public void Should_Throw_If_Key_Is_Null()
{
// Given
var transformation = new TextTransformationTemplate("template");
// When
var result = Record.Exception(() => transformation.Register(null, "value"));
// Then
Assert.IsArgumentNullException(result, "key");
}
public void Should_Escape_Regex_Characters_In_Text()
{
// Given
var transformation = new TextTransformationTemplate(".$^{[(|)*+?\\");
// When
var result = transformation.Render();
// Then
Assert.Equal(".$^{[(|)*+?\\", result);
}
public void Should_Replace_Tokens()
{
// Given
var transformation = new TextTransformationTemplate("<%greeting%> world!");
transformation.Register("greeting", "Hello");
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello world!", result);
}
public void Should_Throw_If_Key_Is_Empty(string key)
{
// Given
var transformation = new TextTransformationTemplate("template");
// When
var result = Record.Exception(() => transformation.Register(key, "value"));
// Then
Assert.IsType <ArgumentException>(result);
Assert.Equal("key", ((ArgumentException)result).ParamName);
Assert.Equal(string.Format("Key cannot be empty.{0}Parameter name: key", Environment.NewLine), result.Message);
}
public void Should_Invoke_ToString_On_Provided_Value()
{
// Given
var transformation = new TextTransformationTemplate("Hello <%subject%>!");
transformation.Register("subject", new Guid("A700936F-8E15-4BB7-82CE-312547B66440"));
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello a700936f-8e15-4bb7-82ce-312547b66440!", result);
}
public void Should_Return_Key_If_The_Value_Was_Not_Formattable()
{
// Given
var transformation = new TextTransformationTemplate("Hello <%pointer:foo%>");
transformation.Register("pointer", IntPtr.Zero);
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello <%pointer:foo%>", result);
}
public void Should_Replace_Formated_Null_Token_Value_With_Empty_String()
{
// Given
var transformation = new TextTransformationTemplate("Hello <%subject:foo%>!");
transformation.Register("subject", null);
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello !", result);
}
public void Should_Trim_Content_Of_Token(string template)
{
// Given
var transformation = new TextTransformationTemplate(template);
transformation.Register("guid", new Guid("A700936F-8E15-4BB7-82CE-312547B66440"));
// When
var result = transformation.Render();
// Then
Assert.Equal("a700936f-8e15-4bb7-82ce-312547b66440", result);
}
public void Should_Apply_Format_If_Provided_And_Applicable(string template, string expected)
{
// Given
var transformation = new TextTransformationTemplate(template);
transformation.Register("date", new DateTime(2014, 12, 23, 18, 27, 43));
// When
var result = transformation.Render();
// Then
Assert.Equal(expected, result);
}
public void Should_Keep_Unmatched_Tokens()
{
// Given
var transformation = new TextTransformationTemplate("<%greeting%> <%subject%>!");
transformation.Register("greeting", "Hello");
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello <%subject%>!", result);
}
public void Should_Throw_If_Key_Is_Empty(string key)
{
// Given
var transformation = new TextTransformationTemplate("template");
// When
var result = Record.Exception(() => transformation.Register(key, "value"));
// Then
Assert.IsType <ArgumentException>(result);
Assert.Equal("key", ((ArgumentException)result)?.ParamName);
Assert.StartsWith("Key cannot be empty", result.Message?.SplitLines()[0]);
}
public void Should_Replace_Tokens_With_Different_Placeholder()
{
// Given
var placeholder = new Tuple <string, string>("{{", "}}");
var transformation = new TextTransformationTemplate("{{greeting}} world!", placeholder);
transformation.Register("greeting", "Hello");
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello world!", result);
}
public void Should_Throw_If_Two_Tokens_With_The_Same_Key_Are_Added(string first, string second)
{
// Given
var transformation = new TextTransformationTemplate("template");
transformation.Register(first, "value");
// When
var result = Record.Exception(() => transformation.Register(second, "othervalue"));
// Then
Assert.IsType <InvalidOperationException>(result);
Assert.Equal("The key 'key' has already been added.", result.Message);
}
public void Should_Escape_Regex_Characters_In_Placeholder(string placeholder)
{
// Given
var template = string.Concat("Hello ", placeholder, "subject", placeholder, "!");
var transformation = new TextTransformationTemplate(template, Tuple.Create(placeholder, placeholder));
transformation.Register("subject", "world");
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello world!", result);
}
public void Should_Return_Key_If_The_Value_Was_Not_Formattable_With_Different_Placeholder()
{
// Given
var placeholder = new Tuple <string, string>("{{", "}}");
var transformation = new TextTransformationTemplate("Hello {{pointer:foo}}", placeholder);
transformation.Register("pointer", IntPtr.Zero);
// When
var result = transformation.Render();
// Then
Assert.Equal("Hello {{pointer:foo}}", result);
}
