private static void AppendParameterArgumentNullCheck(
StringBuilder sb,
SyntaxGeneratorHandler sgHandler,
List <Tuple <string, string> > usedInterfacesInConstructor)
{
sb.AppendLine(8, "[Fact]");
sb.AppendLine(8, "public void ParameterArgumentNullCheck()");
sb.AppendLine(8, "{");
sb.AppendLine(12, "// Arrange");
if (usedInterfacesInConstructor.Count > 0)
{
foreach (var item in usedInterfacesInConstructor)
{
sb.AppendLine(12, $"var {item.Item2} = Substitute.For<{item.Item1}>();");
}
sb.AppendLine();
var parameters = string.Join(", ", usedInterfacesInConstructor.Select(x => x.Item2));
sb.AppendLine(12, $"var sut = new {sgHandler.HandlerTypeName}({parameters});");
}
else
{
sb.AppendLine(12, $"var sut = new {sgHandler.HandlerTypeName}();");
}
sb.AppendLine();
sb.AppendLine(12, "// Act & Assert");
sb.AppendLine(12, "Assert.ThrowsAsync<ArgumentException>(() => sut.ExecuteAsync(null!));");
sb.AppendLine(8, "}");
}
private static void AppendInstantiateConstructor(
StringBuilder sb,
SyntaxGeneratorHandler sgHandler,
List <Tuple <string, string> > usedInterfacesInConstructor)
{
sb.AppendLine(8, "[Fact]");
sb.AppendLine(8, "public void InstantiateConstructor()");
sb.AppendLine(8, "{");
if (usedInterfacesInConstructor.Count > 0)
{
sb.AppendLine(12, "// Arrange");
foreach (var item in usedInterfacesInConstructor)
{
sb.AppendLine(12, $"var {item.Item2} = Substitute.For<{item.Item1}>();");
}
sb.AppendLine();
}
sb.AppendLine(12, "// Act");
if (usedInterfacesInConstructor.Count > 0)
{
var parameters = string.Join(", ", usedInterfacesInConstructor.Select(x => x.Item2));
sb.AppendLine(12, $"var actual = new {sgHandler.HandlerTypeName}({parameters});");
}
else
{
sb.AppendLine(12, $"var actual = new {sgHandler.HandlerTypeName}();");
}
sb.AppendLine();
sb.AppendLine(12, "// Assert");
sb.AppendLine(12, "Assert.NotNull(actual);");
sb.AppendLine(8, "}");
}
public static LogKeyValueItem GenerateGeneratedTests(
DomainProjectOptions domainProjectOptions,
SyntaxGeneratorHandler sgHandler)
{
if (domainProjectOptions == null)
{
throw new ArgumentNullException(nameof(domainProjectOptions));
}
if (sgHandler == null)
{
throw new ArgumentNullException(nameof(sgHandler));
}
var area = sgHandler.FocusOnSegmentName.EnsureFirstCharacterToUpper();
var nsSrc = $"{domainProjectOptions.ProjectName}.{NameConstants.Handlers}.{area}";
var nsTest = $"{domainProjectOptions.ProjectName}.Tests.{NameConstants.Handlers}.{area}.Generated";
var srcSyntaxNodeRoot = ReadCsFile(domainProjectOptions, sgHandler.FocusOnSegmentName, sgHandler);
var usedInterfacesInConstructor = GetUsedInterfacesInConstructor(srcSyntaxNodeRoot);
var usingStatements = GetUsedUsingStatements(
srcSyntaxNodeRoot,
nsSrc,
usedInterfacesInConstructor.Count > 0);
var sb = new StringBuilder();
foreach (var item in usingStatements)
{
sb.AppendLine($"using {item};");
}
sb.AppendLine();
GenerateCodeHelper.AppendNamespaceComment(sb, domainProjectOptions.ToolNameAndVersion);
sb.AppendLine($"namespace {nsTest}");
sb.AppendLine("{");
GenerateCodeHelper.AppendGeneratedCodeAttribute(sb, domainProjectOptions.ToolName, domainProjectOptions.ToolVersion);
sb.AppendLine(4, $"public class {sgHandler.HandlerTypeName}GeneratedTests");
sb.AppendLine(4, "{");
AppendInstantiateConstructor(sb, sgHandler, usedInterfacesInConstructor);
if (sgHandler.HasParametersOrRequestBody)
{
sb.AppendLine();
AppendParameterArgumentNullCheck(sb, sgHandler, usedInterfacesInConstructor);
}
sb.AppendLine(4, "}");
sb.AppendLine("}");
var pathGenerated = Path.Combine(Path.Combine(domainProjectOptions.PathForTestHandlers !.FullName, area), "Generated");
var fileGenerated = new FileInfo(Path.Combine(pathGenerated, $"{sgHandler.HandlerTypeName}GeneratedTests.cs"));
return(TextFileHelper.Save(fileGenerated, sb.ToString()));
}
private static SyntaxNode ReadCsFile(
DomainProjectOptions domainProjectOptions,
string area,
SyntaxGeneratorHandler sgHandler)
{
var csSrcFile = DirectoryInfoHelper.GetCsFileNameForHandler(domainProjectOptions.PathForSrcHandlers !, area, sgHandler.HandlerTypeName);
var csSrcCode = File.ReadAllText(csSrcFile);
var tree = CSharpSyntaxTree.ParseText(csSrcCode);
return(tree.GetRoot());
}
public static void GenerateGeneratedTests(
ILogger logger,
DomainProjectOptions domainProjectOptions,
SyntaxGeneratorHandler sgHandler)
{
ArgumentNullException.ThrowIfNull(logger);
ArgumentNullException.ThrowIfNull(domainProjectOptions);
ArgumentNullException.ThrowIfNull(sgHandler);
var area = sgHandler.FocusOnSegmentName.EnsureFirstCharacterToUpper();
var nsSrc = $"{domainProjectOptions.ProjectName}.{NameConstants.Handlers}.{area}";
var nsTest = $"{domainProjectOptions.ProjectName}.Tests.{NameConstants.Handlers}.{area}.Generated";
var srcSyntaxNodeRoot = ReadCsFile(domainProjectOptions, sgHandler.FocusOnSegmentName, sgHandler);
var usedInterfacesInConstructor = GetUsedInterfacesInConstructor(srcSyntaxNodeRoot);
var usingStatements = GetUsedUsingStatements(
srcSyntaxNodeRoot,
nsSrc,
usedInterfacesInConstructor.Count > 0);
var sb = new StringBuilder();
foreach (var item in usingStatements)
{
sb.AppendLine($"using {item};");
}
sb.AppendLine();
GenerateCodeHelper.AppendGeneratedCodeWarningComment(sb, domainProjectOptions.ToolNameAndVersion);
sb.AppendLine($"namespace {nsTest}");
sb.AppendLine("{");
GenerateCodeHelper.AppendGeneratedCodeAttribute(sb, domainProjectOptions.ToolName, domainProjectOptions.ToolVersion);
sb.AppendLine(4, $"public class {sgHandler.HandlerTypeName}GeneratedTests");
sb.AppendLine(4, "{");
AppendInstantiateConstructor(sb, sgHandler, usedInterfacesInConstructor);
if (sgHandler.HasParametersOrRequestBody)
{
sb.AppendLine();
AppendParameterArgumentNullCheck(sb, sgHandler, usedInterfacesInConstructor);
}
sb.AppendLine(4, "}");
sb.AppendLine("}");
var pathGenerated = Path.Combine(Path.Combine(domainProjectOptions.PathForTestHandlers !.FullName, area), "Generated");
var fileGenerated = new FileInfo(Path.Combine(pathGenerated, $"{sgHandler.HandlerTypeName}GeneratedTests.cs"));
var fileDisplayLocation = fileGenerated.FullName.Replace(domainProjectOptions.PathForTestGenerate !.FullName, "test: ", StringComparison.Ordinal);
TextFileHelper.Save(logger, fileGenerated, fileDisplayLocation, sb.ToString());
}
public static LogKeyValueItem GenerateCustomTests(
DomainProjectOptions domainProjectOptions,
SyntaxGeneratorHandler sgHandler)
{
if (domainProjectOptions == null)
{
throw new ArgumentNullException(nameof(domainProjectOptions));
}
if (sgHandler == null)
{
throw new ArgumentNullException(nameof(sgHandler));
}
var area = sgHandler.FocusOnSegmentName.EnsureFirstCharacterToUpper();
var nsSrc = $"{domainProjectOptions.ProjectName}.{NameConstants.Handlers}.{area}";
var nsTest = $"{domainProjectOptions.ProjectName}.Tests.{NameConstants.Handlers}.{area}.Generated";
var sb = new StringBuilder();
sb.AppendLine($"using {nsSrc};");
sb.AppendLine("using Xunit;");
sb.AppendLine();
sb.AppendLine($"namespace {nsTest}");
sb.AppendLine("{");
sb.AppendLine(4, $"public class {sgHandler.HandlerTypeName}Tests");
sb.AppendLine(4, "{");
sb.AppendLine(8, "[Fact(Skip=\"Change this to a real test\")]");
sb.AppendLine(8, "public void Sample()");
sb.AppendLine(8, "{");
sb.AppendLine(12, "// Arrange");
sb.AppendLine();
sb.AppendLine(12, "// Act");
sb.AppendLine();
sb.AppendLine(12, "// Assert");
sb.AppendLine(8, "}");
sb.AppendLine(4, "}");
sb.AppendLine("}");
var pathCustom = Path.Combine(domainProjectOptions.PathForTestHandlers !.FullName, area);
var fileCustom = new FileInfo(Path.Combine(pathCustom, $"{sgHandler.HandlerTypeName}Tests.cs"));
return(TextFileHelper.Save(fileCustom, sb.ToString(), false));
}
public static void GenerateCustomTests(
ILogger logger,
DomainProjectOptions domainProjectOptions,
SyntaxGeneratorHandler sgHandler)
{
ArgumentNullException.ThrowIfNull(logger);
ArgumentNullException.ThrowIfNull(domainProjectOptions);
ArgumentNullException.ThrowIfNull(sgHandler);
var area = sgHandler.FocusOnSegmentName.EnsureFirstCharacterToUpper();
var nsTest = $"{domainProjectOptions.ProjectName}.Tests.{NameConstants.Handlers}.{area}";
var sb = new StringBuilder();
sb.AppendLine("using Xunit;");
sb.AppendLine();
sb.AppendLine($"namespace {nsTest}");
sb.AppendLine("{");
sb.AppendLine(4, $"public class {sgHandler.HandlerTypeName}Tests");
sb.AppendLine(4, "{");
sb.AppendLine(8, "[Fact(Skip=\"Change this to a real test\")]");
sb.AppendLine(8, "public void Sample()");
sb.AppendLine(8, "{");
sb.AppendLine(12, "// Arrange");
sb.AppendLine();
sb.AppendLine(12, "// Act");
sb.AppendLine();
sb.AppendLine(12, "// Assert");
sb.AppendLine(8, "}");
sb.AppendLine(4, "}");
sb.AppendLine("}");
var pathCustom = Path.Combine(domainProjectOptions.PathForTestHandlers !.FullName, area);
var fileCustom = new FileInfo(Path.Combine(pathCustom, $"{sgHandler.HandlerTypeName}Tests.cs"));
var fileDisplayLocation = fileCustom.FullName.Replace(domainProjectOptions.PathForTestGenerate !.FullName, "test: ", StringComparison.Ordinal);
TextFileHelper.Save(logger, fileCustom, fileDisplayLocation, sb.ToString(), overrideIfExist: false);
}
