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Fail on sealed classes in KotlinJsonAdapterFactory and code gen (#914)

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Resolves #906
This commit is contained in:
Zac Sweers
2019-09-12 20:38:46 -04:00
committed by GitHub
parent a67b4d6a72
commit dd0e3807d3
4 changed files with 41 additions and 0 deletions
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6
kotlin/codegen/src/main/java/com/squareup/moshi/kotlin/codegen/metadata.kt
View File

@@ -57,6 +57,7 @@ import me.eugeniomarletti.kotlin.metadata.kotlinMetadata
import me.eugeniomarletti.kotlin.metadata.modality
import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.Class
import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.Modality.ABSTRACT
import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.Modality.SEALED
import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.Type
import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.TypeParameter
import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.TypeParameter.Variance
@@ -277,6 +278,11 @@ internal fun targetType(messager: Messager,
ERROR, "@JsonClass can't be applied to $element: must not be an inner class", element)
return null
}
proto.modality == SEALED -> {
messager.printMessage(
ERROR, "@JsonClass can't be applied to $element: must not be sealed", element)
return null
}
proto.modality == ABSTRACT -> {
messager.printMessage(
ERROR, "@JsonClass can't be applied to $element: must not be abstract", element)

17
kotlin/codegen/src/test/java/com/squareup/moshi/kotlin/codegen/JsonClassCodegenProcessorTest.kt
View File

@@ -118,6 +118,23 @@ class JsonClassCodegenProcessorTest {
"error: @JsonClass can't be applied to AbstractClass: must not be abstract")
}
@Test fun sealedClassesNotSupported() {
val call = KotlinCompilerCall(temporaryFolder.root)
call.inheritClasspath = true
call.addService(Processor::class, JsonClassCodegenProcessor::class)
call.addKt("source.kt", """
|import com.squareup.moshi.JsonClass
|
|@JsonClass(generateAdapter = true)
|sealed class SealedClass(val a: Int)
|""".trimMargin())
val result = call.execute()
assertThat(result.exitCode).isEqualTo(ExitCode.COMPILATION_ERROR)
assertThat(result.systemErr).contains(
"error: @JsonClass can't be applied to SealedClass: must not be sealed")
}
@Test fun innerClassesNotSupported() {
val call = KotlinCompilerCall(temporaryFolder.root)
call.inheritClasspath = true