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io.vrap.codegen.languages.javalang.client.builder.test.JavaRequestTestRenderer.kt Maven / Gradle / Ivy
package io.vrap.codegen.languages.javalang.client.builder.test
import io.vrap.codegen.languages.extensions.getMethodName
import io.vrap.codegen.languages.extensions.toResourceName
import io.vrap.codegen.languages.java.base.JavaSubTemplates
import io.vrap.codegen.languages.java.base.extensions.*
import io.vrap.rmf.codegen.io.TemplateFile
import io.vrap.rmf.codegen.rendering.ResourceRenderer
import io.vrap.rmf.codegen.rendering.utils.*
import io.vrap.rmf.codegen.types.VrapEnumType
import io.vrap.rmf.codegen.types.VrapObjectType
import io.vrap.rmf.codegen.types.VrapTypeProvider
import io.vrap.rmf.raml.model.resources.Method
import io.vrap.rmf.raml.model.resources.Resource
import io.vrap.rmf.raml.model.types.*
import kotlin.random.Random
class JavaRequestTestRenderer constructor(override val vrapTypeProvider: VrapTypeProvider): ResourceRenderer, JavaEObjectTypeExtensions, JavaObjectTypeExtensions {
override fun render(type: Resource): TemplateFile {
val vrapType = vrapTypeProvider.doSwitch(type).toJavaVType() as VrapObjectType
val content = """
|package ${vrapType.`package`}.resource;
|
|import io.vrap.rmf.base.client.*;
|import io.vrap.rmf.base.client.error.ApiServerException;
|import io.vrap.rmf.base.client.error.ApiClientException;
|import io.vrap.rmf.base.client.VrapHttpClient;
|import ${vrapType.`package`}.ApiRoot;
|import com.tngtech.junit.dataprovider.DataProvider;
|import com.tngtech.junit.dataprovider.DataProviderExtension;
|import com.tngtech.junit.dataprovider.UseDataProvider;
|import com.tngtech.junit.dataprovider.UseDataProviderExtension;
|import org.junit.jupiter.api.Test;
|import org.junit.jupiter.api.TestTemplate;
|import org.junit.jupiter.api.extension.ExtendWith;
|import org.mockito.Mockito;
|import io.vrap.rmf.base.client.utils.Generated;
|import io.vrap.rmf.base.client.ApiHttpClient;
|import io.vrap.rmf.base.client.ApiHttpRequest;
|import org.assertj.core.api.Assertions;
|
|import java.nio.charset.StandardCharsets;
|import java.util.concurrent.CompletableFuture;
|
|${JavaSubTemplates.generatedAnnotation}
|@ExtendWith(UseDataProviderExtension.class)
|@ExtendWith(DataProviderExtension.class)
|public class ${type.toResourceName()}Test {
| private final VrapHttpClient httpClientMock = Mockito.mock(VrapHttpClient.class);
| private final String projectKey = "test_projectKey";
| private final static ApiRoot apiRoot = ApiRoot.of();
| private final ApiHttpClient client = ClientBuilder.of(httpClientMock).defaultClient("").build();
|
| ${if (type.methods.size > 0) """@TestTemplate
| @UseDataProvider("requestWithMethodParameters")
| public void withMethods(ApiHttpRequest request, String httpMethod, String uri) {
| Assertions.assertThat(httpMethod).isEqualTo(request.getMethod().name().toLowerCase());
| Assertions.assertThat(uri).isEqualTo(request.getUri().toString());
| }""".trimMargin() else ""}
|
| ${if (type.methods.size > 0) """@TestTemplate
| @UseDataProvider("executeMethodParameters")
| public void executeServerException(HttpRequestCommand httpRequest) throws Exception{
| Mockito.when(httpClientMock.execute(Mockito.any())).thenReturn(CompletableFuture.completedFuture(
| new ApiHttpResponse<>(500, null, "".getBytes(StandardCharsets.UTF_8), "Oops!")));
|
| Assertions.assertThatThrownBy(
| () -> client.execute(httpRequest).toCompletableFuture().get()).hasCauseInstanceOf(ApiServerException.class);
| }""".trimMargin() else ""}
|
| ${if (type.methods.size > 0) """@TestTemplate
| @UseDataProvider("executeMethodParameters")
| public void executeClientException(HttpRequestCommand httpRequest) throws Exception{
| Mockito.when(httpClientMock.execute(Mockito.any())).thenReturn(CompletableFuture.completedFuture(
| new ApiHttpResponse<>(400, null, "".getBytes(StandardCharsets.UTF_8), "Oops!")));
|
| Assertions.assertThatThrownBy(
| () -> client.execute(httpRequest).toCompletableFuture().get()).hasCauseInstanceOf(ApiClientException.class);
| }""".trimMargin() else ""}
|
| @DataProvider
| public static Object[][] requestWithMethodParameters() {
| return new Object [][] {
| <<${type.methods.flatMap { method -> method.queryParameters.map { parameterTestProvider(type, method, it) }.plus(parameterTestProvider(type, method)) }.joinToString(",\n")}>>
| };
| }
|
| @DataProvider
| public static Object[][] executeMethodParameters() {
| return new Object [][] {
| <<${type.methods.flatMap { method -> method.queryParameters.map { requestTestProvider(type, method, it) }.plus(requestTestProvider(type, method)) }.joinToString(",\n")}>>
| };
| }
|}
""".trimMargin().keepAngleIndent()
val relativePath = "${vrapType.`package`}.resource.${type.toResourceName()}Test".replace(".", "/") + ".java"
return TemplateFile(
relativePath = relativePath,
content = content
)
}
private fun parameterTestProvider(resource: Resource, method: Method): String {
val builderChain = resource.resourcePathList().map { r -> "${r.getMethodName()}(${if (r.relativeUri.paramValues().isNotEmpty()) "\"${r.relativeUri.paramValues().joinToString("\", \"") { p -> "test_$p"} }\"" else ""})" }
.plus("${method.method}(${bodyContent(resource, method)})")
.plus("createHttpRequest()")
return """
|new Object[] {
| apiRoot
| <<${builderChain.joinToString("\n.", ".")}>>,
| "${method.method}",
| "${resource.fullUri.expand(resource.fullUriParameters.map { it.name to "test_${it.name}" }.toMap()).trimStart('/')}",
|}
""".trimMargin().keepAngleIndent()
}
private fun parameterTestProvider(resource: Resource, method: Method, parameter: QueryParameter): String {
val anno = parameter.getAnnotation("placeholderParam", true)
var paramName: String = parameter.name
var methodValue = parameter.template()
if (anno != null) {
val o = anno.value as ObjectInstance
val placeholder = o.value.stream().filter { propertyValue -> propertyValue.name == "placeholder" }.findFirst().orElse(null).value as StringInstance
val placeholderTemplate = o.value.stream().filter { propertyValue -> propertyValue.name == "template" }.findFirst().orElse(null).value as StringInstance
paramName = placeholderTemplate.value.replace("<${placeholder.value}>", placeholder.value)
methodValue = "\"${placeholder.value}\", \"${paramName}\""
}
val builderChain = resource.resourcePathList().map { r -> "${r.getMethodName()}(${if (r.relativeUri.paramValues().isNotEmpty()) "\"${r.relativeUri.paramValues().joinToString("\", \"") { p -> "test_$p"} }\"" else ""})" }
.plus("${method.method}(${bodyContent(resource, method)})")
.plus("${parameter.methodName()}(${methodValue})")
.plus("createHttpRequest()")
return """
|new Object[] {
| apiRoot
| <<${builderChain.joinToString("\n.", ".")}>>,
| "${method.method}",
| "${resource.fullUri.expand(resource.fullUriParameters.map { it.name to "test_${it.name}" }.toMap()).trimStart('/')}?${paramName}=${queryParamValueString(paramName, parameter.type, Random(paramName.hashCode()))}",
|}
""".trimMargin().keepAngleIndent()
}
private fun bodyContent(resource: Resource, method: Method): String {
val bodyDef = method.firstBody()
return if (bodyDef != null) {
if (bodyDef.type.isFile()) {
"FileTestUtils.testFileFor(${resource.toResourceName()}Test.class)"
}
else if (bodyDef.type is ObjectType) {
if ((bodyDef.type as ObjectType).discriminator != null) {
val bodyType = if (bodyDef.type.isInlineType) { bodyDef.type.type } else bodyDef.type
"${(bodyType.subTypes.first().toVrapType() as VrapObjectType).fullClassName()}.of()"
} else {
"${(bodyDef.type.toVrapType() as VrapObjectType).fullClassName()}.of()"
}
} else {
"null"
}
} else ""
}
private fun requestTestProvider(resource: Resource, method: Method): String {
val builderChain = resource.resourcePathList().map { r -> "${r.getMethodName()}(${if (r.relativeUri.paramValues().isNotEmpty()) "\"${r.relativeUri.paramValues().joinToString("\", \"") { p -> "test_$p"} }\"" else ""})" }
.plus("${method.method}(${bodyContent(resource, method)})")
return """
|new Object[] {
| apiRoot
| <<${builderChain.joinToString("\n.", ".")}>>,
|}
""".trimMargin().keepIndentation()
}
private fun requestTestProvider(resource: Resource, method: Method, parameter: QueryParameter): String {
val anno = parameter.getAnnotation("placeholderParam", true)
val paramName: String
var methodValue = parameter.template()
if (anno != null) {
val o = anno.value as ObjectInstance
val placeholder = o.value.stream().filter { propertyValue -> propertyValue.name == "placeholder" }.findFirst().orElse(null).value as StringInstance
val placeholderTemplate = o.value.stream().filter { propertyValue -> propertyValue.name == "template" }.findFirst().orElse(null).value as StringInstance
paramName = placeholderTemplate.value.replace("<${placeholder.value}>", placeholder.value)
methodValue = "\"${placeholder.value}\", \"${paramName}\""
}
val builderChain = resource.resourcePathList().map { r -> "${r.getMethodName()}(${if (r.relativeUri.paramValues().isNotEmpty()) "\"${r.relativeUri.paramValues().joinToString("\", \"") { p -> "test_$p"} }\"" else ""})" }
.plus("${method.method}(${bodyContent(resource, method)})")
.plus("${parameter.methodName()}(${methodValue})")
return """
|new Object[] {
| apiRoot
| <<${builderChain.joinToString("\n.", ".")}>>,
|}
""".trimMargin().keepAngleIndent()
}
private fun QueryParameter.template(): Any {
val anno = this.getAnnotation("placeholderParam", true)
if (anno != null) {
val o = anno.value as ObjectInstance
val template = o.value.stream().filter { propertyValue -> propertyValue.name == "template" }.findFirst().orElse(null).value as StringInstance
val placeholder = o.value.stream().filter { propertyValue -> propertyValue.name == "placeholder" }.findFirst().orElse(null).value as StringInstance
return "sprintf('" + template.value.replace("<" + placeholder.value + ">", "%s") + "', $" + placeholder.value + ")"
}
val r = Random(this.name.hashCode())
return queryParamValue(this.name, this.type, r)
}
private fun queryParamValueString(name: String, type: AnyType, r: Random) : Any {
return when (type) {
is ArrayType -> queryParamValueString(name, type.items, r)
is BooleanType -> true
is IntegerType -> r.nextInt(1, 10)
is NumberType -> when (type.format) {
NumberFormat.DOUBLE -> r.nextDouble()
NumberFormat.FLOAT -> r.nextFloat()
else -> r.nextInt(1, 10)
}
else -> name
}
}
private fun queryParamValue(name: String, type: AnyType, r: Random) : Any {
val vrapType = type.toVrapType();
return when (type) {
is ArrayType -> queryParamValue(name, type.items, r)
is BooleanType -> true
is IntegerType -> r.nextInt(1, 10)
is NumberType -> when (type.format) {
NumberFormat.DOUBLE -> r.nextDouble()
NumberFormat.FLOAT -> r.nextFloat()
else -> r.nextInt(1, 10)
}
is StringType -> when (vrapType) {
is VrapEnumType -> "${vrapType.fullClassName()}.findEnum(\"${name}\")"
else -> "\"${name}\""
}
else -> "\"${name}\""
}
}
}
