Add notNull matcher tests in test-mokkery

Author: lupuuss

test-mokkery/src/commonMain/kotlin/dev/mokkery/test/TestInterface.kt

@@ -4,6 +4,8 @@ interface TestInterface : BaseInterface {
 
     var property: String
 
+    fun callWithString(value: String?): Int
+
     fun callWithPrimitives(i: Int, j: Int = 1): Double
 
     fun callWithComplex(list: List<String>): List<Int>

test-mokkery/src/commonTest/kotlin/dev/mokkery/test/ArgMatchersTest.kt

@@ -24,9 +24,11 @@ import dev.mokkery.matcher.lte
 import dev.mokkery.matcher.neq
 import dev.mokkery.matcher.neqRef
 import dev.mokkery.matcher.ofType
+import dev.mokkery.matcher.matchingBy
 import dev.mokkery.matcher.varargs.anyVarargs
 import dev.mokkery.matcher.varargs.varargsAll
 import dev.mokkery.matcher.varargs.varargsAny
+import dev.mokkery.matcher.nullable.notNull
 import dev.mokkery.mock
 import kotlin.test.Test
 import kotlin.test.assertContentEquals
@@ -347,5 +349,15 @@ class ArgMatchersTest {
         mock.callWithPrimitives(3)
         assertEquals(listOf(1, 3), called)
     }
+
+    @Test
+    fun testNotNullMatcherAllowsUsingNotNullableMatchers() {
+        every { mock.callWithString(any()) } returns 1
+        every { mock.callWithString(notNull()) } returns 2
+        every { mock.callWithString(notNull(matchingBy(CharSequence::isNotEmpty))) } returns 3
+        assertEquals(1, mock.callWithString(null))
+        assertEquals(2, mock.callWithString(""))
+        assertEquals(3, mock.callWithString("Aaaaaaa"))
+    }
 }
 

test-mokkery/src/commonTest/kotlin/dev/mokkery/test/SpyTest.kt

@@ -92,6 +92,7 @@ class SpyTest {
 private object TestInterfaceImpl : TestInterface {
 
     override var property: String = "1"
+    override fun callWithString(value: String?): Int = 0
 
     override fun callWithPrimitives(i: Int, j: Int): Double = i.toDouble()