Adding API defaults unit test + testfile fixture

Signed-off-by: Jason Costello <jason@jsnc.tl>

internal/apis/config/cainjector/v1alpha1/defaults_test.go

@@ -0,0 +1,40 @@
+package v1alpha1
+
+import (
+	"encoding/json"
+	"github.com/cert-manager/cert-manager/pkg/apis/config/cainjector/v1alpha1"
+	"os"
+	"reflect"
+	"testing"
+)
+
+func TestCAInjectorConfigurationDefaults(t *testing.T) {
+	tests := []struct {
+		name   string
+		config *v1alpha1.CAInjectorConfiguration
+	}{
+		{
+			"cainjection",
+			&v1alpha1.CAInjectorConfiguration{},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			SetObjectDefaults_CAInjectorConfiguration(tt.config)
+
+			var expected *v1alpha1.CAInjectorConfiguration
+			expectedData, err := os.ReadFile("./test/defaults.json")
+			err = json.Unmarshal(expectedData, &expected)
+
+			if err != nil {
+				t.Errorf("testfile not found")
+			}
+
+			if !reflect.DeepEqual(tt.config, expected) {
+				prettyExpected, _ := json.MarshalIndent(expected, "", "\t")
+				prettyGot, _ := json.MarshalIndent(tt.config, "", "\t")
+				t.Errorf("expected defaults\n %v \n but got \n %v", string(prettyExpected), string(prettyGot))
+			}
+		})
+	}
+}

internal/apis/config/cainjector/v1alpha1/test/apidefaults.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	v1alpha1_pkg "github.com/cert-manager/cert-manager/internal/apis/config/cainjector/v1alpha1"
+	"github.com/cert-manager/cert-manager/pkg/apis/config/cainjector/v1alpha1"
+	"os"
+)
+
+func main() {
+	config := &v1alpha1.CAInjectorConfiguration{}
+	v1alpha1_pkg.SetObjectDefaults_CAInjectorConfiguration(config)
+	data, err := json.Marshal(config)
+	if err != nil {
+		panic(err)
+	}
+	err = os.WriteFile("./defaults.json", data, 0644)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("cainjector api defaults updated")
+}

internal/apis/config/cainjector/v1alpha1/test/defaults.json

@@ -0,0 +1 @@
+{"leaderElectionConfig":{"enabled":true,"namespace":"kube-system","leaseDuration":60000000000,"renewDeadline":40000000000,"retryPeriod":15000000000},"enableDataSourceConfig":{"certificates":true},"enableInjectableConfig":{"validatingWebhookConfigurations":true,"mutatingWebhookConfigurations":true,"customResourceDefinitions":true,"apiServices":true},"enablePprof":false,"pprofAddress":"localhost:6060","logging":{"format":"text","flushFrequency":"5s","verbosity":0,"options":{"json":{"infoBufferSize":"0"}}}}

make/test.mk

@@ -87,6 +87,10 @@ unit-test-controller: | $(NEEDS_GOTESTSUM)
 unit-test-webhook: | $(NEEDS_GOTESTSUM)
 	cd cmd/webhook && $(GOTESTSUM) ./...
 
+.PHONY: update-apidefaults-cainjector
+update-apidefaults-cainjector:
+	cd internal/apis/config/cainjector/v1alpha1/test && bash -c "$(GO) run apidefaults.go"
+
 .PHONY: setup-integration-tests
 setup-integration-tests: templated-crds