lyng/lynglib/src/commonTest/kotlin/BridgeResolverTest.kt

109 lines
3.5 KiB
Kotlin

package net.sergeych.lyng
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlinx.coroutines.test.runTest
import net.sergeych.lyng.bridge.BridgeCallByName
import net.sergeych.lyng.bridge.LookupSpec
import net.sergeych.lyng.bridge.LookupTarget
import net.sergeych.lyng.bridge.resolver
import net.sergeych.lyng.obj.ObjInstance
import net.sergeych.lyng.obj.ObjInt
class BridgeResolverTest {
@Test
fun testLocalAndMemberHandles() = runTest {
val im = Script.defaultImportManager.copy()
val scope = im.newStdScope()
scope.eval(
"""
var x = 1
fun add(a: Int, b: Int) = a + b
class Foo {
var count: Int = 0
fun bump() { count = count + 1 }
}
val f = Foo()
""".trimIndent()
)
val facade = scope.asFacade()
val resolver = facade.resolver()
val xHandle = resolver.resolveVar("x")
assertEquals(1, (xHandle.get(facade) as ObjInt).value)
xHandle.set(facade, ObjInt.of(5))
assertEquals(5, (xHandle.get(facade) as ObjInt).value)
val addHandle = resolver.resolveCallable("add")
val addResult = addHandle.call(facade, Arguments(ObjInt.of(2), ObjInt.of(3)))
assertEquals(5, (addResult as ObjInt).value)
val fRec = scope["f"] ?: error("f not found")
val fObj = scope.resolve(fRec, "f") as ObjInstance
val countHandle = resolver.resolveMemberVar(fObj, "count")
assertEquals(0, (countHandle.get(facade) as ObjInt).value)
val bumpHandle = resolver.resolveMemberCallable(fObj, "bump")
bumpHandle.call(facade)
assertEquals(1, (countHandle.get(facade) as ObjInt).value)
val callByName = resolver as BridgeCallByName
val addByName = callByName.callByName(facade, "add", Arguments(ObjInt.of(4), ObjInt.of(6)))
assertEquals(10, (addByName as ObjInt).value)
}
@Test
fun testExtensionCallableHandle() = runTest {
val im = Script.defaultImportManager.copy()
val scope = im.newStdScope()
scope.eval(
"""
class Foo {
var count: Int = 1
}
fun Foo.bumped() = count + 2
val f = Foo()
""".trimIndent()
)
val facade = scope.asFacade()
val resolver = facade.resolver()
val fooRec = scope["Foo"] ?: error("Foo not found")
val fooClass = scope.resolve(fooRec, "Foo") as net.sergeych.lyng.obj.ObjClass
val fRec = scope["f"] ?: error("f not found")
val fObj = scope.resolve(fRec, "f") as ObjInstance
val extHandle = resolver.resolveExtensionCallable(fooClass, "bumped")
val result = extHandle.call(facade, newThisObj = fObj) as ObjInt
assertEquals(3, result.value)
}
@Test
fun testModuleFrameLookup() = runTest {
val im = Script.defaultImportManager.copy()
val module = im.newModuleAt(Pos.builtIn)
module.eval(
"""
var x = 7
""".trimIndent()
)
val child = module.createChildScope()
child.eval(
"""
var x = 1
""".trimIndent()
)
val facade = child.asFacade()
val resolver = facade.resolver()
val handle = resolver.resolveVal("x", LookupSpec(targets = setOf(LookupTarget.ModuleFrame)))
val result = handle.get(facade) as ObjInt
assertEquals(7, result.value)
}
}