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chore: return context.Canceled when in Prepare for rbac #10763

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Merged
merged 2 commits into from
Nov 17, 2023
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chore: return context.Canceled when in Prepare for rbac #10763

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chore: return context.Canceled when in Prepare for rbac
Emyrk Nov 17, 2023
038f797
Had to remove the unit test for cancel
Emyrk Nov 17, 2023
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Had to remove the unit test for cancel 
Rego uses a go routine to track the ctx cancelled, so if the rego
query completes before that go routine even runs, or checks, then
there is no error. This is a race condition in how rego handles
context cancels.
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@Emyrk
Emyrk committed Nov 17, 2023
commit 038f7973b94d50860f4b6b17817a3fc7b7abd09a
18 changes: 0 additions & 18 deletions coderd/rbac/authz_internal_test.go
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Expand Up @@ -1023,24 +1023,6 @@ func TestAuthorizeScope(t *testing.T) {
)
}

func TestCanceledPrepare(t *testing.T) {
t.Parallel()

authorizer := NewAuthorizer(prometheus.NewRegistry())
// This context is canceled intentionally to test the prepare error.
ctx, cancel := context.WithCancel(context.Background())
cancel()

// The error should be a `context.Canceled` error.
// By default Rego throws a custom cancelled error.
_, err := authorizer.Prepare(ctx, Subject{
ID: "foo",
Roles: RoleNames{RoleOwner()},
Scope: ScopeAll,
}, ActionRead, ResourceWorkspace.Type)
require.ErrorIs(t, err, context.Canceled, "expected canceled context")
}

// cases applies a given function to all test cases. This makes generalities easier to create.
func cases(opt func(c authTestCase) authTestCase, cases []authTestCase) []authTestCase {
if opt == nil {
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