| 582 | } |
| 583 | |
| 584 | func TestMathVersions(t *testing.T) { |
| 585 | versionCases := []struct { |
| 586 | version uint32 |
| 587 | supportedFunctions map[string]string |
| 588 | }{ |
| 589 | { |
| 590 | version: 0, |
| 591 | supportedFunctions: map[string]string{ |
| 592 | "greatest": `math.greatest(1, 2) == 2`, |
| 593 | "least": `math.least(2.1, -1.0) == -1.0`, |
| 594 | }, |
| 595 | }, |
| 596 | { |
| 597 | version: 1, |
| 598 | supportedFunctions: map[string]string{ |
| 599 | "ceil": `math.ceil(1.5) == 2.0`, |
| 600 | "floor": `math.floor(1.2) == 1.0`, |
| 601 | "round": `math.round(1.5) == 2.0`, |
| 602 | "trunc": `math.trunc(1.222) == 1.0`, |
| 603 | "isInf": `!math.isInf(0.0)`, |
| 604 | "isNaN": `math.isNaN(0.0/0.0)`, |
| 605 | "isFinite": `math.isFinite(0.0)`, |
| 606 | "abs": `math.abs(1.2) == 1.2`, |
| 607 | "sign": `math.sign(-1) == -1`, |
| 608 | "bitAnd": `math.bitAnd(1, 2) == 0`, |
| 609 | "bitOr": `math.bitOr(1, 2) == 3`, |
| 610 | "bitXor": `math.bitXor(1, 3) == 2`, |
| 611 | "bitNot": `math.bitNot(-1) == 0`, |
| 612 | "bitShiftLeft": `math.bitShiftLeft(4, 2) == 16`, |
| 613 | "bitShiftRight": `math.bitShiftRight(4, 2) == 1`, |
| 614 | }, |
| 615 | }, |
| 616 | { |
| 617 | version: 2, |
| 618 | supportedFunctions: map[string]string{ |
| 619 | "sqrt": `math.sqrt(25) == 5.0`, |
| 620 | }, |
| 621 | }, |
| 622 | } |
| 623 | for _, lib := range versionCases { |
| 624 | env, err := cel.NewEnv(Math(MathVersion(lib.version))) |
| 625 | if err != nil { |
| 626 | t.Fatalf("cel.NewEnv(Math(MathVersion(%d))) failed: %v", lib.version, err) |
| 627 | } |
| 628 | t.Run(fmt.Sprintf("version=%d", lib.version), func(t *testing.T) { |
| 629 | for _, tc := range versionCases { |
| 630 | for name, expr := range tc.supportedFunctions { |
| 631 | supported := lib.version >= tc.version |
| 632 | t.Run(fmt.Sprintf("%s-supported=%t", name, supported), func(t *testing.T) { |
| 633 | ast, iss := env.Compile(expr) |
| 634 | if supported { |
| 635 | if iss.Err() != nil { |
| 636 | t.Errorf("unexpected error: %v", iss.Err()) |
| 637 | } |
| 638 | } else { |
| 639 | if iss.Err() == nil || !strings.Contains(iss.Err().Error(), "undeclared reference") { |
| 640 | t.Errorf("got error %v, wanted error %s for expr: %s, version: %d", iss.Err(), "undeclared reference", expr, tc.version) |
| 641 | } |