMENT, "$.['store'].['book'][*].['author']"), hasItems("Nigel Rees", "Evelyn Waugh", "Herman Melville", "J. R. R. Tolkien")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[*].author"), hasItems("Nigel Rees", "Evelyn Waugh", "Herman Melville", "J. R. R. Tolkien"));
assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.['store'].['book'][*].['author']"), hasItems("Nigel Rees", "Evelyn Waugh", "Herman Melville", "J. R. R. Tolkien"));
} }
@Test @Test
public void all_authors() throws Exception { public void all_authors() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$..author"), hasItems("Nigel Rees", "Evelyn Waugh", "Herman Melville", "J. R. R. Tolkien")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$..author"), hasItems("Nigel Rees", "Evelyn Waugh", "Herman Melville", "J. R. R. Tolkien"));
} }
@ -101,57 +105,57 @@ public class JsonPathTest {
public void all_store_properties() throws Exception { public void all_store_properties() throws Exception {
List<Object> itemsInStore = JsonPath.read(DOCUMENT, "$.store.*"); List<Object> itemsInStore = JsonPath.read(DOCUMENT, "$.store.*");
assertEquals(JsonPath.readOne(itemsInStore, "$.[0].[0].author"), "Nigel Rees"); assertEquals(JsonPath.read(itemsInStore, "$.[0].[0].author"), "Nigel Rees");
assertEquals(JsonPath.readOne(itemsInStore, "$.[0][0].author"), "Nigel Rees"); assertEquals(JsonPath.read(itemsInStore, "$.[0][0].author"), "Nigel Rees");
} }
@Test @Test
public void all_prices_in_store() throws Exception { public void all_prices_in_store() throws Exception {
assertThat(JsonPath.<Double>read(DOCUMENT, "$.store..price"), hasItems(8.95D, 12.99D, 8.99D, 19.95D)); assertThat(JsonPath.<List<Double>>read(DOCUMENT, "$.store..price"), hasItems(8.95D, 12.99D, 8.99D, 19.95D));
} }
@Test @Test
public void access_array_by_index_from_tail() throws Exception { public void access_array_by_index_from_tail() throws Exception {
assertThat(JsonPath.<String>readOne(DOCUMENT, "$..book[(@.length-1)].author"), equalTo("J. R. R. Tolkien")); assertThat(JsonPath.<String>read(DOCUMENT, "$..book[(@.length-1)].author"), equalTo("J. R. R. Tolkien"));
assertThat(JsonPath.<String>readOne(DOCUMENT, "$..book[-1:].author"), equalTo("J. R. R. Tolkien")); assertThat(JsonPath.<String>read(DOCUMENT, "$..book[-1:].author"), equalTo("J. R. R. Tolkien"));
} }
@Test @Test
public void read_store_book_index_0_and_1() throws Exception { public void read_store_book_index_0_and_1() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$.store.book[0,1].author"), hasItems("Nigel Rees", "Evelyn Waugh")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[0,1].author"), hasItems("Nigel Rees", "Evelyn Waugh"));
assertTrue(JsonPath.<String>read(DOCUMENT, "$.store.book[0,1].author").size() == 2); assertTrue(JsonPath.<List>read(DOCUMENT, "$.store.book[0,1].author").size() == 2);
} }
@Test @Test
public void read_store_book_pull_first_2() throws Exception { public void read_store_book_pull_first_2() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$.store.book[:2].author"), hasItems("Nigel Rees", "Evelyn Waugh")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[:2].author"), hasItems("Nigel Rees", "Evelyn Waugh"));
assertTrue(JsonPath.<String>read(DOCUMENT, "$.store.book[:2].author").size() == 2); assertTrue(JsonPath.<List>read(DOCUMENT, "$.store.book[:2].author").size() == 2);
} }
@Test @Test
public void read_store_book_filter_by_isbn() throws Exception { public void read_store_book_filter_by_isbn() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$.store.book[?(@.isbn)].isbn"), hasItems("0-553-21311-3", "0-395-19395-8")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[?(@.isbn)].isbn"), hasItems("0-553-21311-3", "0-395-19395-8"));
assertTrue(JsonPath.<String>read(DOCUMENT, "$.store.book[?(@.isbn)].isbn").size() == 2); assertTrue(JsonPath.<List>read(DOCUMENT, "$.store.book[?(@.isbn)].isbn").size() == 2);
} }
@Test @Test
public void all_books_cheaper_than_10() throws Exception { public void all_books_cheaper_than_10() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$.store.book[?(@.price < 10)].title"), hasItems("Sayings of the Century", "Moby Dick")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$.store.book[?(@.price < 10)].title"), hasItems("Sayings of the Century", "Moby Dick"));
} }
@Test @Test
public void all_books_with_category_reference() throws Exception { public void all_books_with_category_reference() throws Exception {
assertThat(JsonPath.<String>read(DOCUMENT, "$..book[?(@.category = 'reference')].title"), hasItems("Sayings of the Century")); assertThat(JsonPath.<List<String>>read(DOCUMENT, "$..book[?(@.category = 'reference')].title"), hasItems("Sayings of the Century"));
} }
@ -163,13 +167,15 @@ public class JsonPathTest {
@Test @Test
public void access_index_out_of_bounds_does_not_throw_exception() throws Exception { public void access_index_out_of_bounds_does_not_throw_exception() throws Exception {
List<Object> res = JsonPath.read(DOCUMENT, "$.store.book[100].author"); Object res = JsonPath.read(DOCUMENT, "$.store.book[100].author");
assertNull(res);
assertTrue(res.isEmpty()); res = JsonPath.read(DOCUMENT, "$.store.book[1, 200].author");
res = JsonPath.read(DOCUMENT, "$.store.book[100, 200].author");
assertTrue(res.isEmpty()); assertThat((List<String>)res, hasItems("Evelyn Waugh"));
//assertNull(();
} }
/* /*

Write Preview
Loading…
Cancel
Save