Send git commit information as service message from ArgoCD steps (#1749)

References MD-1489

Author: sathvikkumar-octo

source/Calamari.Tests/ArgoCD/ArgoCDFilesUpdatedReporterTests.cs

@@ -0,0 +1,120 @@
+using System.Collections.Generic;
+using Calamari.ArgoCD;
+using Calamari.ArgoCD.Models;
+using Calamari.Testing.Helpers;
+using FluentAssertions;
+using NUnit.Framework;
+
+namespace Calamari.Tests.ArgoCD
+{
+    [TestFixture]
+    public class ArgoCDFilesUpdatedReporterTests
+    {
+        [Test]
+        public void ReportDeployments_WithNoUpdatedApplications_WritesNoServiceMessages()
+        {
+            var log = new InMemoryLog();
+            var reporter = new ArgoCDFilesUpdatedReporter(log);
+
+            var applicationResults = new List<ProcessApplicationResult>
+            {
+                new("gateway1", new ApplicationName("app1"), 2, 2, [], [], [])
+            };
+
+            reporter.ReportDeployments(applicationResults);
+
+            var messages = log.ServiceMessages;
+            messages.Should().BeEmpty();
+        }
+
+        [Test]
+        public void ReportDeployments_WithSingleUpdatedApplication_WritesOneServiceMessage()
+        {
+            var log = new InMemoryLog();
+            var reporter = new ArgoCDFilesUpdatedReporter(log);
+
+            var applicationResults = new List<ProcessApplicationResult>
+            {
+                new("gateway1", new ApplicationName("app1"), 2, 2, [new UpdatedSourceDetail("abc123", 0, [], [])], [], [])
+            };
+
+            reporter.ReportDeployments(applicationResults);
+
+            log.ServiceMessages.Should().ContainSingle().Which.Should().BeEquivalentTo(new
+            {
+                Name = "argocd-files-updated",
+                Properties = new Dictionary<string, string>
+                {
+                    ["gatewayId"] = "gateway1",
+                    ["applicationName"] = "app1",
+                    ["sources"] = "[{\"CommitSha\":\"abc123\",\"SourceIndex\":0,\"ReplacedFiles\":[],\"PatchedFiles\":[]}]"
+                }
+            });
+        }
+
+        [Test]
+        public void ReportDeployments_WithMultipleUpdatedApplications_WritesMultipleServiceMessages()
+        {
+            var log = new InMemoryLog();
+            var reporter = new ArgoCDFilesUpdatedReporter(log);
+
+            var applicationResults = new List<ProcessApplicationResult>
+            {
+                new("gateway1", new ApplicationName("app1"), 2, 2, [new UpdatedSourceDetail("abc123", 0, [], [])], [], []),
+                new("gateway2", new ApplicationName("app2"), 1, 1, [new UpdatedSourceDetail("def456", 0, [], [])], [], [])
+            };
+
+            reporter.ReportDeployments(applicationResults);
+
+            log.ServiceMessages.Should().BeEquivalentTo([
+                new
+                {
+                    Name = "argocd-files-updated",
+                    Properties = new Dictionary<string, string>
+                    {
+                        ["gatewayId"] = "gateway1",
+                        ["applicationName"] = "app1",
+                        ["sources"] = "[{\"CommitSha\":\"abc123\",\"SourceIndex\":0,\"ReplacedFiles\":[],\"PatchedFiles\":[]}]"
+                    }
+                },
+                new
+                {
+                    Name = "argocd-files-updated",
+                    Properties = new Dictionary<string, string>
+                    {
+                        ["gatewayId"] = "gateway2",
+                        ["applicationName"] = "app2",
+                        ["sources"] = "[{\"CommitSha\":\"def456\",\"SourceIndex\":0,\"ReplacedFiles\":[],\"PatchedFiles\":[]}]"
+                    }
+                }
+            ]);
+        }
+
+        [Test]
+        public void ReportDeployments_WithMixedUpdatedAndNonUpdatedApplications_WritesOnlyUpdatedMessages()
+        {
+            var log = new InMemoryLog();
+            var reporter = new ArgoCDFilesUpdatedReporter(log);
+
+            var applicationResults = new List<ProcessApplicationResult>
+            {
+                new("gateway1", new ApplicationName("app1"), 2, 2, [], [], []),
+                new("gateway2", new ApplicationName("app2"), 1, 1, [new UpdatedSourceDetail("abc123", 0, [], [])], [], []),
+                new("gateway3", new ApplicationName("app3"), 1, 1, [], [], [])
+            };
+
+            reporter.ReportDeployments(applicationResults);
+
+            log.ServiceMessages.Should().ContainSingle().Which.Should().BeEquivalentTo(new
+            {
+                Name = "argocd-files-updated",
+                Properties = new Dictionary<string, string>
+                {
+                    ["gatewayId"] = "gateway2",
+                    ["applicationName"] = "app2",
+                    ["sources"] = "[{\"CommitSha\":\"abc123\",\"SourceIndex\":0,\"ReplacedFiles\":[],\"PatchedFiles\":[]}]"
+                }
+            });
+        }
+    }
+}