Examples with Expr com.google.api.generator.engine.ast.Expr used on opensource projects

Example 26 with Expr

use of com.google.api.generator.engine.ast.Expr in project gapic-generator-java by googleapis.

the class MockServiceImplClassComposer method createAddResponseMethod.

private static MethodDefinition createAddResponseMethod() {
    VariableExpr responseArgExpr = VariableExpr.withVariable(Variable.builder().setName("response").setType(FIXED_TYPESTORE.get("AbstractMessage")).build());
    Expr methodInvocationExpr = MethodInvocationExpr.builder().setMethodName("add").setArguments(Arrays.asList(responseArgExpr)).setExprReferenceExpr(responsesVarExpr).build();
    return MethodDefinition.builder().setScope(ScopeNode.PUBLIC).setReturnType(TypeNode.VOID).setName("addResponse").setArguments(Arrays.asList(responseArgExpr.toBuilder().setIsDecl(true).build())).setBody(Arrays.asList(ExprStatement.withExpr(methodInvocationExpr))).build();
}

Example 27 with Expr

use of com.google.api.generator.engine.ast.Expr in project gapic-generator-java by googleapis.

the class MockServiceImplClassComposer method createAddExceptionMethod.

private static MethodDefinition createAddExceptionMethod() {
    VariableExpr exceptionArgExpr = VariableExpr.withVariable(Variable.builder().setName("exception").setType(TypeNode.withReference(ConcreteReference.withClazz(Exception.class))).build());
    Expr methodInvocationExpr = MethodInvocationExpr.builder().setMethodName("add").setArguments(Arrays.asList(exceptionArgExpr)).setExprReferenceExpr(responsesVarExpr).build();
    return MethodDefinition.builder().setScope(ScopeNode.PUBLIC).setReturnType(TypeNode.VOID).setName("addException").setArguments(Arrays.asList(exceptionArgExpr.toBuilder().setIsDecl(true).build())).setBody(Arrays.asList(ExprStatement.withExpr(methodInvocationExpr))).build();
}

Example 28 with Expr

use of com.google.api.generator.engine.ast.Expr in project gapic-generator-java by googleapis.

the class MockServiceImplClassComposer method createRequestResponseAssignStatements.

private static List<Statement> createRequestResponseAssignStatements() {
    Expr assignRequestVarExpr = AssignmentExpr.builder().setVariableExpr(requestsVarExpr).setValueExpr(NewObjectExpr.builder().setType(TypeNode.withReference(ConcreteReference.withClazz(ArrayList.class))).setIsGeneric(true).build()).build();
    Expr assignResponsesVarExpr = AssignmentExpr.builder().setVariableExpr(responsesVarExpr).setValueExpr(NewObjectExpr.builder().setType(TypeNode.withReference(ConcreteReference.withClazz(LinkedList.class))).setIsGeneric(true).build()).build();
    return Arrays.asList(assignRequestVarExpr, assignResponsesVarExpr).stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList());
}

Example 29 with Expr

use of com.google.api.generator.engine.ast.Expr in project gapic-generator-java by googleapis.

the class ServiceClientTestClassComposer method constructRpcTestCheckerLogic.

@Override
protected List<Statement> constructRpcTestCheckerLogic(Method method, Service service, boolean isRequestArg, Map<String, VariableExpr> classMemberVarExprs, VariableExpr requestVarExpr, Message requestMessage, List<VariableExpr> argExprs) {
    List<Expr> methodExprs = new ArrayList<>();
    List<Statement> methodStatements = new ArrayList<>();
    // Construct the request checker logic.
    VariableExpr actualRequestsVarExpr = VariableExpr.withVariable(Variable.builder().setType(TypeNode.withReference(ConcreteReference.builder().setClazz(List.class).setGenerics(Arrays.asList(ConcreteReference.withClazz(AbstractMessage.class))).build())).setName("actualRequests").build());
    methodExprs.add(AssignmentExpr.builder().setVariableExpr(actualRequestsVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(MethodInvocationExpr.builder().setExprReferenceExpr(classMemberVarExprs.get(getMockServiceVarName(service))).setMethodName("getRequests").setReturnType(actualRequestsVarExpr.type()).build()).build());
    methodExprs.add(MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("Assert")).setMethodName("assertEquals").setArguments(ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.INT).setValue("1").build()), MethodInvocationExpr.builder().setExprReferenceExpr(actualRequestsVarExpr).setMethodName("size").build()).build());
    VariableExpr actualRequestVarExpr = VariableExpr.withVariable(Variable.builder().setType(method.inputType()).setName("actualRequest").build());
    Expr getFirstRequestExpr = MethodInvocationExpr.builder().setExprReferenceExpr(actualRequestsVarExpr).setMethodName("get").setArguments(ValueExpr.withValue(PrimitiveValue.builder().setType(TypeNode.INT).setValue("0").build())).setReturnType(FIXED_TYPESTORE.get("AbstractMessage")).build();
    getFirstRequestExpr = CastExpr.builder().setType(method.inputType()).setExpr(getFirstRequestExpr).build();
    methodExprs.add(AssignmentExpr.builder().setVariableExpr(actualRequestVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(getFirstRequestExpr).build());
    methodStatements.addAll(methodExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList()));
    methodExprs.clear();
    methodStatements.add(EMPTY_LINE_STATEMENT);
    // Assert field equality.
    if (isRequestArg) {
        // TODO(miraleung): Replace these with a simple request object equals?
        Preconditions.checkNotNull(requestVarExpr);
        Preconditions.checkNotNull(requestMessage);
        for (Field field : requestMessage.fields()) {
            String fieldGetterMethodNamePatternTemp = "get%s";
            if (field.isRepeated()) {
                fieldGetterMethodNamePatternTemp = field.isMap() ? "get%sMap" : "get%sList";
            }
            final String fieldGetterMethodNamePattern = fieldGetterMethodNamePatternTemp;
            Function<VariableExpr, Expr> checkExprFn = v -> MethodInvocationExpr.builder().setExprReferenceExpr(v).setMethodName(String.format(fieldGetterMethodNamePattern, JavaStyle.toUpperCamelCase(field.name()))).build();
            Expr expectedFieldExpr = checkExprFn.apply(requestVarExpr);
            Expr actualFieldExpr = checkExprFn.apply(actualRequestVarExpr);
            List<Expr> assertEqualsArguments = new ArrayList<>();
            assertEqualsArguments.add(expectedFieldExpr);
            assertEqualsArguments.add(actualFieldExpr);
            if (TypeNode.isFloatingPointType(field.type())) {
                boolean isFloat = field.type().equals(TypeNode.FLOAT);
                assertEqualsArguments.add(ValueExpr.withValue(PrimitiveValue.builder().setType(isFloat ? TypeNode.FLOAT : TypeNode.DOUBLE).setValue(String.format("0.0001%s", isFloat ? "f" : "")).build()));
            }
            methodExprs.add(MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("Assert")).setMethodName("assertEquals").setArguments(assertEqualsArguments).build());
        }
    } else {
        for (VariableExpr argVarExpr : argExprs) {
            Variable variable = argVarExpr.variable();
            String fieldGetterMethodNamePattern = "get%s";
            if (LIST_TYPE.isSupertypeOrEquals(variable.type())) {
                fieldGetterMethodNamePattern = "get%sList";
            } else if (MAP_TYPE.isSupertypeOrEquals(variable.type())) {
                fieldGetterMethodNamePattern = "get%sMap";
            }
            Expr actualFieldExpr = MethodInvocationExpr.builder().setExprReferenceExpr(actualRequestVarExpr).setMethodName(String.format(fieldGetterMethodNamePattern, JavaStyle.toUpperCamelCase(variable.identifier().name()))).build();
            Expr expectedFieldExpr = argVarExpr;
            if (RESOURCE_NAME_TYPE.isSupertypeOrEquals(argVarExpr.type())) {
                expectedFieldExpr = MethodInvocationExpr.builder().setExprReferenceExpr(argVarExpr).setMethodName("toString").build();
            }
            methodExprs.add(MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("Assert")).setMethodName("assertEquals").setArguments(expectedFieldExpr, actualFieldExpr).build());
        }
    }
    // Assert header equality.
    Expr headerKeyExpr = MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("ApiClientHeaderProvider")).setMethodName("getDefaultApiClientHeaderKey").build();
    Expr headerPatternExpr = MethodInvocationExpr.builder().setStaticReferenceType(FIXED_GRPC_TYPESTORE.get("GaxGrpcProperties")).setMethodName("getDefaultApiClientHeaderPattern").build();
    Expr headerSentExpr = MethodInvocationExpr.builder().setExprReferenceExpr(classMemberVarExprs.get("channelProvider")).setMethodName("isHeaderSent").setArguments(headerKeyExpr, headerPatternExpr).build();
    methodExprs.add(MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("Assert")).setMethodName("assertTrue").setArguments(headerSentExpr).build());
    methodStatements.addAll(methodExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList()));
    methodExprs.clear();
    return methodStatements;
}

Example 30 with Expr

use of com.google.api.generator.engine.ast.Expr in project gapic-generator-java by googleapis.

the class ServiceClientTestClassComposer method createStreamingRpcExceptionTestStatements.

@Override
protected List<Statement> createStreamingRpcExceptionTestStatements(Method method, Map<String, VariableExpr> classMemberVarExprs, Map<String, ResourceName> resourceNames, Map<String, Message> messageTypes) {
    // Build the request variable and assign it.
    VariableExpr requestVarExpr = VariableExpr.withVariable(Variable.builder().setType(method.inputType()).setName("request").build());
    Message requestMessage = messageTypes.get(method.inputType().reference().fullName());
    Preconditions.checkNotNull(requestMessage);
    Expr valExpr = DefaultValueComposer.createSimpleMessageBuilderValue(requestMessage, resourceNames, messageTypes);
    List<Statement> statements = new ArrayList<>();
    statements.add(ExprStatement.withExpr(AssignmentExpr.builder().setVariableExpr(requestVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(valExpr).build()));
    statements.add(EMPTY_LINE_STATEMENT);
    // Build the responseObserver variable.
    VariableExpr responseObserverVarExpr = VariableExpr.withVariable(Variable.builder().setType(TypeNode.withReference(FIXED_GRPC_TYPESTORE.get("MockStreamObserver").reference().copyAndSetGenerics(Arrays.asList(method.outputType().reference())))).setName("responseObserver").build());
    statements.add(ExprStatement.withExpr(AssignmentExpr.builder().setVariableExpr(responseObserverVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(NewObjectExpr.builder().setType(FIXED_GRPC_TYPESTORE.get("MockStreamObserver")).setIsGeneric(true).build()).build()));
    statements.add(EMPTY_LINE_STATEMENT);
    // Build the callable variable and assign it.
    VariableExpr callableVarExpr = VariableExpr.withVariable(Variable.builder().setType(getCallableType(method)).setName("callable").build());
    Expr streamingCallExpr = MethodInvocationExpr.builder().setExprReferenceExpr(classMemberVarExprs.get("client")).setMethodName(String.format("%sCallable", JavaStyle.toLowerCamelCase(method.name()))).setReturnType(callableVarExpr.type()).build();
    List<Expr> exprs = new ArrayList<>();
    exprs.add(AssignmentExpr.builder().setVariableExpr(callableVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(streamingCallExpr).build());
    if (method.stream().equals(Method.Stream.SERVER)) {
        exprs.add(MethodInvocationExpr.builder().setExprReferenceExpr(callableVarExpr).setMethodName("serverStreamingCall").setArguments(requestVarExpr, responseObserverVarExpr).build());
    } else {
        // Call the streaming-variant callable method.
        VariableExpr requestObserverVarExpr = VariableExpr.withVariable(Variable.builder().setType(TypeNode.withReference(FIXED_TYPESTORE.get("ApiStreamObserver").reference().copyAndSetGenerics(Arrays.asList(method.inputType().reference())))).setName("requestObserver").build());
        List<Expr> callableMethodArgs = new ArrayList<>();
        if (!method.stream().equals(Method.Stream.BIDI) && !method.stream().equals(Method.Stream.CLIENT)) {
            callableMethodArgs.add(requestVarExpr);
        }
        callableMethodArgs.add(responseObserverVarExpr);
        exprs.add(AssignmentExpr.builder().setVariableExpr(requestObserverVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(MethodInvocationExpr.builder().setExprReferenceExpr(callableVarExpr).setMethodName(getCallableMethodName(method)).setArguments(callableMethodArgs).setReturnType(requestObserverVarExpr.type()).build()).build());
        statements.addAll(exprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList()));
        exprs.clear();
        statements.add(EMPTY_LINE_STATEMENT);
        exprs.add(MethodInvocationExpr.builder().setExprReferenceExpr(requestObserverVarExpr).setMethodName("onNext").setArguments(requestVarExpr).build());
    }
    statements.addAll(exprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList()));
    exprs.clear();
    statements.add(EMPTY_LINE_STATEMENT);
    List<Expr> tryBodyExprs = new ArrayList<>();
    // TODO(v2): This variable is unused in the generated test, it can be deleted.
    VariableExpr actualResponsesVarExpr = VariableExpr.withVariable(Variable.builder().setType(TypeNode.withReference(ConcreteReference.builder().setClazz(List.class).setGenerics(Arrays.asList(method.outputType().reference())).build())).setName("actualResponses").build());
    Expr getFutureResponseExpr = MethodInvocationExpr.builder().setExprReferenceExpr(responseObserverVarExpr).setMethodName("future").build();
    getFutureResponseExpr = MethodInvocationExpr.builder().setExprReferenceExpr(getFutureResponseExpr).setMethodName("get").setReturnType(actualResponsesVarExpr.type()).build();
    tryBodyExprs.add(AssignmentExpr.builder().setVariableExpr(actualResponsesVarExpr.toBuilder().setIsDecl(true).build()).setValueExpr(getFutureResponseExpr).build());
    // Assert a failure if no exception was raised.
    tryBodyExprs.add(MethodInvocationExpr.builder().setStaticReferenceType(FIXED_TYPESTORE.get("Assert")).setMethodName("fail").setArguments(ValueExpr.withValue(StringObjectValue.withValue("No exception thrown"))).build());
    VariableExpr catchExceptionVarExpr = VariableExpr.builder().setVariable(Variable.builder().setType(TypeNode.withExceptionClazz(ExecutionException.class)).setName("e").build()).build();
    TryCatchStatement tryCatchBlock = TryCatchStatement.builder().setTryBody(tryBodyExprs.stream().map(e -> ExprStatement.withExpr(e)).collect(Collectors.toList())).addCatch(catchExceptionVarExpr.toBuilder().setIsDecl(true).build(), createRpcLroExceptionTestCatchBody(catchExceptionVarExpr, true)).build();
    statements.add(tryCatchBlock);
    return statements;
}