Finish unit tests

critterfolio/CritterFolio/CritterFolio/Services/DatabaseService.cs

@@ -4,7 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using CritterFolio.DataModels;
-using Microsoft.VisualBasic.FileIO;
+using System.Reflection;
 using SQLite;
 
 namespace CritterFolio.Services;
@@ -32,6 +32,13 @@ public static class DatabaseService
         }
     }
 
+    public static bool TestDbConnection()
+    {
+        return _db != null;
+    }
+
+    
+
     public static async Task ClearAllTables()
     {
         await Init();
@@ -183,4 +190,96 @@ public static class DatabaseService
     }
 
     #endregion
+
+
+
+    #region Tests
+    #if DEBUG
+    
+    public class ColumnInfo
+    {
+        public int Cid { get; set; }
+        public string Name { get; set; }
+        public string Type { get; set; }
+        public int NotNull { get; set; }
+        public string Dflt_Value { get; set; }
+        public int Pk { get; set; }
+    }
+
+    public static async Task<bool> VerifySchemaAgainstModel<T>()
+    {
+        if (_db is null)
+        {
+            Console.WriteLine("Error: Database connection is null.");
+            return false;
+        }
+
+        // Automatically determine the table name from the [Table] attribute or the Class name
+        var modelType = typeof(T);
+        var tableAttribute = modelType.GetCustomAttribute<TableAttribute>();
+        string tableName = tableAttribute != null ? tableAttribute.Name : modelType.Name;
+
+        Console.WriteLine($"--- Schema Verification: {tableName} (Class: {modelType.Name}) ---");
+
+        var dbColumns = await _db.QueryAsync<ColumnInfo>($"PRAGMA table_info('{tableName}')");
+        var dbColumnNames = dbColumns.Select(c => c.Name.ToLower()).ToList();
+
+        if (!dbColumns.Any())
+        {
+            Console.WriteLine($"Result: Failure. Table '{tableName}' does not exist in the database.");
+            return false;
+        }
+
+        Console.WriteLine($"Database columns for table '{tableName}' ({dbColumns.Count}):");
+        foreach (var col in dbColumns)
+        {
+            Console.WriteLine($"    Column: {col.Name} | Type: {col.Type} | PK: {col.Pk == 1}");
+        }
+
+        var modelProperties = modelType
+            .GetProperties(BindingFlags.Public | BindingFlags.Instance)
+            .Where(p => p.GetCustomAttribute<IgnoreAttribute>() == null)
+            .ToList();
+
+        Console.WriteLine($"Model properties for class '{modelType.Name}' ({modelProperties.Count}):");
+        foreach (var prop in modelProperties)
+        {
+            // Detect if the property has a [Column] attribute name override
+            var colAttr = prop.GetCustomAttribute<ColumnAttribute>();
+            string expectedColName = colAttr != null ? colAttr.Name : prop.Name;
+            Console.WriteLine($"    Property: {prop.Name} (Expected Column: {expectedColName}) | Type: {prop.PropertyType.Name}");
+        }
+
+        // Match based on the expected column name (either property name or [Column] attribute)
+        var expectedColumnNames = modelProperties.Select(p => {
+            var attr = p.GetCustomAttribute<ColumnAttribute>();
+            return (attr != null ? attr.Name : p.Name).ToLower();
+        }).ToList();
+
+        var missingInDb = expectedColumnNames.Where(p => !dbColumnNames.Contains(p)).ToList();
+        var extraInDb = dbColumnNames.Where(c => !expectedColumnNames.Contains(c)).ToList();
+
+        bool isMatch = !missingInDb.Any();
+
+        if (missingInDb.Any())
+        {
+            Console.WriteLine($"Result: Failure. Columns missing in database: {string.Join(", ", missingInDb)}");
+        }
+    
+        if (extraInDb.Any())
+        {
+            Console.WriteLine($"Note: Database contains extra columns: {string.Join(", ", extraInDb)}");
+        }
+
+        if (isMatch)
+        {
+            Console.WriteLine($"Result: Success. Class '{modelType.Name}' matches table '{tableName}'.");
+        }
+
+        Console.WriteLine("-------------------------------------------\n");
+        return isMatch;
+    }
+    
+    #endif
+    #endregion
 }

critterfolio/CritterFolio/CritterFolioTests/UnitTest1.cs

@@ -8,20 +8,24 @@ namespace CritterFolioTests;
 
 public class Tests
 {
-    [SetUp]
+    [Test]
-    public void Setup()
+    public async Task TestDatabaseCreation()
     {
+        await DatabaseService.Init();
+        
+        Assert.That(DatabaseService.TestDbConnection(), Is.True);
     }
 
     [Test]
-    public async Task TestAddingCritter()
+    public async Task TestDatabaseSchema()
     {
-        Assert.That(await DatabaseService.AddCritter(new Critter{Name = "Test Critter"}), Is.True);
+        await DatabaseService.Init();
-    }
+        
-
+        Assert.Multiple(async () =>
-    [Test]
+        {
-    public async Task TestGettingCritterThatDoesntExist()
+            Assert.That(await DatabaseService.VerifySchemaAgainstModel<Critter>(), Is.True);
-    {
+            Assert.That(await DatabaseService.VerifySchemaAgainstModel<Document>(), Is.True);
-        Assert.That(await DatabaseService.GetCritter(-1), Is.False);
+            Assert.That(await DatabaseService.VerifySchemaAgainstModel<CritterEvent>(), Is.True);
+        });
     }
 }