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package translators
import org.junit.jupiter.api.Assertions.*
import org.jetbrains.dokka.base.testApi.testRunner.BaseAbstractTest
import org.jetbrains.dokka.model.DProperty
import org.junit.jupiter.api.Test
/**
* https://kotlinlang.org/docs/java-to-kotlin-interop.html#properties
* https://kotlinlang.org/docs/java-interop.html#getters-and-setters
*/
class AccessorMethodNamingTest : BaseAbstractTest() {
@Test
fun `standard property`() {
testAccessors("data class TestCase(var standardString: String, var standardBoolean: Boolean)") {
doTest("standardString", "getStandardString", "setStandardString")
doTest("standardBoolean", "getStandardBoolean", "setStandardBoolean")
}
}
@Test
fun `properties that start with the word 'is' use the special is rules`() {
testAccessors("data class TestCase(var isFoo: String, var isBar: Boolean)") {
doTest("isFoo", "isFoo", "setFoo")
doTest("isBar", "isBar", "setBar")
}
}
@Test
fun `properties that start with a word that starts with 'is' use get and set`() {
testAccessors("data class TestCase(var issuesFetched: Int, var issuesWereDisplayed: Boolean)") {
doTest("issuesFetched", "getIssuesFetched", "setIssuesFetched")
doTest("issuesWereDisplayed", "getIssuesWereDisplayed", "setIssuesWereDisplayed")
}
}
@Test
fun `properties that start with the word 'is' followed by underscore use the special is rules`() {
testAccessors("data class TestCase(var is_foo: String, var is_bar: Boolean)") {
doTest("is_foo", "is_foo", "set_foo")
doTest("is_bar", "is_bar", "set_bar")
}
}
@Test
fun `properties that start with the word 'is' followed by a number use the special is rules`() {
testAccessors("data class TestCase(var is1of: String, var is2of: Boolean)") {
doTest("is1of", "is1of", "set1of")
doTest("is2of", "is2of", "set2of")
}
}
@Test
fun `sanity check short names`() {
testAccessors(
"""
data class TestCase(
var i: Boolean,
var `is`: Boolean,
var isz: Boolean,
var isA: Int,
var isB: Boolean,
)
""".trimIndent()
) {
doTest("i", "getI", "setI")
doTest("is", "getIs", "setIs")
doTest("isz", "getIsz", "setIsz")
doTest("isA", "isA", "setA")
doTest("isB", "isB", "setB")
}
}
private fun testAccessors(code: String, block: PropertyTestCase.() -> Unit) {
val configuration = dokkaConfiguration {
suppressObviousFunctions = false
sourceSets {
sourceSet {
sourceRoots = listOf("src/main/kotlin")
}
}
}
testInline("""
/src/main/kotlin/sample/TestCase.kt
package sample
$code
""".trimIndent(),
configuration) {
documentablesMergingStage = { module ->
val properties = module.packages.single().classlikes.first().properties
PropertyTestCase(properties).apply {
block()
finish()
}
}
}
}
private class PropertyTestCase(private val properties: List<DProperty>) {
private var testsDone: Int = 0
fun doTest(kotlinName: String, getter: String? = null, setter: String? = null) {
properties.first { it.name == kotlinName }.let {
assertEquals(getter, it.getter?.name)
assertEquals(setter, it.setter?.name)
}
testsDone += 1
}
fun finish() {
assertTrue(testsDone > 0, "No tests in TestCase")
assertEquals(testsDone, properties.size)
}
}
}
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