From b04026d5ae90ba3eec5e1a6233a176d2c4966260 Mon Sep 17 00:00:00 2001
From: Matthias Fischer <matthias.fischer@doubleslash.de>
Date: Tue, 9 Apr 2024 12:31:03 +0200
Subject: [PATCH] fix(impl): [#199] add test

---
 .../services/PolicyHelperTest.java            | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/services/PolicyHelperTest.java b/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/services/PolicyHelperTest.java
index 1362d7a7bb..8612ae2610 100644
--- a/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/services/PolicyHelperTest.java
+++ b/irs-policy-store/src/test/java/org/eclipse/tractusx/irs/policystore/services/PolicyHelperTest.java
@@ -30,7 +30,7 @@
 class PolicyHelperTest {
 
     @Test
-    void shouldFilterMapByPolicyId() {
+    void findBpnsByPolicyId_shouldFilterMapByPolicyId() {
 
         // ARRANGE
         final HashMap<String, List<Policy>> policyMap = new HashMap<>();
@@ -50,4 +50,23 @@ void shouldFilterMapByPolicyId() {
         assertThat(result).containsExactlyInAnyOrder("BPN1", "BPN2", "BPN4");
     }
 
+    @Test
+    void havingPolicyId_whenAppliedAsFilterToAListOfPolicies_shouldFilterByPolicyId() {
+
+        // ARRANGE
+        final String policyIdToFind = "policyToFind";
+        List<Policy> policies = List.of( //
+                Policy.builder().policyId("policy1").build(), //
+                Policy.builder().policyId(policyIdToFind).build(), //
+                Policy.builder().policyId("policy3").build(), //
+                Policy.builder().policyId("policy4").build(), //
+                Policy.builder().policyId(policyIdToFind).build());
+
+        // ACT
+        final List<Policy> result = policies.stream().filter(PolicyHelper.havingPolicyId(policyIdToFind)).toList();
+
+        // ASSERT
+        assertThat(result.stream().map(Policy::getPolicyId).toList()).hasSize(2).containsOnly(policyIdToFind);
+    }
+
 }