/
JavaScriptClassTest.kt
206 lines (184 loc) · 5.43 KB
/
JavaScriptClassTest.kt
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package expo.modules.kotlin.jni
import com.google.common.truth.Truth
import expo.modules.kotlin.sharedobjects.SharedObject
import expo.modules.kotlin.sharedobjects.SharedObjectId
import expo.modules.kotlin.sharedobjects.SharedObjectRegistry
import expo.modules.kotlin.sharedobjects.sharedObjectIdPropertyName
import org.junit.Test
class JavaScriptClassTest {
@Test
fun has_a_prototype() = withSingleModule({
Class("MyClass")
}) {
val prototype = evaluateScript("$moduleRef.MyClass.prototype")
Truth.assertThat(prototype.isObject()).isTrue()
}
@Test
fun has_keys_in_prototype() = withSingleModule({
Class("MyClass") {
Function("myFunction") { }
AsyncFunction("myAsyncFunction") { }
}
}) {
val prototypeKeys = evaluateScript("Object.keys($moduleRef.MyClass.prototype)")
.getArray()
.map { it.getString() }
Truth.assertThat(prototypeKeys).containsExactly(
"myFunction",
"myAsyncFunction"
)
}
@Test
fun defines_properties_on_initialization() = withSingleModule({
Class("MyClass") {
Property("foo") { ->
"bar"
}
}
}) {
val jsObject = callClass("MyClass").getObject()
Truth.assertThat(jsObject.getPropertyNames()).asList().contains("foo")
Truth.assertThat(jsObject.getProperty("foo").getString()).isEqualTo("bar")
}
@Test
fun should_be_able_to_receive_owner() = withSingleModule({
Class("MyClass") {
Function("f") { owner: JavaScriptObject ->
return@Function owner.getProperty("foo").getString()
}
Property("foo") { ->
"bar"
}
}
}) {
val foo = callClass("MyClass", "f").getString()
Truth.assertThat(foo).isEqualTo("bar")
}
@Test
fun native_constructor_should_be_called() {
var wasCalled = false
withSingleModule({
Class("MyClass") {
Constructor {
wasCalled = true
}
}
}) {
callClass("MyClass")
Truth.assertThat(wasCalled).isTrue()
}
}
@Test
fun shared_object_should_be_added_to_registry() {
class MySharedObject : SharedObject()
val mySharedObject = MySharedObject()
withSingleModule({
Class(MySharedObject::class) {
Constructor {
return@Constructor mySharedObject
}
}
}) {
val jsObject = callClass("MySharedObject").getObject()
val id = SharedObjectId(jsObject.getProperty(sharedObjectIdPropertyName).getInt())
val appContext = jsiInterop.appContextHolder.get()!!
val (native, _) = appContext.sharedObjectRegistry.pairs[id]!!
Truth.assertThat(native).isSameInstanceAs(mySharedObject)
}
}
@Test
fun shared_object_should_be_passed_as_this_in_sync_function() {
class MySharedObject : SharedObject()
val mySharedObject = MySharedObject()
var wasCalled = false
withSingleModule({
Class(MySharedObject::class) {
Constructor {
return@Constructor mySharedObject
}
Function("receiveThis") { self: MySharedObject ->
Truth.assertThat(self).isSameInstanceAs(mySharedObject)
wasCalled = true
}
}
}) {
callClass("MySharedObject", "receiveThis")
Truth.assertThat(wasCalled).isTrue()
}
}
@Test
fun shared_object_should_be_passed_as_this_in_async_function() {
class MySharedObject : SharedObject()
val mySharedObject = MySharedObject()
var wasCalled = false
withSingleModule({
Class(MySharedObject::class) {
Constructor {
return@Constructor mySharedObject
}
AsyncFunction("receiveThis") { self: MySharedObject ->
Truth.assertThat(self).isSameInstanceAs(mySharedObject)
wasCalled = true
}
}
}) {
callClassAsync("MySharedObject", "receiveThis")
Truth.assertThat(wasCalled).isTrue()
}
}
@Test
fun object_native_allocator_should_be_called_on_context_destroy() {
class MySharedObject : SharedObject()
var registry: SharedObjectRegistry? = null
var id: SharedObjectId? = null
withSingleModule({
Class(MySharedObject::class) {
Constructor {
return@Constructor MySharedObject()
}
}
}) {
val jsObject = callClass("MySharedObject").getObject()
id = SharedObjectId(jsObject.getProperty(sharedObjectIdPropertyName).getInt())
registry = jsiInterop.appContextHolder.get()?.sharedObjectRegistry
}
Truth.assertThat(registry!!.pairs[id!!]).isNull()
}
@Test
fun object_constructor_should_be_able_to_receive_js_object() = withSingleModule({
Class("MyClass") {
Constructor { self: JavaScriptObject ->
self.setProperty("foo", "bar")
}
}
}) {
val result = classProperty("MyClass", "foo").getString()
Truth.assertThat(result).isEqualTo("bar")
}
@Test
fun class_with_shared_object_should_receives_self_in_properties() {
class MySharedObject : SharedObject() {
var x: Int = 20
var y: Int = 30
}
withSingleModule({
Class(MySharedObject::class) {
Constructor {
return@Constructor MySharedObject()
}
Property("x") { self: MySharedObject ->
self.x
}
Property("y")
.get { self: MySharedObject ->
self.y
}
}
}) {
val x = classProperty("MySharedObject", "x").getInt()
val y = classProperty("MySharedObject", "y").getInt()
Truth.assertThat(x).isEqualTo(20)
Truth.assertThat(y).isEqualTo(30)
}
}
}