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Code Issues 198 Packages Projects Releases 10 Wiki Activity

codegen-kotlin: Fix generation of copy() methods (#705)

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- don't generate copy methods for abstract classes
- precisely determine if copy method needs override modifier (tricky)

Fixes #569
This commit is contained in:
translatenix
2024-10-19 20:32:21 -07:00
committed by GitHub
parent d271b62543
commit 84f4ec863c
2 changed files with 217 additions and 1 deletions
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205
pkl-codegen-kotlin/src/test/kotlin/org/pkl/codegen/kotlin/KotlinCodeGeneratorTest.kt
View File

@@ -661,6 +661,211 @@ class KotlinCodeGeneratorTest {
assertCompilesSuccessfully(kotlinCode)
}
// https://github.com/apple/pkl/issues/569
@Test
fun `abstract classes`() {
val kotlinCode =
generateKotlinCode(
"""
module my.mod
abstract class Foo { one: Int }
abstract class Bar extends Foo { two: String }
class Baz extends Bar { three: Duration }
class Qux extends Bar {}
"""
)
assertContains(
"""
| abstract class Foo(
| open val one: Long
| ) {
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| abstract class Bar(
| one: Long,
| open val two: String
| ) : Foo(one) {
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| class Baz(
| one: Long,
| two: String,
| val three: Duration
| ) : Bar(one, two) {
| fun copy(
| one: Long = this.one,
| two: String = this.two,
| three: Duration = this.three
| ): Baz = Baz(one, two, three)
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| class Qux(
| one: Long,
| two: String
| ) : Bar(one, two) {
| fun copy(one: Long = this.one, two: String = this.two): Qux = Qux(one, two)
"""
.trimMargin(),
kotlinCode
)
assertCompilesSuccessfully(kotlinCode)
}
// https://github.com/apple/pkl/issues/569
@Test
fun `abstract class that extends open class`() {
val kotlinCode =
generateKotlinCode(
"""
module my.mod
open class Foo { one: Int }
abstract class Bar extends Foo { two: String }
class Baz extends Bar { three: Duration }
class Qux extends Bar {}
"""
)
assertContains(
"""
| open class Foo(
| open val one: Long
| ) {
| open fun copy(one: Long = this.one): Foo = Foo(one)
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| abstract class Bar(
| one: Long,
| open val two: String
| ) : Foo(one) {
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| class Baz(
| one: Long,
| two: String,
| val three: Duration
| ) : Bar(one, two) {
| fun copy(
| one: Long = this.one,
| two: String = this.two,
| three: Duration = this.three
| ): Baz = Baz(one, two, three)
|
| override fun copy(one: Long): Baz = Baz(one, two, three)
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| class Qux(
| one: Long,
| two: String
| ) : Bar(one, two) {
| fun copy(one: Long = this.one, two: String = this.two): Qux = Qux(one, two)
|
| override fun copy(one: Long): Qux = Qux(one, two)
"""
.trimMargin(),
kotlinCode
)
assertCompilesSuccessfully(kotlinCode)
}
// https://github.com/apple/pkl/issues/569
@Test
fun `abstract class that extends open class without adding properties`() {
val kotlinCode =
generateKotlinCode(
"""
module my.mod
open class Foo { one: Int }
abstract class Bar extends Foo {}
class Baz extends Bar { two: Duration }
class Qux extends Bar {}
"""
)
assertContains(
"""
| open class Foo(
| open val one: Long
| ) {
| open fun copy(one: Long = this.one): Foo = Foo(one)
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| abstract class Bar(
| one: Long
| ) : Foo(one) {
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| class Baz(
| one: Long,
| val two: Duration
| ) : Bar(one) {
| fun copy(one: Long = this.one, two: Duration = this.two): Baz = Baz(one, two)
|
| override fun copy(one: Long): Baz = Baz(one, two)
"""
.trimMargin(),
kotlinCode
)
assertContains(
"""
| class Qux(
| one: Long
| ) : Bar(one) {
| override fun copy(one: Long): Qux = Qux(one)
"""
.trimMargin(),
kotlinCode
)
assertCompilesSuccessfully(kotlinCode)
}
@Test
fun keywords() {
val props = kotlinKeywords.joinToString("\n") { "`$it`: Int" }