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Mark test.EquateErrors as deprecated #529

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@negz negz commented Aug 24, 2023

Description of your changes

We can't remove this (it would be a breaking API change) but I want to discourage and redirect folks.

See crossplane/crossplane#4514 for context and more discussion. I've also updated this repo to follow the new pattern proposed in that issue, so it acts as an example of how tests might look if we choose to adopt it.

I have:

  • Read and followed Crossplane's contribution process.
  • Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

See crossplane/crossplane#4514 for context.

We can't remove this (it would be a breaking API change) but I want to
discourage and redirect folks.

Signed-off-by: Nic Cope <[email protected]>
@negz negz requested review from a team as code owners August 24, 2023 18:04
@negz negz requested review from phisco and MisterMX August 24, 2023 18:04
@negz negz marked this pull request as draft August 24, 2023 18:05
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negz commented Aug 24, 2023

Converting to draft because I forgot I had to update all the uses in this repo. 😆

To avoid doing a whole bunch of string comparison in unit tests, we also
switch to using cmpopts.EquateErrors.

Signed-off-by: Nic Cope <[email protected]>
@negz negz marked this pull request as ready for review August 25, 2023 02:01
This way code in policies.go has its tests in policies_test.go, not
reconciler_test.go.

Signed-off-by: Nic Cope <[email protected]>
@@ -214,7 +202,7 @@ func SecretToDeleteMustBeOwnedBy(so metav1.Object) store.DeleteOption {

func secretMustBeOwnedBy(so metav1.Object, secret *store.Secret) error {
if secret.Metadata == nil || secret.Metadata.GetOwnerUID() != string(so.GetUID()) {
return errors.Errorf(errFmtNotOwnedBy, string(so.GetUID()))
return errors.Errorf("existing secret is not woned by UID %q", string(so.GetUID()))
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Suggested change
return errors.Errorf("existing secret is not woned by UID %q", string(so.GetUID()))
return errors.Errorf("existing secret is not owned by UID %q", string(so.GetUID()))

@@ -87,7 +84,8 @@ func TestManagerConnectStore(t *testing.T) {
},
},
want: want{
err: errors.Wrapf(kerrors.NewNotFound(schema.GroupResource{}, fakeConfig), errGetStoreConfig),
// TODO(negz): Can we test that this is kerrors.NewNotFound?
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I tried implementing a custom EquateErrors based on errors.As, but unfortunately I couldn't make it work, so I guess we're stuck with cmptopts.AnyError.

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lsviben commented Sep 3, 2024

This is approved, so if this PR is still relevant could we rebase and merge?

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3 participants