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// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
@file:Suppress("unused")
package org.jetbrains.kotlin.idea.gradleTooling
import org.jetbrains.kotlin.idea.gradleTooling.reflect.*
import org.junit.Test
import kotlin.test.assertEquals
import kotlin.test.assertNull
import kotlin.test.assertTrue
// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
class CallReflectiveTest {
class TestLogger : ReflectionLogger {
val messages = mutableListOf<String>()
val exceptions = mutableListOf<Throwable?>()
override fun logIssue(message: String, exception: Throwable?) {
messages.add(message)
exceptions.add(exception)
}
}
private val logger = TestLogger()
@Test
fun `call get property`() {
class Tested(val myProperty: String)
val instance = Tested("abc")
assertEquals("abc", instance.callReflectiveGetter("getMyProperty", logger))
}
@Test
fun `call get missing property`() {
class Tested(val myProperty: String)
val instance = Tested("abc")
assertNull(instance.callReflectiveGetter("getWrongPropertyName", logger))
assertEquals(1, logger.messages.size)
}
@Test
fun `call property with wrong return type`() {
class Tested(val myProperty: String)
val instance = Tested("abc")
assertNull(instance.callReflective("getMyProperty", parameters(), returnType<Int>(), logger))
assertEquals(1, logger.messages.size, "Expected single issue being reported")
val message = logger.messages.single()
assertTrue("String" in message, "Expected logged message to mention 'String'")
assertTrue("Int" in message, "Expected logged message to mention 'Int'")
}
@Test
fun `call function`() {
class Tested {
fun addTwo(value: Int) = value + 2
fun minus(first: Int, second: Int) = first - second
}
val instance = Tested()
assertEquals(4, instance.callReflective("addTwo", parameters(parameter(2)), returnType<Int>(), logger))
assertEquals(0, logger.messages.size)
assertEquals(3, instance.callReflective("minus", parameters(parameter(6), parameter(3)), returnType<Int>(), logger))
assertEquals(0, logger.messages.size)
}
@Test
fun `call function with null value (int) parameter`() {
class Tested {
fun orZero(value: Int?): Int = value ?: 0
}
val instance = Tested()
assertEquals(0, instance.callReflective("orZero", parameters(parameter<Int?>(null)), returnType<Int>(), logger))
assertEquals(0, logger.messages.size)
}
@Test
fun `call function with null value (string) parameter`() {
class Tested {
fun orEmpty(value: String?) = value ?: ""
}
val instance = Tested()
assertEquals("", instance.callReflective("orEmpty", parameters(parameter<String?>(null)), returnType<String>(), logger))
assertEquals(0, logger.messages.size)
}
}
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