1/* 2Copyright 2019 The Kubernetes Authors. 3 4Licensed under the Apache License, Version 2.0 (the "License"); 5you may not use this file except in compliance with the License. 6You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10Unless required by applicable law or agreed to in writing, software 11distributed under the License is distributed on an "AS IS" BASIS, 12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13See the License for the specific language governing permissions and 14limitations under the License. 15*/ 16 17package defaulting 18 19import ( 20 "bytes" 21 "reflect" 22 "testing" 23 24 structuralschema "k8s.io/apiextensions-apiserver/pkg/apiserver/schema" 25 "k8s.io/apimachinery/pkg/util/json" 26) 27 28func TestDefault(t *testing.T) { 29 tests := []struct { 30 name string 31 json string 32 schema *structuralschema.Structural 33 expected string 34 }{ 35 {"empty", "null", nil, "null"}, 36 {"scalar", "4", &structuralschema.Structural{ 37 Generic: structuralschema.Generic{ 38 Default: structuralschema.JSON{"foo"}, 39 }, 40 }, "4"}, 41 {"scalar array", "[1,2]", &structuralschema.Structural{ 42 Items: &structuralschema.Structural{ 43 Generic: structuralschema.Generic{ 44 Default: structuralschema.JSON{"foo"}, 45 }, 46 }, 47 }, "[1,2]"}, 48 {"object array", `[{"a":1},{"b":1},{"c":1}]`, &structuralschema.Structural{ 49 Items: &structuralschema.Structural{ 50 Properties: map[string]structuralschema.Structural{ 51 "a": { 52 Generic: structuralschema.Generic{ 53 Default: structuralschema.JSON{"A"}, 54 }, 55 }, 56 "b": { 57 Generic: structuralschema.Generic{ 58 Default: structuralschema.JSON{"B"}, 59 }, 60 }, 61 "c": { 62 Generic: structuralschema.Generic{ 63 Default: structuralschema.JSON{"C"}, 64 }, 65 }, 66 }, 67 }, 68 }, `[{"a":1,"b":"B","c":"C"},{"a":"A","b":1,"c":"C"},{"a":"A","b":"B","c":1}]`}, 69 {"object array object", `{"array":[{"a":1},{"b":2}],"object":{"a":1},"additionalProperties":{"x":{"a":1},"y":{"b":2}}}`, &structuralschema.Structural{ 70 Properties: map[string]structuralschema.Structural{ 71 "array": { 72 Items: &structuralschema.Structural{ 73 Properties: map[string]structuralschema.Structural{ 74 "a": { 75 Generic: structuralschema.Generic{ 76 Default: structuralschema.JSON{"A"}, 77 }, 78 }, 79 "b": { 80 Generic: structuralschema.Generic{ 81 Default: structuralschema.JSON{"B"}, 82 }, 83 }, 84 }, 85 }, 86 }, 87 "object": { 88 Properties: map[string]structuralschema.Structural{ 89 "a": { 90 Generic: structuralschema.Generic{ 91 Default: structuralschema.JSON{"N"}, 92 }, 93 }, 94 "b": { 95 Generic: structuralschema.Generic{ 96 Default: structuralschema.JSON{"O"}, 97 }, 98 }, 99 }, 100 }, 101 "additionalProperties": { 102 Generic: structuralschema.Generic{ 103 AdditionalProperties: &structuralschema.StructuralOrBool{ 104 Structural: &structuralschema.Structural{ 105 Properties: map[string]structuralschema.Structural{ 106 "a": { 107 Generic: structuralschema.Generic{ 108 Default: structuralschema.JSON{"alpha"}, 109 }, 110 }, 111 "b": { 112 Generic: structuralschema.Generic{ 113 Default: structuralschema.JSON{"beta"}, 114 }, 115 }, 116 }, 117 }, 118 }, 119 }, 120 }, 121 "foo": { 122 Generic: structuralschema.Generic{ 123 Default: structuralschema.JSON{"bar"}, 124 }, 125 }, 126 }, 127 }, `{"array":[{"a":1,"b":"B"},{"a":"A","b":2}],"object":{"a":1,"b":"O"},"additionalProperties":{"x":{"a":1,"b":"beta"},"y":{"a":"alpha","b":2}},"foo":"bar"}`}, 128 {"empty and null", `[{},{"a":1},{"a":0},{"a":0.0},{"a":""},{"a":null},{"a":[]},{"a":{}}]`, &structuralschema.Structural{ 129 Items: &structuralschema.Structural{ 130 Properties: map[string]structuralschema.Structural{ 131 "a": { 132 Generic: structuralschema.Generic{ 133 Default: structuralschema.JSON{"A"}, 134 }, 135 }, 136 }, 137 }, 138 }, `[{"a":"A"},{"a":1},{"a":0},{"a":0.0},{"a":""},{"a":"A"},{"a":[]},{"a":{}}]`}, 139 {"null in nullable list", `[null]`, &structuralschema.Structural{ 140 Generic: structuralschema.Generic{ 141 Nullable: true, 142 }, 143 Items: &structuralschema.Structural{ 144 Properties: map[string]structuralschema.Structural{ 145 "a": { 146 Generic: structuralschema.Generic{ 147 Default: structuralschema.JSON{"A"}, 148 }, 149 }, 150 }, 151 }, 152 }, `[null]`}, 153 {"null in non-nullable list", `[null]`, &structuralschema.Structural{ 154 Generic: structuralschema.Generic{ 155 Nullable: false, 156 }, 157 Items: &structuralschema.Structural{ 158 Generic: structuralschema.Generic{ 159 Default: structuralschema.JSON{"A"}, 160 }, 161 }, 162 }, `["A"]`}, 163 {"null in nullable object", `{"a": null}`, &structuralschema.Structural{ 164 Generic: structuralschema.Generic{}, 165 Properties: map[string]structuralschema.Structural{ 166 "a": { 167 Generic: structuralschema.Generic{ 168 Nullable: true, 169 Default: structuralschema.JSON{"A"}, 170 }, 171 }, 172 }, 173 }, `{"a": null}`}, 174 {"null in non-nullable object", `{"a": null}`, &structuralschema.Structural{ 175 Properties: map[string]structuralschema.Structural{ 176 "a": { 177 Generic: structuralschema.Generic{ 178 Nullable: false, 179 Default: structuralschema.JSON{"A"}, 180 }, 181 }, 182 }, 183 }, `{"a": "A"}`}, 184 {"null in nullable object with additionalProperties", `{"a": null}`, &structuralschema.Structural{ 185 Generic: structuralschema.Generic{ 186 AdditionalProperties: &structuralschema.StructuralOrBool{ 187 Structural: &structuralschema.Structural{ 188 Generic: structuralschema.Generic{ 189 Nullable: true, 190 Default: structuralschema.JSON{"A"}, 191 }, 192 }, 193 }, 194 }, 195 }, `{"a": null}`}, 196 {"null in non-nullable object with additionalProperties", `{"a": null}`, &structuralschema.Structural{ 197 Generic: structuralschema.Generic{ 198 AdditionalProperties: &structuralschema.StructuralOrBool{ 199 Structural: &structuralschema.Structural{ 200 Generic: structuralschema.Generic{ 201 Nullable: false, 202 Default: structuralschema.JSON{"A"}, 203 }, 204 }, 205 }, 206 }, 207 }, `{"a": "A"}`}, 208 {"null unknown field", `{"a": null}`, &structuralschema.Structural{ 209 Generic: structuralschema.Generic{ 210 AdditionalProperties: &structuralschema.StructuralOrBool{ 211 Bool: true, 212 }, 213 }, 214 }, `{"a": null}`}, 215 } 216 for _, tt := range tests { 217 t.Run(tt.name, func(t *testing.T) { 218 var in interface{} 219 if err := json.Unmarshal([]byte(tt.json), &in); err != nil { 220 t.Fatal(err) 221 } 222 223 var expected interface{} 224 if err := json.Unmarshal([]byte(tt.expected), &expected); err != nil { 225 t.Fatal(err) 226 } 227 228 Default(in, tt.schema) 229 if !reflect.DeepEqual(in, expected) { 230 var buf bytes.Buffer 231 enc := json.NewEncoder(&buf) 232 enc.SetIndent("", " ") 233 err := enc.Encode(in) 234 if err != nil { 235 t.Fatalf("unexpected result mashalling error: %v", err) 236 } 237 t.Errorf("expected: %s\ngot: %s", tt.expected, buf.String()) 238 } 239 }) 240 } 241} 242