26620856256

Committed 29 May 2026 05:53AM UTC coverage: 54.913% (-0.9%) from 55.778%

Build # 26620856256

Build Type

push

github

Committed by

pwelter34

Commit Message

Validate JsonColumn and use fully-qualified types

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12 existing lines in 3 files now uncovered.

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0.0

/src/FluentCommand.Generators/DiagnosticDescriptors.cs

using Microsoft.CodeAnalysis;

namespace FluentCommand.Generators;

/// <summary>
/// Centralized diagnostic descriptors for the DataReaderFactory source generator and analyzer.
/// </summary>
internal static class DiagnosticDescriptors
{
    private const string Category = "Usage";

    /// <summary>
    /// FLC001: Type has no parameterless constructor and no constructor matching mappable property count.
    /// </summary>
    public static readonly DiagnosticDescriptor NoMatchingConstructor = new(
        id: "FLC001",
        title: "No matching constructor found",
        messageFormat: "Type '{0}' has no parameterless constructor and no constructor with {1} parameters matching the mappable property count",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Error,
        isEnabledByDefault: true,
        description: "The source generator requires either a parameterless constructor (for object initializer mode) or a constructor whose parameter count matches the number of mappable properties."
    );

    /// <summary>
    /// FLC002: Constructor parameter does not match any property.
    /// </summary>
    public static readonly DiagnosticDescriptor ConstructorParameterNotMatched = new(
        id: "FLC002",
        title: "Constructor parameter has no matching property",
        messageFormat: "Constructor parameter '{0}' on type '{1}' does not match any public property (case-insensitive)",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Warning,
        isEnabledByDefault: true,
        description: "When using constructor initialization, every constructor parameter must match a public property name (case-insensitive)."
    );

    /// <summary>
    /// FLC003: Type has no mappable properties.
    /// </summary>
    public static readonly DiagnosticDescriptor NoMappableProperties = new(
        id: "FLC003",
        title: "No mappable properties found",
        messageFormat: "Type '{0}' has no mappable properties; the generated reader will not map any columns",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Warning,
        isEnabledByDefault: true,
        description: "All public properties are either ignored, not-mapped, or have unsupported types. The generated data reader extension will produce an empty mapping."
    );

    /// <summary>
    /// FLC004: Property type is not supported for data reader mapping.
    /// </summary>
    public static readonly DiagnosticDescriptor UnsupportedPropertyType = new(
        id: "FLC004",
        title: "Unsupported property type",
        messageFormat: "Property '{0}' on type '{1}' has unsupported type '{2}' and will not be mapped",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Info,
        isEnabledByDefault: true,
        description: "The property type is not a supported primitive, enum, or known struct type. The property will be excluded from data reader mapping."
    );

    /// <summary>
    /// FLC005: [GenerateReader] attribute has an invalid type argument.
    /// </summary>
    public static readonly DiagnosticDescriptor InvalidGenerateReaderArgument = new(
        id: "FLC005",
        title: "Invalid GenerateReader type argument",
        messageFormat: "The [GenerateReader] attribute on '{0}' has an invalid or missing type argument",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Error,
        isEnabledByDefault: true,
        description: "The [GenerateReader(typeof(T))] attribute requires exactly one type argument that resolves to a named type."
    );

    /// <summary>
    /// FLC006: [Table] attribute applied to a static or abstract type.
    /// </summary>
    public static readonly DiagnosticDescriptor TableAttributeOnInvalidType = new(
        id: "FLC006",
        title: "Table attribute on static or abstract type",
        messageFormat: "The [Table] attribute on '{0}' is ignored because the type is {1}",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Warning,
        isEnabledByDefault: true,
        description: "The source generator skips static and abstract types annotated with [Table]. Remove the attribute or make the type non-static and non-abstract."
    );

    /// <summary>
    /// FLC007: [JsonColumn] options provider type is invalid.
    /// </summary>
    public static readonly DiagnosticDescriptor InvalidJsonColumnOptionsProvider = new(
        id: "FLC007",
        title: "Invalid JsonColumn options provider",
        messageFormat: "The [JsonColumn] options provider type '{0}' must expose a static Options property of type System.Text.Json.JsonSerializerOptions",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Error,
        isEnabledByDefault: true,
        description: "The [JsonColumn(typeof(TProvider))] attribute requires a provider type with a static Options property compatible with System.Text.Json.JsonSerializerOptions."
    );

    /// <summary>
    /// FLC008: [JsonColumn] serializer context type or property is invalid.
    /// </summary>
    public static readonly DiagnosticDescriptor InvalidJsonColumnSerializerContext = new(
        id: "FLC008",
        title: "Invalid JsonColumn serializer context",
        messageFormat: "The [JsonColumn] serializer context type '{0}' must derive from System.Text.Json.Serialization.JsonSerializerContext and expose a property named '{1}'",
        category: Category,
        defaultSeverity: DiagnosticSeverity.Error,
        isEnabledByDefault: true,
        description: "The [JsonColumn(typeof(TContext), name)] attribute requires a serializer context type and a named type-info property that exists on the context."
    );
}

1	using Microsoft.CodeAnalysis;
2
3	namespace FluentCommand.Generators;
4
5	/// <summary>
6	/// Centralized diagnostic descriptors for the DataReaderFactory source generator and analyzer.
7	/// </summary>
8	internal static class DiagnosticDescriptors
9	{
10	private const string Category = "Usage";
11
12	/// <summary>
13	/// FLC001: Type has no parameterless constructor and no constructor matching mappable property count.
14	/// </summary>
15	public static readonly DiagnosticDescriptor NoMatchingConstructor = new(	×
16	id: "FLC001",	×
17	title: "No matching constructor found",	×
18	messageFormat: "Type '{0}' has no parameterless constructor and no constructor with {1} parameters matching the mappable property count",	×
19	category: Category,	×
20	defaultSeverity: DiagnosticSeverity.Error,	×
21	isEnabledByDefault: true,	×
22	description: "The source generator requires either a parameterless constructor (for object initializer mode) or a constructor whose parameter count matches the number of mappable properties."	×
23	);	×
24
25	/// <summary>
26	/// FLC002: Constructor parameter does not match any property.
27	/// </summary>
28	public static readonly DiagnosticDescriptor ConstructorParameterNotMatched = new(	×
29	id: "FLC002",	×
30	title: "Constructor parameter has no matching property",	×
31	messageFormat: "Constructor parameter '{0}' on type '{1}' does not match any public property (case-insensitive)",	×
32	category: Category,	×
33	defaultSeverity: DiagnosticSeverity.Warning,	×
34	isEnabledByDefault: true,	×
35	description: "When using constructor initialization, every constructor parameter must match a public property name (case-insensitive)."	×
36	);	×
37
38	/// <summary>
39	/// FLC003: Type has no mappable properties.
40	/// </summary>
41	public static readonly DiagnosticDescriptor NoMappableProperties = new(	×
42	id: "FLC003",	×
43	title: "No mappable properties found",	×
44	messageFormat: "Type '{0}' has no mappable properties; the generated reader will not map any columns",	×
45	category: Category,	×
46	defaultSeverity: DiagnosticSeverity.Warning,	×
47	isEnabledByDefault: true,	×
48	description: "All public properties are either ignored, not-mapped, or have unsupported types. The generated data reader extension will produce an empty mapping."	×
49	);	×
50
51	/// <summary>
52	/// FLC004: Property type is not supported for data reader mapping.
53	/// </summary>
54	public static readonly DiagnosticDescriptor UnsupportedPropertyType = new(	×
55	id: "FLC004",	×
56	title: "Unsupported property type",	×
57	messageFormat: "Property '{0}' on type '{1}' has unsupported type '{2}' and will not be mapped",	×
58	category: Category,	×
59	defaultSeverity: DiagnosticSeverity.Info,	×
60	isEnabledByDefault: true,	×
61	description: "The property type is not a supported primitive, enum, or known struct type. The property will be excluded from data reader mapping."	×
62	);	×
63
64	/// <summary>
65	/// FLC005: [GenerateReader] attribute has an invalid type argument.
66	/// </summary>
67	public static readonly DiagnosticDescriptor InvalidGenerateReaderArgument = new(	×
68	id: "FLC005",	×
69	title: "Invalid GenerateReader type argument",	×
70	messageFormat: "The [GenerateReader] attribute on '{0}' has an invalid or missing type argument",	×
71	category: Category,	×
72	defaultSeverity: DiagnosticSeverity.Error,	×
73	isEnabledByDefault: true,	×
74	description: "The [GenerateReader(typeof(T))] attribute requires exactly one type argument that resolves to a named type."	×
75	);	×
76
77	/// <summary>
78	/// FLC006: [Table] attribute applied to a static or abstract type.
79	/// </summary>
80	public static readonly DiagnosticDescriptor TableAttributeOnInvalidType = new(	×
81	id: "FLC006",	×
82	title: "Table attribute on static or abstract type",	×
83	messageFormat: "The [Table] attribute on '{0}' is ignored because the type is {1}",	×
84	category: Category,	×
85	defaultSeverity: DiagnosticSeverity.Warning,	×
86	isEnabledByDefault: true,	×
87	description: "The source generator skips static and abstract types annotated with [Table]. Remove the attribute or make the type non-static and non-abstract."	×
88	);	×
89
90	/// <summary>
91	/// FLC007: [JsonColumn] options provider type is invalid.
92	/// </summary>
NEW 93	public static readonly DiagnosticDescriptor InvalidJsonColumnOptionsProvider = new(	×
NEW 94	id: "FLC007",	×
NEW 95	title: "Invalid JsonColumn options provider",	×
NEW 96	messageFormat: "The [JsonColumn] options provider type '{0}' must expose a static Options property of type System.Text.Json.JsonSerializerOptions",	×
NEW 97	category: Category,	×
NEW 98	defaultSeverity: DiagnosticSeverity.Error,	×
NEW 99	isEnabledByDefault: true,	×
NEW 100	description: "The [JsonColumn(typeof(TProvider))] attribute requires a provider type with a static Options property compatible with System.Text.Json.JsonSerializerOptions."	×
NEW 101	);	×
102
103	/// <summary>
104	/// FLC008: [JsonColumn] serializer context type or property is invalid.
105	/// </summary>
NEW 106	public static readonly DiagnosticDescriptor InvalidJsonColumnSerializerContext = new(	×
NEW 107	id: "FLC008",	×
NEW 108	title: "Invalid JsonColumn serializer context",	×
NEW 109	messageFormat: "The [JsonColumn] serializer context type '{0}' must derive from System.Text.Json.Serialization.JsonSerializerContext and expose a property named '{1}'",	×
NEW 110	category: Category,	×
NEW 111	defaultSeverity: DiagnosticSeverity.Error,	×
NEW 112	isEnabledByDefault: true,	×
NEW 113	description: "The [JsonColumn(typeof(TContext), name)] attribute requires a serializer context type and a named type-info property that exists on the context."	×
NEW 114	);	×
115	}

loresoft / FluentCommand / 26620856256

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