JsonPath仓库
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Patrik Helsing 84211599bf [#119] Added methods hasNoJsonPath() and withoutJsonPath(). Updated README 9 years ago
..
src [#119] Added methods hasNoJsonPath() and withoutJsonPath(). Updated README 9 years ago
README.md [#119] Added methods hasNoJsonPath() and withoutJsonPath(). Updated README 9 years ago
build.gradle Gradle build cleanup. 10 years ago

README.md

json-path-assert

A library with hamcrest-matchers for JsonPath.

Getting started

This library is available at the Central Maven Repository. Maven users add this to your POM.

<dependency>
    <groupId>com.jayway.jsonpath</groupId>
    <artifactId>json-path-assert</artifactId>
    <version>2.1.0</version>
</dependency>

Usage guide

Statically import the library entry point:

import static com.jayway.jsonpath.matchers.JsonPathMatchers.*;

NOTE: The actual evaluation of JsonPath will depend on the current configuration:

Configuration.setDefaults(...);

The matchers can be used to inspect different representations of JSON:

// As a String...
String json = ...;

// or a file...
File json = ...;

// or an already parsed json object...
Object json = Configuration.defaultConfiguration().jsonProvider().parse(content);

Usage examples:

// Verify validity of JSON
assertThat(json, isJson());

// Verify existence (or non-existence) of JSON path
assertThat(json, hasJsonPath("$.message"));
assertThat(json, hasNoJsonPath("$.message"));

// Verify evaluation of JSON path
assertThat(json, hasJsonPath("$.message", equalTo("Hi there")));
assertThat(json, hasJsonPath("$.quantity", equalTo(5)));
assertThat(json, hasJsonPath("$.price", equalTo(34.56)));
assertThat(json, hasJsonPath("$.store.book[*].author", hasSize(4)));
assertThat(json, hasJsonPath("$.store.book[*].author", hasItem("Evelyn Waugh")));

Combine matchers for greater expressiveness

// This will separate the JSON parsing from the path evaluation
assertThat(json, isJson(withoutJsonPath("...")));
assertThat(json, isJson(withJsonPath("...", equalTo(3))));    

// Combine several JSON path evaluations into a single statement
// (This will parse the JSON only once)
assertThat(json, isJson(allOf(
    withJsonPath("$.store.name", equalTo("Little Shop")),
    withoutJsonPath("$.expensive"),
    withJsonPath("$..title", hasSize(4)))));

Match on pre-compiled complex JSON path expressions

Filter cheapFictionFilter = filter(
    where("category").is("fiction").and("price").lte(10D));
JsonPath cheapFiction = JsonPath.compile("$.store.book[?]", cheapFictionFilter);
String json = ...;
assertThat(json, isJson(withJsonPath(cheapFiction)));

Use typed matchers for specific JSON representations, if needed

String json = ...
assertThat(json, isJsonString(withJsonPath("$..author")));

File json = ...
assertThat(json, isJsonFile(withJsonPath("$..author")));