Added configurators

tests/HopFrame.Tests.Core/Helpers/ConfigurationHelperTests.cs

@@ -0,0 +1,249 @@
+using System.Reflection;
+using HopFrame.Core.Configuration;
+using HopFrame.Core.Helpers;
+
+#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
+
+namespace HopFrame.Tests.Core.Helpers;
+
+public class ConfigurationHelperTests {
+    private HopFrameConfig CreateGlobal(params TableConfig[] tables)
+        => new HopFrameConfig { Tables = tables.ToList() };
+
+    private TableConfig CreateValidTable()
+        => new TableConfig {
+            Identifier = "Test",
+            TableType = typeof(string),
+            RepositoryType = typeof(string),
+            Route = "/test",
+            DisplayName = "Test Table",
+            Properties = new List<PropertyConfig> {
+                new PropertyConfig {
+                    Identifier = "Prop1",
+                    DisplayName = "Property 1",
+                    Type = typeof(int)
+                }
+            }
+        };
+
+    private TableConfig CreateDummyTable(string identifier)
+        => new TableConfig {
+            Identifier = identifier,
+            TableType = typeof(object),
+            RepositoryType = typeof(object),
+            Route = identifier.ToLower(),
+            DisplayName = identifier,
+            OrderIndex = 0
+        };
+
+    [Fact]
+    public void InitializeTable_UsesModelNameAsIdentifier_WhenUnique() {
+        var global = CreateGlobal();
+
+        var config = ConfigurationHelper.InitializeTable(global, typeof(string), typeof(TestModel));
+
+        Assert.Equal("TestModel", config.Identifier);
+    }
+
+    [Fact]
+    public void InitializeTable_GeneratesGuid_WhenIdentifierAlreadyExists() {
+        var existing = CreateDummyTable("TestModel");
+        var global = CreateGlobal(existing);
+
+        var config = ConfigurationHelper.InitializeTable(global, typeof(string), typeof(TestModel));
+
+        Assert.NotEqual("TestModel", config.Identifier);
+        Assert.True(Guid.TryParse(config.Identifier, out _));
+    }
+
+    [Fact]
+    public void InitializeTable_SetsBasicFieldsCorrectly() {
+        var global = CreateGlobal();
+
+        var config = ConfigurationHelper.InitializeTable(global, typeof(string), typeof(TestModel));
+
+        Assert.Equal(typeof(string), config.RepositoryType);
+        Assert.Equal(typeof(TestModel), config.TableType);
+        Assert.Equal("testmodel", config.Route);
+        Assert.Equal("TestModel", config.DisplayName);
+        Assert.Equal(0, config.OrderIndex);
+    }
+
+    [Fact]
+    public void InitializeTable_SetsOrderIndex_ToCurrentTableCount() {
+        var global = CreateGlobal(
+            CreateDummyTable("A"),
+            CreateDummyTable("B")
+        );
+
+        var config = ConfigurationHelper.InitializeTable(global, typeof(string), typeof(TestModel));
+
+        Assert.Equal(2, config.OrderIndex);
+    }
+
+    [Fact]
+    public void InitializeTable_CreatesPropertyConfigs_ForAllModelProperties() {
+        var global = CreateGlobal();
+
+        var config = ConfigurationHelper.InitializeTable(global, typeof(string), typeof(TestModel));
+
+        Assert.Equal(2, config.Properties.Count);
+        Assert.Contains(config.Properties, p => p.Identifier == "Id");
+        Assert.Contains(config.Properties, p => p.Identifier == "Name");
+    }
+
+    [Fact]
+    public void InitializeProperty_UsesPropertyNameAsIdentifier_WhenUnique() {
+        var table = CreateDummyTable("T");
+        var property = typeof(TestModel).GetProperty(nameof(TestModel.Id))!;
+
+        var config = InvokeInitializeProperty(table, property);
+
+        Assert.Equal("Id", config.Identifier);
+    }
+
+    [Fact]
+    public void InitializeProperty_GeneratesGuid_WhenIdentifierAlreadyExists() {
+        var table = CreateDummyTable("T");
+        table.Properties.Add(new PropertyConfig
+            { Identifier = "Id", Type = typeof(int), DisplayName = "Id", OrderIndex = 0 });
+
+        var property = typeof(TestModel).GetProperty(nameof(TestModel.Id))!;
+
+        var config = InvokeInitializeProperty(table, property);
+
+        Assert.NotEqual("Id", config.Identifier);
+        Assert.True(Guid.TryParse(config.Identifier, out _));
+    }
+
+    [Fact]
+    public void InitializeProperty_SetsBasicFieldsCorrectly() {
+        var table = CreateDummyTable("T");
+        var property = typeof(TestModel).GetProperty(nameof(TestModel.Name))!;
+
+        var config = InvokeInitializeProperty(table, property);
+
+        Assert.Equal("Name", config.DisplayName);
+        Assert.Equal(typeof(string), config.Type);
+        Assert.Equal(0, config.OrderIndex);
+    }
+
+    [Fact]
+    public void InitializeProperty_SetsOrderIndex_ToCurrentPropertyCount() {
+        var table = CreateDummyTable("T");
+        table.Properties.Add(new PropertyConfig
+            { Identifier = "X", Type = typeof(int), DisplayName = "X", OrderIndex = 0 });
+
+        var property = typeof(TestModel).GetProperty(nameof(TestModel.Name))!;
+
+        var config = InvokeInitializeProperty(table, property);
+
+        Assert.Equal(1, config.OrderIndex);
+    }
+
+    private PropertyConfig InvokeInitializeProperty(TableConfig table, PropertyInfo property) {
+        var method = typeof(ConfigurationHelper)
+            .GetMethod("InitializeProperty", BindingFlags.NonPublic | BindingFlags.Static)!;
+
+        return (PropertyConfig)method.Invoke(null, [table, property])!;
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenIdentifierNotUnique() {
+        var config = CreateValidTable();
+        var global = CreateGlobal(new TableConfig {
+            Identifier = "Test",
+            DisplayName = null,
+            TableType = null,
+            RepositoryType = null,
+            Route = null
+        });
+
+        var result = ConfigurationHelper.ValidateTable(global, config).ToList();
+
+        Assert.Contains("Table identifier 'Test' is not unique", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenTableTypeIsNull() {
+        var config = CreateValidTable();
+        config.TableType = null;
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("TableType cannot be null", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenRepositoryTypeIsNull() {
+        var config = CreateValidTable();
+        config.RepositoryType = null;
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("RepositoryType cannot be null", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenRouteIsNull() {
+        var config = CreateValidTable();
+        config.Route = null;
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("Route cannot be null", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenDisplayNameIsNull() {
+        var config = CreateValidTable();
+        config.DisplayName = null;
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("DisplayName cannot be null", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenPropertyIdentifierNotUnique() {
+        var config = CreateValidTable();
+        config.Properties.Add(new PropertyConfig {
+            Identifier = "Prop1",
+            DisplayName = "Duplicate",
+            Type = typeof(int)
+        });
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("Property identifier 'Prop1' is not unique", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenPropertyDisplayNameIsNull() {
+        var config = CreateValidTable();
+        config.Properties[0].DisplayName = null;
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("Property 'Prop1': DisplayName cannot be null", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsError_WhenPropertyTypeIsNull() {
+        var config = CreateValidTable();
+        config.Properties[0].Type = null;
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Contains("Property 'Prop1': Type cannot be null", result);
+    }
+
+    [Fact]
+    public void ValidateTable_ReturnsNoErrors_WhenConfigIsValid() {
+        var config = CreateValidTable();
+
+        var result = ConfigurationHelper.ValidateTable(CreateGlobal(), config).ToList();
+
+        Assert.Empty(result);
+    }
+}

tests/HopFrame.Tests.Core/Helpers/ExpressionHelperTests.cs

@@ -0,0 +1,44 @@
+using System.Linq.Expressions;
+using HopFrame.Core.Helpers;
+
+namespace HopFrame.Tests.Core.Helpers;
+
+public class ExpressionHelperTests {
+
+    [Fact]
+    public void GetPropertyInfo_ReturnsPropertyInfo_WhenExpressionIsValid() {
+        Expression<Func<TestModel, int>> expr = x => x.Id;
+
+        var prop = ExpressionHelper.GetPropertyInfo(expr);
+
+        Assert.Equal(nameof(TestModel.Id), prop.Name);
+        Assert.Equal(typeof(int), prop.PropertyType);
+    }
+
+    [Fact]
+    public void GetPropertyInfo_Throws_WhenExpressionRefersToMethod() {
+        Expression<Func<TestModel, int>> expr = x => x.Method();
+
+        var ex = Assert.Throws<ArgumentException>(() => ExpressionHelper.GetPropertyInfo(expr));
+
+        Assert.Contains("refers to a method", ex.Message);
+    }
+
+    [Fact]
+    public void GetPropertyInfo_Throws_WhenExpressionRefersToField() {
+        Expression<Func<TestModel, int>> expr = x => x.FieldBacking;
+
+        var ex = Assert.Throws<ArgumentException>(() => ExpressionHelper.GetPropertyInfo(expr));
+
+        Assert.Contains("refers to a field", ex.Message);
+    }
+
+    [Fact]
+    public void GetPropertyInfo_Throws_WhenExpressionBodyIsNotMemberExpression() {
+        Expression<Func<TestModel, int>> expr = x => 5;
+
+        var ex = Assert.Throws<ArgumentException>(() => ExpressionHelper.GetPropertyInfo(expr));
+
+        Assert.Contains("refers to a method, not a property", ex.Message);
+    }
+}