Add validation-gen core tests

Co-authored-by: Tim Hockin <[email protected]>
Co-authored-by: Aaron Prindle <[email protected]>
Co-authored-by: Yongrui Lin <[email protected]>

Author: 4 people

staging/src/k8s.io/code-generator/cmd/validation-gen/output_tests/_codegenignore/other/doc.go

@@ -0,0 +1,35 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:validation-gen=*
+
+// This is a test package.  It exists to demonstrate references to types that
+// are not part of the gengo args.  Even though this package purports to have
+// validations, it is outside of the args used when generating output_tests,
+// and so the generated could should NOT descend into these.
+package other
+
+// +k8s:validateFalse="you should not see this outside of this pkg"
+type StringType string
+
+// +k8s:validateFalse="you should not see this outside of this pkg"
+type IntType int
+
+// +k8s:validateFalse="you should not see this outside of this pkg"
+type StructType struct {
+	// +k8s:validateFalse="you should not see this outside of this pkg"
+	StringField string `json:"stringField"`
+}

staging/src/k8s.io/code-generator/cmd/validation-gen/output_tests/all_types_match/trivial/doc.go

@@ -0,0 +1,35 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Note: this selects all types in the package.
+// +k8s:validation-gen=*
+// +k8s:validation-gen-scheme-registry=k8s.io/code-generator/cmd/validation-gen/testscheme.Scheme
+// +k8s:validation-gen-test-fixture=validateFalse
+
+// This is a test package.
+package trivial
+
+import "k8s.io/code-generator/cmd/validation-gen/testscheme"
+
+var localSchemeBuilder = testscheme.New()
+
+type T1 struct{}
+
+type T2 struct{}
+
+type E1 string
+
+type E2 string

staging/src/k8s.io/code-generator/cmd/validation-gen/output_tests/all_types_match/trivial/testdata/validate-false.json

@@ -0,0 +1 @@
+{}

staging/src/k8s.io/code-generator/cmd/validation-gen/output_tests/all_types_match/trivial/zz_generated.validations.go

@@ -0,0 +1,58 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Note: this selects all types in the package.
+// +k8s:validation-gen=*
+// +k8s:validation-gen-scheme-registry=k8s.io/code-generator/cmd/validation-gen/testscheme.Scheme
+// +k8s:validation-gen-test-fixture=validateFalse
+
+// This is a test package.
+package withfieldvalidations
+
+import "k8s.io/code-generator/cmd/validation-gen/testscheme"
+
+var localSchemeBuilder = testscheme.New()
+
+type T1 struct {
+	// +k8s:validateFalse="field T1.S"
+	S string `json:"s"`
+	// +k8s:validateFalse="field T1.T2"
+	T2 T2 `json:"t2"`
+	// +k8s:validateFalse="field T1.T3"
+	T3 T3 `json:"t3"`
+}
+
+// Note: this has validations and is linked into T1.
+type T2 struct {
+	// +k8s:validateFalse="field T2.S"
+	S string `json:"s"`
+}
+
+// Note: this has no validations and is linked into T1.
+type T3 struct {
+	S string `json:"s"`
+}
+
+// Note: this has validations and is not linked into T1.
+type T4 struct {
+	// +k8s:validateFalse="field T4.S"
+	S string `json:"s"`
+}
+
+// Note: this has no validations and is not linked into T1.
+type T5 struct {
+	S string `json:"s"`
+}

staging/src/k8s.io/code-generator/cmd/validation-gen/output_tests/all_types_match/trivial/zz_generated.validations_test.go

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+{
+    "*withfieldvalidations.T1": {
+      "s": [
+        "field T1.S"
+      ],
+      "t2": [
+        "field T1.T2"
+      ],
+      "t2.s": [
+        "field T2.S"
+      ],
+      "t3": [
+        "field T1.T3"
+      ]
+    },
+    "*withfieldvalidations.T2": {
+      "s": [
+        "field T2.S"
+      ]
+    },
+    "*withfieldvalidations.T4": {
+      "s": [
+        "field T4.S"
+      ]
+    }
+  }