k8s.io/apiserver@v0.31.1/pkg/cel/mutation/typeprovider_test.go (about) 1 /* 2 Copyright 2024 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package mutation 18 19 import ( 20 "reflect" 21 "testing" 22 ) 23 24 func TestTypeProvider(t *testing.T) { 25 for _, tc := range []struct { 26 name string 27 expression string 28 expectedValue any 29 }{ 30 { 31 name: "not an object", 32 expression: `2 * 31 * 1847`, 33 expectedValue: int64(114514), // type resolver should not interfere. 34 }, 35 { 36 name: "empty", 37 expression: "Object{}", 38 expectedValue: map[string]any{}, 39 }, 40 { 41 name: "Object.spec", 42 expression: "Object{spec: Object.spec{replicas: 3}}", 43 expectedValue: map[string]any{"spec": map[string]any{"replicas": int64(3)}}, 44 }, 45 } { 46 t.Run(tc.name, func(t *testing.T) { 47 _, option := NewTypeProviderAndEnvOption(&mockTypeResolver{}) 48 env := mustCreateEnv(t, option) 49 ast, issues := env.Compile(tc.expression) 50 if issues != nil { 51 t.Fatalf("unexpected issues during compilation: %v", issues) 52 } 53 program, err := env.Program(ast) 54 if err != nil { 55 t.Fatalf("unexpected error while creating program: %v", err) 56 } 57 r, _, err := program.Eval(map[string]any{}) 58 if err != nil { 59 t.Fatalf("unexpected error during evaluation: %v", err) 60 } 61 if v := r.Value(); !reflect.DeepEqual(tc.expectedValue, v) { 62 t.Errorf("expected %v but got %v", tc.expectedValue, v) 63 } 64 }) 65 } 66 }