public void Formatter_iterates_IEnumerable_property_when_its_actual_type_is_an_array_of_objects()
{
var node = new Node
{
Id = "1",
Nodes =
new[]
{
new Node {
Id = "1.1"
},
new Node {
Id = "1.2"
},
new Node {
Id = "1.3"
},
}
};
var formatter = PlainTextFormatter.GetBestFormatterFor <Node>();
var output = node.ToDisplayString(formatter);
output.Should().Contain("1.1");
output.Should().Contain("1.2");
output.Should().Contain("1.3");
}
public void Static_properties_are_not_written()
{
var formatter = PlainTextFormatter.GetBestFormatterFor <Widget>();
new Widget().ToDisplayString(formatter)
.Should().NotContain(nameof(SomethingAWithStaticProperty.StaticProperty));
}
public void ValueTuple_values_are_formatted()
{
var tuple = (123, "Hello", Enumerable.Range(1, 3));
var formatter = PlainTextFormatter.GetBestFormatterFor(tuple.GetType());
var formatted = tuple.ToDisplayString(formatter);
formatted.Should().Be("( 123, Hello, [ 1, 2, 3 ] )");
}
public void Enums_are_formatted_using_their_names()
{
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(FileAccess));
var writer = new StringWriter();
formatter.Format(FileAccess.ReadWrite, writer);
writer.ToString().Should().Be("ReadWrite");
}
public void Formatter_iterates_IEnumerable_property_when_its_actual_type_is_an_array_of_structs()
{
var ints = new[] { 1, 2, 3, 4, 5 };
var formatter = PlainTextFormatter.GetBestFormatterFor(ints.GetType());
ints.ToDisplayString(formatter)
.Should()
.Be("[ 1, 2, 3, 4, 5 ]");
}
public void It_shows_null_items_in_the_sequence_as_null()
{
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(object[]));
var writer = new StringWriter();
formatter.Format(new object[] { 1, null, 3 }, writer);
writer.ToString().Should().Be("[ 1, <null>, 3 ]");
}
public void TimeSpan_is_not_destructured()
{
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(TimeSpan));
var writer = new StringWriter();
var timespan = 25.Milliseconds();
formatter.Format(timespan, writer);
writer.ToString().Should().Be(timespan.ToString());
}
public void Properies_of_System_Type_instances_are_not_expanded()
{
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(Type));
var writer = new StringWriter();
formatter.Format(typeof(string), writer);
writer.ToString()
.Should()
.Be("System.String");
}
public void ReadOnlyMemory_of_int_is_formatted_like_a_int_array()
{
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(ReadOnlyMemory <int>));
var readOnlyMemory = new ReadOnlyMemory <int>(new[] { 1, 2, 3 });
var writer = new StringWriter();
formatter.Format(readOnlyMemory, writer);
writer.ToString().Should().Be("[ 1, 2, 3 ]");
}
public void ReadOnlyMemory_of_char_is_formatted_like_a_string()
{
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(ReadOnlyMemory <char>));
ReadOnlyMemory <char> readOnlyMemory = "Hi!".AsMemory();
var writer = new StringWriter();
formatter.Format(readOnlyMemory, writer);
writer.ToString().Should().Be("Hi!");
}
public void Anonymous_types_are_automatically_fully_formatted()
{
var ints = new[] { 3, 2, 1 };
var obj = new { ints, count = ints.Length };
var formatter = PlainTextFormatter.GetBestFormatterFor(obj.GetType());
var output = obj.ToDisplayString(formatter);
output.Should().Be("{ ints: [ 3, 2, 1 ], count: 3 }");
}
public void It_expands_properties_of_structs()
{
var id = new EntityId("the typename", "the id");
var formatter = PlainTextFormatter.GetBestFormatterFor(id.GetType());
var formatted = id.ToDisplayString(formatter);
formatted.Should()
.Contain("TypeName: the typename")
.And
.Contain("Id: the id");
}
public void Type_specific_formatter_is_preferred_over_generic_formatter()
{
// There is a specific default formatter registered for ReadOnlyMemory<char>, check
// it is selected
var formatter = PlainTextFormatter.GetBestFormatterFor(typeof(ReadOnlyMemory <char>));
formatter.GetType().Should().Be(typeof(PlainTextFormatter <ReadOnlyMemory <char> >));
formatter.Type.Should().Be(typeof(ReadOnlyMemory <char>));
var formatter2 = PlainTextFormatter.GetBestFormatterFor(typeof(ReadOnlyMemory <int>));
formatter2.Type.Should().Be(typeof(ReadOnlyMemory <>));
}
public void Formatter_expands_properties_of_ExpandoObjects()
{
dynamic expando = new ExpandoObject();
expando.Name = "socks";
expando.Parts = null;
var formatter = PlainTextFormatter.GetBestFormatterFor <ExpandoObject>();
var expandoString = ((object)expando).ToDisplayString(formatter);
expandoString.Should().Be("{ Name: socks, Parts: <null> }");
}
public void Formatter_expands_IEnumerable()
{
var list = new List <string> {
"this", "that", "the other thing"
};
var formatter = PlainTextFormatter.GetBestFormatterFor(list.GetType());
var formatted = list.ToDisplayString(formatter);
formatted.Should()
.Be("[ this, that, the other thing ]");
}
public void Create_creates_a_formatter_that_emits_the_property_names_and_values_for_a_specific_type()
{
var formatter = PlainTextFormatter.GetBestFormatterFor <Widget>();
var writer = new StringWriter();
formatter.Format(new Widget {
Name = "Bob"
}, writer);
var s = writer.ToString();
s.Should().Contain("Name: Bob");
}
public void Recursive_formatter_calls_do_not_cause_exceptions()
{
var widget = new Widget();
widget.Parts = new List <Part> {
new Part {
Widget = widget
}
};
var formatter = PlainTextFormatter.GetBestFormatterFor(widget.GetType());
widget.Invoking(w => w.ToDisplayString(formatter)).Should().NotThrow();
}
public void It_expands_fields_of_objects()
{
var formatter = PlainTextFormatter.GetBestFormatterFor <SomeStruct>();
var today = DateTime.Today;
var tomorrow = DateTime.Today.AddDays(1);
var id = new SomeStruct
{
DateField = today,
DateProperty = tomorrow
};
var output = id.ToDisplayString(formatter);
output.Should().Contain("DateField: ");
output.Should().Contain("DateProperty: ");
}
public void Formatter_truncates_expansion_of_long_IDictionary()
{
var list = new Dictionary <string, int>();
for (var i = 1; i < 11; i++)
{
list.Add("number " + i, i);
}
Formatter.ListExpansionLimit = 4;
var formatter = PlainTextFormatter.GetBestFormatterFor(list.GetType());
var formatted = list.ToDisplayString(formatter);
formatted.Contains("number 1").Should().BeTrue();
formatted.Contains("number 4").Should().BeTrue();
formatted.Should().NotContain("number 5");
formatted.Contains("6 more").Should().BeTrue();
}
public void Formatter_recursively_formats_types_within_IEnumerable()
{
var list = new List <Widget>
{
new Widget {
Name = "widget x"
},
new Widget {
Name = "widget y"
},
new Widget {
Name = "widget z"
}
};
var formatter = PlainTextFormatter.GetBestFormatterFor <List <Widget> >();
var formatted = list.ToDisplayString(formatter);
formatted.Should().Be("[ { Microsoft.DotNet.Interactive.Formatting.Tests.Widget: Name: widget x, Parts: <null> }, { Microsoft.DotNet.Interactive.Formatting.Tests.Widget: Name: widget y, Parts: <null> }, { Microsoft.DotNet.Interactive.Formatting.Tests.Widget: Name: widget z, Parts: <null> } ]");
}
public void Formatter_does_not_expand_string()
{
var widget = new Widget
{
Name = "hello"
};
widget.Parts = new List <Part> {
new Part {
Widget = widget
}
};
var formatter = PlainTextFormatter.GetBestFormatterFor <Widget>();
// this should not throw
var s = widget.ToDisplayString(formatter);
s.Should()
.Contain("hello")
.And
.NotContain("{ h },{ e }");
}
public void Non_generic_GetBestFormatter_uses_default_formatter_for_object()
{
PlainTextFormatter.GetBestFormatterFor(typeof(Widget))
.Should()
.BeOfType <PlainTextFormatter <object> >();
}
public void GetBestFormatter_for_List_uses_default_formatter_for_enumerable()
{
PlainTextFormatter.GetBestFormatterFor(typeof(List <int>))
.Should()
.BeOfType <PlainTextFormatter <IEnumerable> >();
}