Kotest in readme

README.md

@@ -9,6 +9,7 @@ JsonUnit is a library that simplifies JSON comparison in tests.
   * [Spring MVC assertions](#spring)
   * [Spring WebTestClient](#spring-web-client)
   * [Spring REST client assertions](#spring-client)
+  * [Kotest assertions](#kotest)
   * [Vintage APIs](#vintage)
 - [Features](#features)
   * [JsonPath support](#jsonpath)
@@ -289,6 +290,55 @@ To use import
 
 For more examples see [the tests](https://github.com/lukas-krecan/JsonUnit/blob/master/json-unit-spring/src/test/java/net/javacrumbs/jsonunit/spring/testit/ClientTest.java).
 
+## <a name="kotest"></a>Kotest assertions
+JsonUnit supports [Kotest assertions](https://kotest.io/docs/assertions/assertions.html).
+
+Import:
+
+```xml
+<dependency>
+    <groupId>net.javacrumbs.json-unit</groupId>
+    <artifactId>json-unit-kotest</artifactId>
+    <version>3.1.0</version>
+    <scope>test</scope>
+</dependency>
+```
+
+And enjoy:
+
+```kotlin
+"""{"test":1}""" should equalJson("""{"test": 1}""")
+
+// Provide configuration
+"""{"test":1.01}""" should equalJson("""{"test":1}""", configuration { withTolerance(0.1) })
+
+// Use inPath
+"""{"test":1}""" inPath "test" should equalJson("1")
+
+// Clues with nesting
+"""{"test": {"nested": 1}}""".inPath("test").asClue {
+    it inPath "nested" should equalJson("2")
+}
+
+"""{"test":1}""".inPath("test").shouldBeJsonNumber()
+    // shouldBeJsonNumber returns BigDecimal, so we can use standard kotest assertions
+    // PLease note that numbers are converted to BigDecimals
+    .shouldBeEqualComparingTo(valueOf(1))
+
+// The same for arrays generated by JsonPath
+"""{"test": [{"a": "a"}, {"a": true}, {"a": null}, {"a": 4}]}""".inPath("$.test[*].a")
+    .shouldBeJsonArray()
+    .shouldContainExactly("a", true, null, valueOf(4))
+
+// ... and objects
+"""{"a":1, "b": true}""".shouldBeJsonObject().shouldMatchAll(
+    "a" to { it should beJsonNumber() },
+    "b" to { it should beJsonBoolean() }
+)
+```
+
+See the [tests](https://github.com/lukas-krecan/JsonUnit/blob/master/json-unit-kotest/src/test/kotlin/net/javacrumbs/jsonunit/kotest/test/KotestTest.kt) for more examples.
+
 # Features
 JsonUnit support all this features regardless of API you use.
 

json-unit-kotest/src/test/kotlin/net/javacrumbs/jsonunit/kotest/test/KotestTest.kt

@@ -55,7 +55,7 @@ Different value found in node "test", expected: <2> but was: <1>.""")
     @Test
     fun `Should assert path`() {
         assertThrows<AssertionError> {
-            """{"test":1}""" inPath "test" should equalJson("""2""")
+            """{"test":1}""" inPath "test" should equalJson("2")
         }.shouldHaveMessage("""JSON documents are different:
 Different value found in node "test", expected: <2> but was: <1>.""")
     }
@@ -64,7 +64,7 @@ Different value found in node "test", expected: <2> but was: <1>.""")
     fun `Should assert nested`() {
         assertThrows<AssertionError> {
             """{"test": {"nested": 1}}""".inPath("test").asClue {
-                it inPath "nested" should equalJson("""2""")
+                it inPath "nested" should equalJson("2")
             }
         }.shouldHaveMessage("""JSON in path "test"
 JSON documents are different: