improve comments + add additional test

policy.go

@@ -111,7 +111,7 @@ type PolicyCreateOptions struct {
 	Name *string `jsonapi:"attr,name"`
 
 	// **Note: This field is still in BETA and subject to change.**
-	// Optional: The underlying technology that the policy supports.
+	// Optional: The underlying technology that the policy supports. Defaults to Sentinel if not specified for PolicyCreate.
 	Kind PolicyKind `jsonapi:"attr,kind,omitempty"`
 
 	// **Note: This field is still in BETA and subject to change.**

policy_integration_beta_test.go

@@ -193,7 +193,7 @@ func TestPoliciesCreate_Beta(t *testing.T) {
 		assert.Equal(t, err, ErrRequiredEnforcementPath)
 	})
 
-	t.Run("when options is missing enforcement path", func(t *testing.T) {
+	t.Run("when options is missing enforcement mode", func(t *testing.T) {
 		name := randomString(t)
 		options := PolicyCreateOptions{
 			Name:  String(name),
@@ -346,4 +346,18 @@ func TestPoliciesUpdate_Beta(t *testing.T) {
 		assert.NotEqual(t, *pBefore.Query, *pAfter.Query)
 		assert.Equal(t, "terraform.policy1.deny", *pAfter.Query)
 	})
+
+	t.Run("update query when kind is not OPA", func(t *testing.T) {
+		pBefore, pBeforeCleanup := createUploadedPolicy(t, client, true, orgTest)
+		defer pBeforeCleanup()
+
+		pAfter, err := client.Policies.Update(ctx, pBefore.ID, PolicyUpdateOptions{
+			Query: String("terraform.policy1.deny"),
+		})
+		require.NoError(t, err)
+
+		assert.Equal(t, pBefore.Name, pAfter.Name)
+		assert.Equal(t, pBefore.Enforce, pAfter.Enforce)
+		assert.Nil(t, pAfter.Query)
+	})
 }