test(cli): cover attestation push policy enforcement behavior

Extract policy enforcement checks in attestation push into a helper and add
unit subtests for advisory/non-gated and advisory/gated violation scenarios.

Signed-off-by: Matías Insaurralde <matias@chainloop.dev>

Author: matiasinsaurralde

app/cli/cmd/attestation_push.go

@@ -138,29 +138,8 @@ func newAttestationPushCmd() *cobra.Command {
 				return fmt.Errorf("failed to render output: %w", err)
 			}
 
-			// Block if any of the policies has been configured as a gate
-			for _, evaluations := range res.Status.PolicyEvaluations {
-				for _, eval := range evaluations {
-					if len(eval.Violations) > 0 && eval.Gate {
-						if bypassPolicyCheck {
-							logger.Warn().Msg(exceptionBypassPolicyCheck)
-							continue
-						}
-						return NewGateError(eval.Name)
-					}
-				}
-			}
-
-			// Do a final check in case the operator has configured the attestation to be blocked on any policy violation
-			if res.Status.MustBlockOnPolicyViolations {
-				if bypassPolicyCheck {
-					logger.Warn().Msg(exceptionBypassPolicyCheck)
-					return nil
-				}
-
-				if res.Status.HasPolicyViolations {
-					return ErrBlockedByPolicyViolation
-				}
+			if err := validatePolicyEnforcement(res.Status, bypassPolicyCheck); err != nil {
+				return err
 			}
 
 			return nil
@@ -199,3 +178,34 @@ func NewGateError(policyName string) error {
 func (e *GateError) Error() string {
 	return fmt.Sprintf("the policy %q is configured as a gate and has violations", e.PolicyName)
 }
+
+func validatePolicyEnforcement(status *action.AttestationStatusResult, bypassPolicyCheck bool) error {
+	// Block if any of the policies has been configured as a gate.
+	for _, evaluations := range status.PolicyEvaluations {
+		for _, eval := range evaluations {
+			if len(eval.Violations) > 0 && eval.Gate {
+				if bypassPolicyCheck {
+					logger.Warn().Msg(exceptionBypassPolicyCheck)
+					continue
+				}
+
+				return NewGateError(eval.Name)
+			}
+		}
+	}
+
+	// Do a final check in case the operator has configured the attestation
+	// to be blocked on any policy violation.
+	if status.MustBlockOnPolicyViolations {
+		if bypassPolicyCheck {
+			logger.Warn().Msg(exceptionBypassPolicyCheck)
+			return nil
+		}
+
+		if status.HasPolicyViolations {
+			return ErrBlockedByPolicyViolation
+		}
+	}
+
+	return nil
+}

app/cli/cmd/attestation_push_test.go

@@ -0,0 +1,70 @@
+//
+// Copyright 2026 The Chainloop 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 cmd
+
+import (
+	"testing"
+
+	"github.com/chainloop-dev/chainloop/app/cli/pkg/action"
+	"github.com/stretchr/testify/require"
+)
+
+func TestValidatePolicyEnforcement(t *testing.T) {
+	t.Run("does not block when strategy is advisory and policy is not gated", func(t *testing.T) {
+		status := &action.AttestationStatusResult{
+			PolicyEvaluations: map[string][]*action.PolicyEvaluation{
+				"materials": {
+					{
+						Name: "cdx-fresh",
+						Gate: false,
+						Violations: []*action.PolicyViolation{
+							{Message: "policy violation"},
+						},
+					},
+				},
+			},
+			HasPolicyViolations:         true,
+			MustBlockOnPolicyViolations: false,
+		}
+
+		err := validatePolicyEnforcement(status, false)
+		require.NoError(t, err)
+	})
+
+	t.Run("returns gate error when strategy is advisory and policy is gated", func(t *testing.T) {
+		status := &action.AttestationStatusResult{
+			PolicyEvaluations: map[string][]*action.PolicyEvaluation{
+				"materials": {
+					{
+						Name: "cdx-fresh",
+						Gate: true,
+						Violations: []*action.PolicyViolation{
+							{Message: "policy violation"},
+						},
+					},
+				},
+			},
+			HasPolicyViolations:         true,
+			MustBlockOnPolicyViolations: false,
+		}
+
+		err := validatePolicyEnforcement(status, false)
+		require.Error(t, err)
+		var gateErr *GateError
+		require.ErrorAs(t, err, &gateErr)
+		require.Equal(t, "cdx-fresh", gateErr.PolicyName)
+	})
+}