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First version of the Extension comparator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package shoot | ||
|
|
||
| import ( | ||
| "github.com/gardener/gardener/pkg/apis/core/v1beta1" | ||
| . "github.com/onsi/ginkgo/v2" //nolint:revive | ||
| . "github.com/onsi/gomega" //nolint:revive | ||
| ) | ||
|
|
||
| var _ = Describe(":: extension matcher :: ", func() { | ||
| var empty []v1beta1.Extension | ||
|
|
||
| DescribeTable( | ||
| "checking invalid args :: ", | ||
| testExtensionInvalidArgs, | ||
| Entry("when actual is nil", nil, empty), | ||
| Entry("when expected is nil", "", nil), | ||
| ) | ||
|
|
||
| //disabledTrue := true | ||
| disabledFalse := false | ||
|
|
||
| DescribeTable( | ||
| "checking results :: ", | ||
| testExtensionResults, | ||
| Entry( | ||
| "should match empty and zero values", | ||
| nil, | ||
| empty, | ||
| true, | ||
| ), | ||
| Entry( | ||
| "should match identical tables", | ||
| newExtensionTable(newExtension("test", &disabledFalse)), | ||
| newExtensionTable(newExtension("test", &disabledFalse)), | ||
| true, | ||
| ), | ||
| Entry( | ||
| "should detect extension missing", | ||
| newExtensionTable(newExtension("test1", &disabledFalse), newExtension("test2", &disabledFalse)), | ||
| newExtensionTable(newExtension("test", &disabledFalse)), | ||
| false, | ||
| ), | ||
| Entry( | ||
| "should detect redundant extension", | ||
| newExtensionTable(newExtension("test", &disabledFalse)), | ||
| newExtensionTable(newExtension("test1", &disabledFalse), newExtension("test2", &disabledFalse)), | ||
| false, | ||
| ), | ||
| ) | ||
| }) | ||
|
|
||
| func newExtension(name string, disabled *bool) v1beta1.Extension { | ||
| return v1beta1.Extension{ | ||
| Type: name, | ||
| Disabled: disabled, | ||
| } | ||
| } | ||
|
|
||
| func newExtensionTable(extensions ...v1beta1.Extension) []v1beta1.Extension { | ||
| return extensions | ||
| } | ||
|
|
||
| func testExtensionInvalidArgs(actual, expected interface{}) { | ||
| matcher := NewExtensionMatcher(expected) | ||
| _, err := matcher.Match(actual) | ||
| Expect(err).To(HaveOccurred()) | ||
| } | ||
|
|
||
| func testExtensionResults(actual, expected interface{}, expectedMatch bool) { | ||
| matcher := NewExtensionMatcher(expected) | ||
| actualMatch, err := matcher.Match(actual) | ||
| Expect(err).ShouldNot(HaveOccurred()) | ||
| Expect(actualMatch).Should(Equal(expectedMatch), matcher.FailureMessage(actual)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package shoot | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/gardener/gardener/pkg/apis/core/v1beta1" | ||
| "github.com/onsi/gomega" | ||
| "github.com/onsi/gomega/types" | ||
| "github.com/pkg/errors" | ||
| "reflect" | ||
| "strings" | ||
| ) | ||
|
|
||
| type ExtensionMatcher struct { | ||
| toMatch interface{} | ||
| fails []string | ||
| } | ||
|
|
||
| func NewExtensionMatcher(i interface{}) types.GomegaMatcher { | ||
| return &ExtensionMatcher{ | ||
| toMatch: i, | ||
| } | ||
| } | ||
|
|
||
| func (m *ExtensionMatcher) Match(actual interface{}) (success bool, err error) { | ||
|
|
||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| if actual == nil && m.toMatch != nil { | ||
| return false, errors.New("actual is nil") | ||
| } | ||
|
|
||
| if actual != nil && m.toMatch == nil { | ||
| return false, errors.New("expected is nil") | ||
| } | ||
|
|
||
| if actual == nil && m.toMatch == nil { | ||
| return true, nil | ||
| } | ||
|
|
||
| aExtensions, err := getExtension(actual) | ||
| findExtension := func(extensions []v1beta1.Extension, extensionToFind string) v1beta1.Extension { | ||
| for _, extension := range extensions { | ||
| if extension.Type == extensionToFind { | ||
| return extension | ||
| } | ||
| } | ||
| return v1beta1.Extension{} | ||
| } | ||
|
|
||
| eExtensions, err := getExtension(m.toMatch) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| for i, eExtension := range eExtensions { | ||
| aExtension := findExtension(aExtensions, eExtension.Type) | ||
| matcher := gomega.BeComparableTo(eExtension.Type) | ||
| ok, err := matcher.Match(aExtension.Type) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| if !ok { | ||
| msg := fmt.Sprintf("spec/Extensions[%d]: %s", i, matcher.FailureMessage(aExtension)) | ||
| m.fails = append(m.fails, msg) | ||
| } | ||
|
|
||
| } | ||
|
|
||
| return false, nil | ||
| } | ||
|
|
||
| func (m *ExtensionMatcher) NegatedFailureMessage(_ interface{}) string { | ||
| return "expected should not equal actual" | ||
| } | ||
|
|
||
| func (m *ExtensionMatcher) FailureMessage(_ interface{}) string { | ||
| return strings.Join(m.fails, "\n") | ||
| } | ||
|
|
||
| func getExtension(i interface{}) (shoot []v1beta1.Extension, err error) { | ||
| if i == nil { | ||
| return []v1beta1.Extension{}, fmt.Errorf("invalid value nil") | ||
| } | ||
|
|
||
| switch v := i.(type) { | ||
| case []v1beta1.Extension: | ||
| return v, nil | ||
|
|
||
| default: | ||
| return []v1beta1.Extension{}, fmt.Errorf(`%w: %s`, errInvalidType, reflect.TypeOf(v)) | ||
| } | ||
| } |
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