src/Pacserver.Tests/checkIfDatabasesWereModifiedTest.cs

@@ -0,0 +1,31 @@
+using Pacserver.Utils;
+
+namespace Pacserver.Tests;
+
+public class checkIfDatabasesWereModifiedTest {
+    [Fact]
+    public void checkIfDatabasesWereModified_throwsExceptionIfNoValidModeIsGiven() {
+        // Arrange
+        PacserverUtils utils = new PacserverUtils();
+        utils.readPacmanConfig();
+
+        // Act
+        Action act = () => utils.checkIfDatabasesWereModified("test", "/tmp/test.txt");
+
+        // Assert
+        act.Should().Throw<ArgumentException>().WithMessage("No valid mode was given. Valid modes are before and after");
+    }
+
+    [Fact]
+    public void checkIfDatabasesWereModified_throwsNoExceptionIfValidModeIsGiven() {
+        // Arrange
+        PacserverUtils utils = new PacserverUtils();
+        utils.readPacmanConfig();
+
+        // Act
+        Action act = () => utils.checkIfDatabasesWereModified("before", "/tmp/test.txt");
+
+        // Assert
+        act.Should().NotThrow();
+    }
+}

src/Pacserver/Pacserver.cs

@@ -63,30 +63,21 @@ public class PacserverUtils {
     public void checkIfDatabasesWereModified(string mode, string filePath) {
         string[] databases = Directory.GetFiles(pacmanDatabaseDirectory + "sync/");
 
-        // if (mode == "nuke") {
-        //     using (File.Open(filePath, FileMode.Truncate, FileAccess.ReadWrite, FileShare.Delete)) {
-        //         File.Delete(filePath);
-        //     }
-        // }
-
         foreach (string database in databases) {
             switch (mode) {
                 case "before":
-                    if (!File.Exists(filePath)) {
+                    writeDatabaseAccessTimeToFile(filePath, database);
-                        using (File.Open(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite)) {
-                            using (StreamWriter sw = new StreamWriter(filePath)) {
-                                sw.WriteLine(database + " " + File.GetLastAccessTime(database));
-                            }
-                        }
-                    } else if (File.Exists(filePath)) {
-                        using (File.Open(filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)) {
-                            using (var sw = new StreamWriter(filePath, true)) {
-                                sw.WriteLine(database + " " + File.GetLastAccessTime(database));
-                            }
-                        }
-                    }
                     break;
                 case "after":
+                    writeDatabaseAccessTimeToFile(filePath, database);
+                    break;
+                default:
+                    throw new ArgumentException("No valid mode was given. Valid modes are before and after");
+            }
+        }
+    }
+
+    public void writeDatabaseAccessTimeToFile(string filePath, string database) {
         if (!File.Exists(filePath)) {
             using (File.Open(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite)) {
                 using (StreamWriter sw = new StreamWriter(filePath)) {
@@ -100,11 +91,6 @@ public class PacserverUtils {
                 }
             }
         }
-                    break;
-                default:
-                    throw new ArgumentException("No valid mode was selected");
-            }
-        }
     }
 
     private static List<String> newerPackagesAndDatabases = new List<String>();