1+ package com.fasterxml.jackson.module.kotlin.kogeraIntegration.deser
2+
3+ import com.fasterxml.jackson.annotation.JsonSetter
4+ import com.fasterxml.jackson.annotation.Nulls
5+ import org.junit.jupiter.api.Assertions
6+ import org.junit.jupiter.api.Nested
7+ import org.junit.jupiter.api.Test
8+ import org.junit.jupiter.api.assertThrows
9+ import tools.jackson.databind.exc.InvalidNullException
10+ import tools.jackson.databind.json.JsonMapper
11+ import tools.jackson.module.kotlin.KotlinFeature.NewStrictNullChecks
12+ import tools.jackson.module.kotlin.kotlinModule
13+ import tools.jackson.module.kotlin.readValue
14+
15+ class StrictNullChecksTest {
16+ private val mapper = JsonMapper .builder()
17+ .addModule(kotlinModule { enable(NewStrictNullChecks ) })
18+ .build()
19+
20+ class ArrayWrapper (val value : Array <Int >)
21+ data class ListWrapper (val value : List <Int >)
22+ data class MapWrapper (val value : Map <String , Int >)
23+
24+ @Nested
25+ inner class NonNullInput {
26+ @Test
27+ fun array () {
28+ val expected = ArrayWrapper (arrayOf(1 ))
29+ val src = mapper.writeValueAsString(expected)
30+ val result = mapper.readValue<ArrayWrapper >(src)
31+
32+ Assertions .assertArrayEquals(expected.value, result.value)
33+ }
34+
35+ @Test
36+ fun list () {
37+ val expected = ListWrapper (listOf (1 ))
38+ val src = mapper.writeValueAsString(expected)
39+ val result = mapper.readValue<ListWrapper >(src)
40+
41+ Assertions .assertEquals(expected, result)
42+ }
43+
44+ @Test
45+ fun map () {
46+ val expected = MapWrapper (mapOf (" foo" 1 ))
47+ val src = mapper.writeValueAsString(expected)
48+ val result = mapper.readValue<MapWrapper >(src)
49+
50+ Assertions .assertEquals(expected, result)
51+ }
52+ }
53+
54+ data class AnyWrapper (val value : Any )
55+
56+ @Nested
57+ inner class NullInput {
58+ @Test
59+ fun array () {
60+ val src = mapper.writeValueAsString(AnyWrapper (arrayOf<Int ?>(null )))
61+ assertThrows<InvalidNullException > { mapper.readValue<ArrayWrapper >(src) }
62+ }
63+
64+ @Test
65+ fun list () {
66+ val src = mapper.writeValueAsString(AnyWrapper (arrayOf<Int ?>(null )))
67+ assertThrows<InvalidNullException > { mapper.readValue<ListWrapper >(src) }
68+ }
69+
70+ @Test
71+ fun map () {
72+ val src = mapper.writeValueAsString(AnyWrapper (mapOf (" foo" null )))
73+ assertThrows<InvalidNullException > { mapper.readValue<MapWrapper >(src) }
74+ }
75+ }
76+
77+ class ContentNullsSkipArrayWrapper (@JsonSetter(contentNulls = Nulls .SKIP ) val value : Array <Int >)
78+ data class ContentNullsSkipListWrapper (@JsonSetter(contentNulls = Nulls .SKIP ) val value : List <Int >)
79+ data class ContentNullsSkipMapWrapper (@JsonSetter(contentNulls = Nulls .SKIP ) val value : Map <String , Int >)
80+
81+ @Nested
82+ inner class CustomByAnnotationTest {
83+ @Test
84+ fun array () {
85+ val expected = ContentNullsSkipArrayWrapper (emptyArray())
86+ val src = mapper.writeValueAsString(AnyWrapper (arrayOf<Int ?>(null )))
87+ val result = mapper.readValue<ContentNullsSkipArrayWrapper >(src)
88+
89+ Assertions .assertArrayEquals(expected.value, result.value)
90+ }
91+
92+ @Test
93+ fun list () {
94+ val expected = ContentNullsSkipListWrapper (emptyList())
95+ val src = mapper.writeValueAsString(AnyWrapper (listOf<Int ?>(null )))
96+ val result = mapper.readValue<ContentNullsSkipListWrapper >(src)
97+
98+ Assertions .assertEquals(expected, result)
99+ }
100+
101+ @Test
102+ fun map () {
103+ val expected = ContentNullsSkipMapWrapper (emptyMap())
104+ val src = mapper.writeValueAsString(AnyWrapper (mapOf (" foo" null )))
105+ val result = mapper.readValue<ContentNullsSkipMapWrapper >(src)
106+
107+ Assertions .assertEquals(expected, result)
108+ }
109+ }
110+
111+ class AnnotatedArrayWrapper (@JsonSetter(nulls = Nulls .SKIP ) val value : Array <Int > = emptyArray())
112+ data class AnnotatedListWrapper (@JsonSetter(nulls = Nulls .SKIP ) val value : List <Int > = emptyList())
113+ data class AnnotatedMapWrapper (@JsonSetter(nulls = Nulls .SKIP ) val value : Map <String , Int > = emptyMap())
114+
115+ // If Default is specified by annotation, it is not overridden.
116+ @Nested
117+ inner class AnnotatedNullInput {
118+ @Test
119+ fun array () {
120+ val src = mapper.writeValueAsString(AnyWrapper (arrayOf<Int ?>(null )))
121+ assertThrows<InvalidNullException > { mapper.readValue<AnnotatedArrayWrapper >(src) }
122+ }
123+
124+ @Test
125+ fun list () {
126+ val src = mapper.writeValueAsString(AnyWrapper (arrayOf<Int ?>(null )))
127+ assertThrows<InvalidNullException > { mapper.readValue<AnnotatedListWrapper >(src) }
128+ }
129+
130+ @Test
131+ fun map () {
132+ val src = mapper.writeValueAsString(AnyWrapper (mapOf (" foo" null )))
133+ assertThrows<InvalidNullException > { mapper.readValue<AnnotatedMapWrapper >(src) }
134+ }
135+ }
136+ }
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