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XmlBindingTraitSerializerGeneratorTest.kt
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XmlBindingTraitSerializerGeneratorTest.kt
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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package software.amazon.smithy.rust.codegen.core.smithy.protocols.serialize
import org.junit.jupiter.api.Test
import software.amazon.smithy.model.shapes.OperationShape
import software.amazon.smithy.model.shapes.StringShape
import software.amazon.smithy.model.shapes.StructureShape
import software.amazon.smithy.rust.codegen.core.smithy.generators.EnumGenerator
import software.amazon.smithy.rust.codegen.core.smithy.generators.TestEnumType
import software.amazon.smithy.rust.codegen.core.smithy.generators.UnionGenerator
import software.amazon.smithy.rust.codegen.core.smithy.protocols.HttpTraitHttpBindingResolver
import software.amazon.smithy.rust.codegen.core.smithy.protocols.ProtocolContentTypes
import software.amazon.smithy.rust.codegen.core.smithy.transformers.OperationNormalizer
import software.amazon.smithy.rust.codegen.core.smithy.transformers.RecursiveShapeBoxer
import software.amazon.smithy.rust.codegen.core.testutil.TestWorkspace
import software.amazon.smithy.rust.codegen.core.testutil.asSmithyModel
import software.amazon.smithy.rust.codegen.core.testutil.compileAndTest
import software.amazon.smithy.rust.codegen.core.testutil.renderWithModelBuilder
import software.amazon.smithy.rust.codegen.core.testutil.testCodegenContext
import software.amazon.smithy.rust.codegen.core.testutil.testSymbolProvider
import software.amazon.smithy.rust.codegen.core.testutil.unitTest
import software.amazon.smithy.rust.codegen.core.util.inputShape
import software.amazon.smithy.rust.codegen.core.util.lookup
internal class XmlBindingTraitSerializerGeneratorTest {
private val baseModel = """
namespace test
use aws.protocols#restXml
union Choice {
@xmlFlattened
@xmlName("Hi")
flatMap: MyMap,
deepMap: MyMap,
@xmlFlattened
flatList: SomeList,
deepList: SomeList,
s: String,
enum: FooEnum,
date: Timestamp,
number: Double,
top: Top,
blob: Blob,
unit: Unit,
}
@enum([{name: "FOO", value: "FOO"}])
string FooEnum
map MyMap {
@xmlName("Name")
key: String,
@xmlName("Setting")
value: Choice,
}
list SomeList {
member: Choice
}
structure Top {
choice: Choice,
field: String,
@xmlAttribute
extra: Long,
@xmlName("prefix:local")
renamedWithPrefix: String,
@xmlFlattened
recursive: TopList
}
list TopList {
member: Top
}
structure OpInput {
@httpPayload
payload: Top
}
@http(uri: "/top", method: "POST")
operation Op {
input: OpInput,
}
""".asSmithyModel()
@Test
fun `generates valid serializers`() {
val model = RecursiveShapeBoxer().transform(OperationNormalizer.transform(baseModel))
val codegenContext = testCodegenContext(model)
val symbolProvider = codegenContext.symbolProvider
val parserGenerator = XmlBindingTraitSerializerGenerator(
codegenContext,
HttpTraitHttpBindingResolver(model, ProtocolContentTypes.consistent("application/xml")),
)
val operationSerializer = parserGenerator.payloadSerializer(model.lookup("test#OpInput\$payload"))
val project = TestWorkspace.testProject(testSymbolProvider(model))
project.lib {
unitTest(
"serialize_xml",
"""
use test_model::Top;
let inp = crate::test_input::OpInput::builder().payload(
Top::builder()
.field("hello!")
.extra(45)
.recursive(Top::builder().extra(55).build())
.build()
).build().unwrap();
let serialized = ${format(operationSerializer)}(&inp.payload.unwrap()).unwrap();
let output = std::str::from_utf8(&serialized).unwrap();
assert_eq!(output, "<Top extra=\"45\"><field>hello!</field><recursive extra=\"55\"></recursive></Top>");
""",
)
unitTest(
"unknown_variants",
"""
use test_model::{Top, Choice};
let input = crate::test_input::OpInput::builder().payload(
Top::builder()
.choice(Choice::Unknown)
.build()
).build().unwrap();
${format(operationSerializer)}(&input.payload.unwrap()).expect_err("cannot serialize unknown variant");
""",
)
}
model.lookup<StructureShape>("test#Top").also { top ->
project.moduleFor(top) {
top.renderWithModelBuilder(model, symbolProvider, this)
UnionGenerator(model, symbolProvider, this, model.lookup("test#Choice")).render()
val enum = model.lookup<StringShape>("test#FooEnum")
EnumGenerator(model, symbolProvider, enum, TestEnumType).render(this)
}
}
model.lookup<OperationShape>("test#Op").inputShape(model).also { input ->
project.moduleFor(input) {
input.renderWithModelBuilder(model, symbolProvider, this)
}
}
project.compileAndTest()
}
}