Added some more test fixtures

PPMTool.Tests/API/BaseApiTest.cs

@@ -27,6 +27,12 @@ public static HttpClient GetClientAsManager()
             return client;
         }
 
+        [OneTimeSetUp]
+        public virtual void OneTimeSetup()
+        {
+            SetupForAPI();
+        }
+
         public void SetupForAPI()
         {
             // Get the API key to use from the database
@@ -80,5 +86,20 @@ public void SetupForAPI()
                 throw new Exception("No valid API keys found for a manager with a report in the database. Please create one for testing.");
             }
         }
+
+        /// <summary>
+        /// Gets the start date for a date range query (one month ago).
+        /// </summary>
+        protected static string GetStartDate() => DateTime.Now.AddMonths(-1).ToString("yyyy-MM-dd");
+
+        /// <summary>
+        /// Gets the end date for a date range query (today).
+        /// </summary>
+        protected static string GetEndDate() => DateTime.Now.ToString("yyyy-MM-dd");
+
+        /// <summary>
+        /// Gets the current year for year-based queries.
+        /// </summary>
+        protected static int GetCurrentYear() => DateTime.Now.Year;
     }
 }

PPMTool.Tests/API/LeaveBookings/EndpointOKTests.cs

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 2026 University of Manchester
+//
+// SPDX-License-Identifier: apache-2.0
+
+namespace PPMTool.Tests.API.LeaveBookings
+{
+    [TestFixture]
+    public class EndpointOKTests : BaseApiTest
+    {
+        [Test]
+        public async Task GetStaffBookingsForYearShouldReturnOKOrErrorDependingOnDatabaseAvailability()
+        {
+            using (var client = GetClientAsManager())
+            {
+                var response = await client.GetAsync($"/leavebookings/getForSelfAndStaff?year={GetCurrentYear()}");
+                // This endpoint may return 500 if the Leave Bookings database is not available
+                // We just verify that the endpoint is accessible and returns a valid response
+                Assert.That(
+                    response.StatusCode == System.Net.HttpStatusCode.OK ||
+                    response.StatusCode == System.Net.HttpStatusCode.InternalServerError ||
+                    response.StatusCode == System.Net.HttpStatusCode.BadRequest
+                );
+            }
+        }
+    }
+}

PPMTool.Tests/API/Skills/EndpointOKTests.cs

@@ -16,5 +16,25 @@ public async Task GetAllSkillsShouldReturnOK()
                 Assert.That(response.IsSuccessStatusCode);
             }
         }
+
+        [Test]
+        public async Task GetAllSkillsForPersonShouldReturnOK()
+        {
+            using (var client = GetClientAsManager())
+            {
+                var response = await client.GetAsync("/skills/getAllForPerson");
+                Assert.That(response.IsSuccessStatusCode);
+            }
+        }
+
+        [Test]
+        public async Task GetAllSkillsGroupedShouldReturnOK()
+        {
+            using (var client = GetClientAsManager())
+            {
+                var response = await client.GetAsync("/skills/getAllGrouped");
+                Assert.That(response.IsSuccessStatusCode);
+            }
+        }
     }
-}
+}

PPMTool.Tests/API/Timesheets/EndpointOKTests.cs

@@ -7,5 +7,24 @@ namespace PPMTool.Tests.API.Timesheets
     [TestFixture]
     public class EndpointOKTests : BaseApiTest
     {
+        [Test]
+        public async Task GetTimesheetEntriesForPersonForDateRangeShouldReturnOK()
+        {
+            using (var client = GetClientAsManager())
+            {
+                var response = await client.GetAsync($"/timesheets/getEntries?startDate={GetStartDate()}&endDate={GetEndDate()}");
+                Assert.That(response.IsSuccessStatusCode);
+            }
+        }
+
+        [Test]
+        public async Task GetTimesheetBookingsByCodeAndTaskShouldReturnOK()
+        {
+            using (var client = GetClientAsManager())
+            {
+                var response = await client.GetAsync($"/timesheets/getByCodeTask?startDate={GetStartDate()}&endDate={GetEndDate()}");
+                Assert.That(response.IsSuccessStatusCode);
+            }
+        }
     }
-}
+}

PPMTool.Tests/API/WorkloadModelAnalysis/EndpointOKTests.cs

@@ -0,0 +1,38 @@
+// SPDX-FileCopyrightText: 2026 University of Manchester
+//
+// SPDX-License-Identifier: apache-2.0
+
+namespace PPMTool.Tests.API.WorkloadModelAnalysis
+{
+    [TestFixture]
+    public class EndpointOKTests : BaseApiTest
+    {
+        [Test]
+        public async Task GetWorkloadAnalysisDataShouldReturnOK()
+        {
+            using (var client = GetClientAsManager())
+            {
+                // Query requires personNames parameter
+                // Use empty string to get data for the API key owner by default
+                var response = await client.GetAsync($"/wlm/getAnalysis?personNames=&startDate={GetStartDate()}&endDate={GetEndDate()}");
+
+                // The endpoint can return various status codes depending on parameters:
+                // 200 OK if successful
+                // 400 Bad Request if parameters are invalid
+                // We verify the endpoint is accessible and returns a valid response
+                Assert.That(response.IsSuccessStatusCode || response.StatusCode == System.Net.HttpStatusCode.BadRequest);
+            }
+        }
+
+        [Test]
+        public async Task GetWorkloadAnalysisDataWithComparisonShouldReturnOK()
+        {
+            using (var client = GetClientAsManager())
+            {
+                var response = await client.GetAsync($"/wlm/getAnalysis?personNames=&startDate={GetStartDate()}&endDate={GetEndDate()}&compareToWLM=true&normalisedByTotalHours=true");
+
+                Assert.That(response.IsSuccessStatusCode || response.StatusCode == System.Net.HttpStatusCode.BadRequest);
+            }
+        }
+    }
+}