Examples with EvalRequest com.google.api.expr.v1alpha1.EvalRequest used on opensource projects

Example 1 with EvalRequest

use of com.google.api.expr.v1alpha1.EvalRequest in project cel-java by projectnessie.

the class ConformanceServerTest method fullPipeline.

/**
 * fullPipeline parses, checks, and evaluates the CEL expression in source and returns the result
 * from the Eval call.
 */
FullPipelineResult fullPipeline(String source) {
    // Parse
    ParseRequest preq = ParseRequest.newBuilder().setCelSource(source).build();
    ParseResponse pres = stub.parse(preq);
    assertThat(pres.isInitialized()).isTrue();
    ParsedExpr parsedExpr = pres.getParsedExpr();
    assertThat(parsedExpr.isInitialized()).isTrue();
    assertThat(parsedExpr.getExpr().isInitialized()).isTrue();
    // Check
    CheckRequest creq = CheckRequest.newBuilder().setParsedExpr(parsedExpr).build();
    CheckResponse cres = stub.check(creq);
    assertThat(cres.isInitialized()).isTrue();
    CheckedExpr checkedExpr = cres.getCheckedExpr();
    assertThat(checkedExpr.isInitialized()).isTrue();
    // Eval
    EvalRequest ereq = EvalRequest.newBuilder().setCheckedExpr(checkedExpr).build();
    EvalResponse eres = stub.eval(ereq);
    assertThat(eres.isInitialized()).isTrue();
    assertThat(eres.getResult().isInitialized()).isTrue();
    return new FullPipelineResult(pres, cres, eres);
}

Example 2 with EvalRequest

use of com.google.api.expr.v1alpha1.EvalRequest in project cel-java by projectnessie.

the class ConformanceServiceImpl method eval.

@Override
public void eval(EvalRequest request, io.grpc.stub.StreamObserver<EvalResponse> responseObserver) {
    try {
        Env env = newEnv(container(request.getContainer()), types(com.google.api.expr.test.v1.proto2.TestAllTypesProto.TestAllTypes.getDefaultInstance(), com.google.api.expr.test.v1.proto3.TestAllTypesProto.TestAllTypes.getDefaultInstance()));
        Program prg;
        Ast ast;
        switch(request.getExprKindCase()) {
            case PARSED_EXPR:
                ast = parsedExprToAst(request.getParsedExpr());
                break;
            case CHECKED_EXPR:
                ast = checkedExprToAst(request.getCheckedExpr());
                break;
            default:
                throw new IllegalArgumentException("No expression.");
        }
        prg = env.program(ast);
        Map<String, Object> args = new HashMap<>();
        request.getBindingsMap().forEach((name, exprValue) -> {
            Val refVal = exprValueToRefValue(env.getTypeAdapter(), exprValue);
            args.put(name, refVal);
        });
        // NOTE: the EvalState is currently discarded
        EvalResult res = prg.eval(args);
        ExprValue resultExprVal;
        if (!isError(res.getVal())) {
            resultExprVal = refValueToExprValue(res.getVal());
        } else {
            Err err = (Err) res.getVal();
            if (verboseEvalErrors) {
                System.err.printf("%n" + "Eval error (not necessarily a bug!!!):%n" + "  error: %s%n" + "%s", err, err.hasCause() ? (stacktrace(err.toRuntimeException()) + "\n") : "");
            }
            resultExprVal = ExprValue.newBuilder().setError(ErrorSet.newBuilder().addErrors(Status.newBuilder().setMessage(err.toString()))).build();
        }
        EvalResponse.Builder resp = EvalResponse.newBuilder().setResult(resultExprVal);
        responseObserver.onNext(resp.build());
        responseObserver.onCompleted();
    } catch (Exception e) {
        responseObserver.onError(io.grpc.Status.fromCode(io.grpc.Status.Code.UNKNOWN).withDescription(stacktrace(e)).asException());
    }
}

Example 3 with EvalRequest

use of com.google.api.expr.v1alpha1.EvalRequest in project cel-java by projectnessie.

the class ConformanceServerTest method FullUp.

/**
 * TestFullUp tests Parse, Check, and Eval back-to-back.
 */
@Test
void FullUp() {
    ParseRequest preq = ParseRequest.newBuilder().setCelSource("x + y").build();
    ParseResponse pres = stub.parse(preq);
    assertThat(pres.isInitialized()).isTrue();
    ParsedExpr parsedExpr = pres.getParsedExpr();
    assertThat(parsedExpr.isInitialized()).isTrue();
    CheckRequest creq = CheckRequest.newBuilder().setParsedExpr(parsedExpr).addTypeEnv(Decls.newVar("x", Decls.Int)).addTypeEnv(Decls.newVar("y", Decls.Int)).build();
    CheckResponse cres = stub.check(creq);
    assertThat(cres.isInitialized()).isTrue();
    CheckedExpr checkedExpr = cres.getCheckedExpr();
    assertThat(checkedExpr.isInitialized()).isTrue();
    Type tp = checkedExpr.getTypeMapMap().get(1L);
    assertThat(tp).isNotNull();
    assertThat(tp.getTypeKindCase()).isSameAs(TypeKindCase.PRIMITIVE);
    assertThat(tp.getPrimitive()).isSameAs(PrimitiveType.INT64);
    EvalRequest ereq = EvalRequest.newBuilder().setCheckedExpr(checkedExpr).putBindings("x", exprValueInt64(1)).putBindings("y", exprValueInt64(2)).build();
    EvalResponse eres = stub.eval(ereq);
    assertThat(eres.isInitialized()).isTrue();
    assertThat(eres.getResult().isInitialized()).isTrue();
    assertThat(eres.getResult().getKindCase()).isSameAs(KindCase.VALUE);
    assertThat(eres.getResult().getValue().getKindCase()).isSameAs(Value.KindCase.INT64_VALUE);
    assertThat(eres.getResult().getValue().getInt64Value()).isEqualTo(3L);
}

Example 4 with EvalRequest

use of com.google.api.expr.v1alpha1.EvalRequest in project cel-java by projectnessie.

the class ConformanceServerTest method Eval.

/**
 * TestEval tests the Eval method.
 */
@Test
void Eval() {
    EvalRequest req = EvalRequest.newBuilder().setParsedExpr(parsed).build();
    EvalResponse res = stub.eval(req);
    assertThat(res.isInitialized()).isTrue();
    assertThat(res.getResult().isInitialized()).isTrue();
    assertThat(res.getResult().getKindCase()).isSameAs(KindCase.VALUE);
    assertThat(res.getResult().getValue().getKindCase()).isSameAs(Value.KindCase.INT64_VALUE);
    assertThat(res.getResult().getValue().getInt64Value()).isEqualTo(2L);
}