test: improve expressiveness with sequences access to results

Author: codescape

docs/changelog.md

@@ -13,6 +13,7 @@ category: Administration
 
 * feat: ensure compatibility with Jira 11.3.1
 * test: access static member directly
+* test: improve expressiveness with sequences access to results 
 
 ### [25.12.1] - 2025-12-12
 

src/test/java/de/codescape/jira/plugins/scrumpoker/jql/ActiveScrumPokerSessionsJqlFunctionTest.java

@@ -100,7 +100,7 @@ public void jqlFunctionReturnsIdValueOfIssueKeyForActiveSession() {
             new FunctionOperand(ActiveScrumPokerSessionsJqlFunction.FUNCTION_NAME),
             mock(TerminalClause.class));
         assertThat(activeScrumPokerSessions.size(), is(1));
-        assertThat(activeScrumPokerSessions.get(0).getLongValue(), is(equalTo(42L)));
+        assertThat(activeScrumPokerSessions.getFirst().getLongValue(), is(equalTo(42L)));
     }
 
     /* tests for getMinimumNumberOfExpectedArguments() */

src/test/java/de/codescape/jira/plugins/scrumpoker/rest/mapper/SessionReferenceMapperTest.java

@@ -54,7 +54,7 @@ public void shouldExcludeIssuesWhereIssueCannotBeFound() {
         ReferenceListEntity referenceListEntity = sessionReferenceMapper.build(scrumPokerSessions, "5");
         assertThat(referenceListEntity.isResults(), is(true));
         assertThat(referenceListEntity.getReferences().size(), is(1));
-        assertThat(referenceListEntity.getReferences().get(0).getIssueKey(), equalTo("ISSUE-5"));
+        assertThat(referenceListEntity.getReferences().getFirst().getIssueKey(), equalTo("ISSUE-5"));
     }
 
     private List<ScrumPokerSession> scrumPokerSessionsWithKeys(String... keys) {

src/test/java/de/codescape/jira/plugins/scrumpoker/service/EstimateFieldServiceImplTest.java

@@ -362,7 +362,7 @@ public void supportedCustomFieldsOnlyReturnsFieldsOfSupportedType() {
         List<CustomField> customFields = estimateFieldService.supportedCustomFields();
 
         assertThat(customFields.size(), is(equalTo(1)));
-        assertThat(customFields.get(0).getCustomFieldType().getKey(), is(equalTo(CUSTOM_FIELD_TYPE_NUMBER)));
+        assertThat(customFields.getFirst().getCustomFieldType().getKey(), is(equalTo(CUSTOM_FIELD_TYPE_NUMBER)));
     }
 
     /* supporting methods */

src/test/java/de/codescape/jira/plugins/scrumpoker/service/ScrumPokerSessionServiceImplTest.java

@@ -175,7 +175,7 @@ public void shouldIncludeNewSessionInRecentSessions() {
         List<ScrumPokerSession> recent = scrumPokerSessionService.recent();
         // then it should be included
         assertThat(recent.size(), equalTo(1));
-        assertThat(recent.get(0).getIssueKey(), is(equalTo("ISSUE-1")));
+        assertThat(recent.getFirst().getIssueKey(), is(equalTo("ISSUE-1")));
     }
 
     @Test
@@ -191,7 +191,7 @@ public void shouldOnlyIncludeSessionsWithinTheTimeoutInRecentSessions() {
         List<ScrumPokerSession> recent = scrumPokerSessionService.recent();
         // then only the new one should be included
         assertThat(recent.size(), is(equalTo(1)));
-        assertThat(recent.get(0).getIssueKey(), is(equalTo("ISSUE-2")));
+        assertThat(recent.getFirst().getIssueKey(), is(equalTo("ISSUE-2")));
     }
 
     /* tests for cancel() */