🌱 Increase unit test coverage

pkg/cli/cmd_helpers_test.go

@@ -0,0 +1,73 @@
+/*
+Copyright 2025 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.
+*/
+
+package cli
+
+import (
+	"errors"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"github.com/spf13/cobra"
+)
+
+var _ = Describe("cmd_helpers", func() {
+	Context("error types", func() {
+		It("noResolvedPluginError should return correct message", func() {
+			err := noResolvedPluginError{}
+			Expect(err.Error()).To(ContainSubstring("no resolved plugin"))
+			Expect(err.Error()).To(ContainSubstring("verify the project version and plugins"))
+		})
+
+		It("noAvailablePluginError should return correct message with subcommand", func() {
+			err := noAvailablePluginError{subcommand: "init"}
+			Expect(err.Error()).To(ContainSubstring("init"))
+			Expect(err.Error()).To(ContainSubstring("do not provide any"))
+		})
+	})
+
+	Context("cmdErr", func() {
+		It("should update command with error information", func() {
+			cmd := &cobra.Command{
+				Long: "Original description",
+				RunE: func(*cobra.Command, []string) error {
+					return nil
+				},
+			}
+			testError := errors.New("test error")
+
+			cmdErr(cmd, testError)
+
+			Expect(cmd.Long).To(ContainSubstring("Original description"))
+			Expect(cmd.Long).To(ContainSubstring("test error"))
+			Expect(cmd.RunE).NotTo(BeNil())
+
+			// Execute the modified RunE to verify it returns the error
+			err := cmd.RunE(cmd, []string{})
+			Expect(err).To(Equal(testError))
+		})
+	})
+
+	Context("errCmdFunc", func() {
+		It("should return a function that returns the provided error", func() {
+			testError := errors.New("test error")
+			runE := errCmdFunc(testError)
+
+			err := runE(nil, nil)
+			Expect(err).To(Equal(testError))
+		})
+	})
+})

pkg/machinery/mixins_delim_test.go

@@ -0,0 +1,147 @@
+/*
+Copyright 2025 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.
+*/
+
+package machinery
+
+import (
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+
+	"sigs.k8s.io/kubebuilder/v4/pkg/model/resource"
+)
+
+var _ = Describe("TemplateMixin Delimiters", func() {
+	var tmp TemplateMixin
+
+	BeforeEach(func() {
+		tmp = TemplateMixin{}
+	})
+
+	Context("SetDelim and GetDelim", func() {
+		It("should set and get custom delimiters", func() {
+			tmp.SetDelim("[[", "]]")
+			left, right := tmp.GetDelim()
+			Expect(left).To(Equal("[["))
+			Expect(right).To(Equal("]]"))
+		})
+
+		It("should return empty strings when delimiters are not set", func() {
+			left, right := tmp.GetDelim()
+			Expect(left).To(Equal(""))
+			Expect(right).To(Equal(""))
+		})
+
+		It("should allow setting delimiters multiple times", func() {
+			tmp.SetDelim("[[", "]]")
+			left, right := tmp.GetDelim()
+			Expect(left).To(Equal("[["))
+			Expect(right).To(Equal("]]"))
+
+			tmp.SetDelim("<%", "%>")
+			left, right = tmp.GetDelim()
+			Expect(left).To(Equal("<%"))
+			Expect(right).To(Equal("%>"))
+		})
+	})
+})
+
+var _ = Describe("Mixins injection behaviors", func() {
+	Context("DomainMixin", func() {
+		It("should not overwrite existing domain", func() {
+			tmp := DomainMixin{Domain: "existing.domain"}
+			tmp.InjectDomain("new.domain")
+			Expect(tmp.Domain).To(Equal("existing.domain"))
+		})
+
+		It("should inject domain when empty", func() {
+			tmp := DomainMixin{}
+			tmp.InjectDomain("new.domain")
+			Expect(tmp.Domain).To(Equal("new.domain"))
+		})
+	})
+
+	Context("RepositoryMixin", func() {
+		It("should not overwrite existing repository", func() {
+			tmp := RepositoryMixin{Repo: "existing.repo"}
+			tmp.InjectRepository("new.repo")
+			Expect(tmp.Repo).To(Equal("existing.repo"))
+		})
+
+		It("should inject repository when empty", func() {
+			tmp := RepositoryMixin{}
+			tmp.InjectRepository("new.repo")
+			Expect(tmp.Repo).To(Equal("new.repo"))
+		})
+	})
+
+	Context("ProjectNameMixin", func() {
+		It("should not overwrite existing project name", func() {
+			tmp := ProjectNameMixin{ProjectName: "existing"}
+			tmp.InjectProjectName("new")
+			Expect(tmp.ProjectName).To(Equal("existing"))
+		})
+
+		It("should inject project name when empty", func() {
+			tmp := ProjectNameMixin{}
+			tmp.InjectProjectName("new")
+			Expect(tmp.ProjectName).To(Equal("new"))
+		})
+	})
+
+	Context("BoilerplateMixin", func() {
+		It("should not overwrite existing boilerplate", func() {
+			tmp := BoilerplateMixin{Boilerplate: "existing"}
+			tmp.InjectBoilerplate("new")
+			Expect(tmp.Boilerplate).To(Equal("existing"))
+		})
+
+		It("should inject boilerplate when empty", func() {
+			tmp := BoilerplateMixin{}
+			tmp.InjectBoilerplate("new")
+			Expect(tmp.Boilerplate).To(Equal("new"))
+		})
+	})
+
+	Context("ResourceMixin", func() {
+		It("should not overwrite existing resource", func() {
+			existing := &resource.Resource{GVK: resource.GVK{Group: "existing"}}
+			tmp := ResourceMixin{Resource: existing}
+			tmp.InjectResource(&resource.Resource{GVK: resource.GVK{Group: "new"}})
+			Expect(tmp.Resource.Group).To(Equal("existing"))
+		})
+
+		It("should inject resource when nil", func() {
+			tmp := ResourceMixin{}
+			res := &resource.Resource{GVK: resource.GVK{Group: "new"}}
+			tmp.InjectResource(res)
+			Expect(tmp.Resource.Group).To(Equal("new"))
+		})
+	})
+})
+
+var _ = Describe("IfNotExistsActionMixin", func() {
+	Context("GetIfNotExistsAction", func() {
+		It("should return the configured action", func() {
+			tmp := IfNotExistsActionMixin{IfNotExistsAction: IgnoreFile}
+			Expect(tmp.GetIfNotExistsAction()).To(Equal(IgnoreFile))
+		})
+
+		It("should return zero value when not set", func() {
+			tmp := IfNotExistsActionMixin{}
+			Expect(tmp.GetIfNotExistsAction()).To(Equal(IfNotExistsAction(0)))
+		})
+	})
+})

pkg/model/resource/webhooks_copy_test.go

@@ -0,0 +1,171 @@
+/*
+Copyright 2025 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.
+*/
+
+package resource
+
+import (
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Webhooks Copy and AddSpoke", func() {
+	Context("Copy", func() {
+		It("should create a deep copy of Webhooks", func() {
+			original := Webhooks{
+				WebhookVersion: v1,
+				Defaulting:     true,
+				Validation:     true,
+				Conversion:     false,
+				Spoke:          []string{"v1", "v2"},
+			}
+
+			copied := original.Copy()
+
+			Expect(copied.WebhookVersion).To(Equal(original.WebhookVersion))
+			Expect(copied.Defaulting).To(Equal(original.Defaulting))
+			Expect(copied.Validation).To(Equal(original.Validation))
+			Expect(copied.Conversion).To(Equal(original.Conversion))
+			Expect(copied.Spoke).To(Equal(original.Spoke))
+		})
+
+		It("should not affect original when modifying the copy", func() {
+			original := Webhooks{
+				WebhookVersion: v1,
+				Defaulting:     true,
+				Spoke:          []string{"v1"},
+			}
+
+			copied := original.Copy()
+			copied.Defaulting = false
+			copied.Spoke = append(copied.Spoke, "v2")
+
+			Expect(original.Defaulting).To(BeTrue())
+			Expect(original.Spoke).To(Equal([]string{"v1"}))
+			Expect(copied.Defaulting).To(BeFalse())
+			Expect(copied.Spoke).To(Equal([]string{"v1", "v2"}))
+		})
+
+		It("should handle empty Spoke slice", func() {
+			original := Webhooks{
+				WebhookVersion: v1,
+				Spoke:          []string{},
+			}
+
+			copied := original.Copy()
+			Expect(copied.Spoke).To(BeNil())
+		})
+
+		It("should handle nil Spoke slice", func() {
+			original := Webhooks{
+				WebhookVersion: v1,
+				Spoke:          nil,
+			}
+
+			copied := original.Copy()
+			Expect(copied.Spoke).To(BeNil())
+		})
+
+		It("should create independent Spoke slices", func() {
+			original := Webhooks{
+				Spoke: []string{"v1"},
+			}
+
+			copied := original.Copy()
+			copied.Spoke[0] = "v2"
+
+			Expect(original.Spoke[0]).To(Equal("v1"))
+			Expect(copied.Spoke[0]).To(Equal("v2"))
+		})
+	})
+
+	Context("AddSpoke", func() {
+		It("should add a new spoke version", func() {
+			webhook := &Webhooks{}
+			webhook.AddSpoke("v1")
+
+			Expect(webhook.Spoke).To(HaveLen(1))
+			Expect(webhook.Spoke).To(ContainElement("v1"))
+		})
+
+		It("should not add duplicate spoke versions", func() {
+			webhook := &Webhooks{
+				Spoke: []string{"v1"},
+			}
+			webhook.AddSpoke("v1")
+
+			Expect(webhook.Spoke).To(HaveLen(1))
+			Expect(webhook.Spoke).To(Equal([]string{"v1"}))
+		})
+
+		It("should add multiple different spoke versions", func() {
+			webhook := &Webhooks{}
+			webhook.AddSpoke("v1")
+			webhook.AddSpoke("v2")
+			webhook.AddSpoke("v3")
+
+			Expect(webhook.Spoke).To(HaveLen(3))
+			Expect(webhook.Spoke).To(ContainElements("v1", "v2", "v3"))
+		})
+
+		It("should handle adding existing version in the middle", func() {
+			webhook := &Webhooks{
+				Spoke: []string{"v1", "v2", "v3"},
+			}
+			webhook.AddSpoke("v2")
+
+			Expect(webhook.Spoke).To(HaveLen(3))
+			Expect(webhook.Spoke).To(Equal([]string{"v1", "v2", "v3"}))
+		})
+	})
+
+	Context("Validate with duplicate Spoke versions", func() {
+		It("should fail validation with duplicate spoke versions", func() {
+			webhook := Webhooks{
+				WebhookVersion: v1,
+				Spoke:          []string{"v1", "v1"},
+			}
+
+			Expect(webhook.Validate()).NotTo(Succeed())
+		})
+
+		It("should succeed validation with unique spoke versions", func() {
+			webhook := Webhooks{
+				WebhookVersion: v1,
+				Spoke:          []string{"v1", "v2", "v3"},
+			}
+
+			Expect(webhook.Validate()).To(Succeed())
+		})
+	})
+
+	Context("IsEmpty with Spoke", func() {
+		It("should return false when only Spoke is set", func() {
+			webhook := Webhooks{
+				Spoke: []string{"v1"},
+			}
+
+			Expect(webhook.IsEmpty()).To(BeFalse())
+		})
+
+		It("should return true when Spoke is empty array", func() {
+			webhook := Webhooks{
+				Spoke: []string{},
+			}
+
+			Expect(webhook.IsEmpty()).To(BeTrue())
+		})
+	})
+})