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Add unit tests covering defaults auth and assign
This covers a few happy and error cases with unit tests, uncovering a few typos in error messages in the process.
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249 changes: 249 additions & 0 deletions
249
internal/cmd/controller/gitops/reconciler/restrictions_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,249 @@ | ||
| //go:generate mockgen --build_flags=--mod=mod -destination=../../../../mocks/client_mock.go -package=mocks sigs.k8s.io/controller-runtime/pkg/client Client | ||
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| package reconciler_test | ||
|
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| import ( | ||
| "context" | ||
| "errors" | ||
| "reflect" | ||
| "regexp" | ||
| "testing" | ||
|
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| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "go.uber.org/mock/gomock" | ||
| crclient "sigs.k8s.io/controller-runtime/pkg/client" | ||
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| "github.com/rancher/fleet/internal/cmd/controller/gitops/reconciler" | ||
| "github.com/rancher/fleet/internal/mocks" | ||
| fleet "github.com/rancher/fleet/pkg/apis/fleet.cattle.io/v1alpha1" | ||
| fleetv1 "github.com/rancher/fleet/pkg/apis/fleet.cattle.io/v1alpha1" | ||
| ) | ||
|
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| func TestAuthorizeAndAssignDefaults(t *testing.T) { | ||
| dummyErrMsg := "something happened" | ||
| dummyErr := errors.New(dummyErrMsg) | ||
| cases := []struct { | ||
| name string | ||
| inputGr fleet.GitRepo | ||
| restrictions *fleet.GitRepoRestrictionList | ||
| restrictionsListErr error | ||
| expectedGr fleet.GitRepo | ||
| expectedErr string | ||
| }{ | ||
| { | ||
| name: "fail when listing GitRepo restrictions errors", | ||
| inputGr: fleet.GitRepo{}, | ||
| restrictionsListErr: dummyErr, | ||
| expectedGr: fleet.GitRepo{}, | ||
| expectedErr: dummyErrMsg, | ||
| }, | ||
| { | ||
| name: "pass when list of GitRepo restrictions is empty", | ||
| inputGr: fleet.GitRepo{}, | ||
| restrictions: &fleet.GitRepoRestrictionList{}, | ||
| expectedGr: fleet.GitRepo{}, | ||
| }, | ||
| { | ||
| name: "deny empty targetNamespace when allowedTargetNamespaces restriction present", | ||
| inputGr: fleet.GitRepo{}, // no target ns provided | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedTargetNamespaces: []string{"foo"}, | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{}, | ||
| expectedErr: "empty targetNamespace denied.*allowedTargetNamespaces restriction is present", | ||
| }, | ||
| { | ||
| name: "deny disallowed targetNamespace", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| TargetNamespace: "not-foo", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedTargetNamespaces: []string{"foo"}, | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| TargetNamespace: "not-foo", | ||
| }, | ||
| }, | ||
| expectedErr: "disallowed targetNamespace.*", | ||
| }, | ||
| { | ||
| name: "deny disallowed service account", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ServiceAccount: "not-foo", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedServiceAccounts: []string{"foo"}, | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ServiceAccount: "not-foo", | ||
| }, | ||
| }, | ||
| expectedErr: "disallowed serviceAccount.*", | ||
| }, | ||
| { | ||
| name: "deny disallowed repo pattern", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| Repo: "bar", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedRepoPatterns: []string{"baz"}, | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| Repo: "bar", | ||
| }, | ||
| }, | ||
| expectedErr: "disallowed repo.*", | ||
| }, | ||
| { | ||
| name: "deny disallowed client secret name", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ClientSecretName: "not-foo", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedClientSecretNames: []string{"foo"}, | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ClientSecretName: "not-foo", | ||
| }, | ||
| }, | ||
| expectedErr: "disallowed clientSecretName.*", | ||
| }, | ||
| { | ||
| name: "pass when no restrictions nor disallowed values exist", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| Repo: "http://foo.bar/baz", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{}, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| Repo: "http://foo.bar/baz", | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| name: "pass when restrictions exist and the GitRepo matches allowed values", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ClientSecretName: "csn", | ||
| Repo: "http://foo.bar/baz", | ||
| ServiceAccount: "sacc", | ||
| TargetNamespace: "tns", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedClientSecretNames: []string{"csn"}, | ||
| AllowedRepoPatterns: []string{".*foo.bar.*"}, | ||
| AllowedServiceAccounts: []string{"sacc"}, | ||
| AllowedTargetNamespaces: []string{"tns"}, | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ClientSecretName: "csn", | ||
| Repo: "http://foo.bar/baz", | ||
| ServiceAccount: "sacc", | ||
| TargetNamespace: "tns", | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| name: "pass and mutate repo with defaults when restrictions exist and the GitRepo matches allowed values", | ||
| inputGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| Repo: "http://foo.bar/baz", | ||
| TargetNamespace: "tns", | ||
| }, | ||
| }, | ||
| restrictions: &fleet.GitRepoRestrictionList{ | ||
| Items: []fleet.GitRepoRestriction{ | ||
| { | ||
| AllowedClientSecretNames: []string{"csn"}, | ||
| AllowedRepoPatterns: []string{".*foo.bar.*"}, | ||
| AllowedServiceAccounts: []string{"sacc"}, | ||
| AllowedTargetNamespaces: []string{"tns"}, | ||
| DefaultClientSecretName: "dcsn", | ||
| DefaultServiceAccount: "dsacc", | ||
| }, | ||
| }, | ||
| }, | ||
| expectedGr: fleet.GitRepo{ | ||
| Spec: fleet.GitRepoSpec{ | ||
| ClientSecretName: "dcsn", | ||
| Repo: "http://foo.bar/baz", | ||
| ServiceAccount: "dsacc", | ||
| TargetNamespace: "tns", | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
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| for _, c := range cases { | ||
| t.Run(c.name, func(t *testing.T) { | ||
| mockCtrl := gomock.NewController(t) | ||
| defer mockCtrl.Finish() | ||
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| client := mocks.NewMockClient(mockCtrl) | ||
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| client.EXPECT().List(gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes().DoAndReturn( | ||
| func(_ context.Context, rl *fleetv1.GitRepoRestrictionList, ns crclient.InNamespace) error { | ||
| if c.restrictions != nil && len(c.restrictions.Items) > 0 { | ||
| rl.Items = c.restrictions.Items | ||
| } | ||
|
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| return c.restrictionsListErr | ||
| }, | ||
| ) | ||
|
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| err := reconciler.AuthorizeAndAssignDefaults(context.TODO(), client, &c.inputGr) | ||
|
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| if len(c.expectedErr) > 0 { | ||
| require.NotNil(t, err) | ||
| assert.Regexp(t, regexp.MustCompile(c.expectedErr), err.Error()) | ||
| } else { | ||
| assert.Nil(t, err) | ||
| } | ||
|
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| if !reflect.DeepEqual(c.inputGr, c.expectedGr) { | ||
| t.Errorf("Expected res %v, got %v", c.expectedGr, c.inputGr) | ||
| } | ||
| }) | ||
| } | ||
| } |
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