public void Static_properties_are_not_written()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <Widget>();
new Widget().ToDisplayString(formatter)
.Should().NotContain(nameof(SomethingAWithStaticProperty.StaticProperty));
}
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.GetPreferredFormatterFor <Node>();
var output = node.ToDisplayString(formatter);
output.Should().Contain("1.1");
output.Should().Contain("1.2");
output.Should().Contain("1.3");
}
public void Formatter_truncates_expansion_of_IEnumerable()
{
Formatter.ListExpansionLimit = 3;
var formatter = PlainTextFormatter.GetPreferredFormatterFor <IEnumerable <int> >();
var formatted = InfiniteSequence().ToDisplayString(formatter);
formatted.Should().Contain("[ number 9, number 9, number 9 ... (more) ]");
public void Enums_are_formatted_using_their_names()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(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.GetPreferredFormatterFor(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.GetPreferredFormatterFor(typeof(object[]));
var writer = new StringWriter();
formatter.Format(new object[] { 1, null, 3 }, writer);
writer.ToString().Should().Be("[ 1, <null>, 3 ]");
}
public void ValueTuple_values_are_formatted()
{
var tuple = (123, "Hello", Enumerable.Range(1, 3));
var formatter = PlainTextFormatter.GetPreferredFormatterFor(tuple.GetType());
var formatted = tuple.ToDisplayString(formatter);
formatted.Should().Be("( 123, Hello, [ 1, 2, 3 ] )");
}
public void Anonymous_types_are_automatically_fully_formatted()
{
var ints = new[] { 3, 2, 1 };
var obj = new { ints, count = ints.Length };
var formatter = PlainTextFormatter.GetPreferredFormatterFor(obj.GetType());
var output = obj.ToDisplayString(formatter);
output.Should().Be("{ ints: [ 3, 2, 1 ], count: 3 }");
}
public void Strings_with_escaped_sequences_are_preserved()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(typeof(string));
var value = "hola! \n \t \" \" ' ' the joy of escapes! and white space ";
var writer = new StringWriter();
formatter.Format(value, writer);
writer.ToString().Should().Be(value);
}
public void TimeSpan_is_not_destructured()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(typeof(TimeSpan));
var writer = new StringWriter();
var timespan = 25.Milliseconds();
formatter.Format(timespan, writer);
writer.ToString().Should().Be(timespan.ToString());
}
public void When_Zero_properties_available_to_choose_just_ToString_is_used()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <Dummy.DummyWithNoProperties>();
var writer = new StringWriter();
formatter.Format(new Dummy.DummyWithNoProperties(), writer);
var s = writer.ToString();
s.Should().Be("Dummy.DummyWithNoProperties");
}
public void ReadOnlyMemory_of_char_is_formatted_like_a_string()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(typeof(ReadOnlyMemory <char>));
ReadOnlyMemory <char> readOnlyMemory = "Hi!".AsMemory();
var writer = new StringWriter();
formatter.Format(readOnlyMemory, writer);
writer.ToString().Should().Be("Hi!");
}
public void It_emits_a_default_maximum_number_of_properties()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <Dummy.DummyClassWithManyProperties>();
var writer = new StringWriter();
formatter.Format(new Dummy.DummyClassWithManyProperties(), writer);
var s = writer.ToString();
s.Should().Be("{ Dummy.DummyClassWithManyProperties: X1: 1, X2: 2, X3: 3, X4: 4, X5: 5, X6: 6, X7: 7, X8: 8, X9: 9, X10: 10, X11: 11, X12: 12, X13: 13, X14: 14, X15: 15, X16: 16, X17: 17, X18: 18, X19: 19, X20: 20, .. }");
}
public void ReadOnlyMemory_of_int_is_formatted_like_a_int_array()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(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 Properies_of_System_Type_instances_are_not_expanded()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(typeof(Type));
var writer = new StringWriter();
formatter.Format(typeof(string), writer);
writer.ToString()
.Should()
.Be("System.String");
}
public void Formatter_expands_IEnumerable()
{
var list = new List <string> {
"this", "that", "the other thing"
};
var formatter = PlainTextFormatter.GetPreferredFormatterFor(list.GetType());
var formatted = list.ToDisplayString(formatter);
formatted.Should()
.Be("[ this, that, the other thing ]");
}
public void It_expands_properties_of_structs()
{
var id = new EntityId("the typename", "the id");
var formatter = PlainTextFormatter.GetPreferredFormatterFor(id.GetType());
var formatted = id.ToDisplayString(formatter);
formatted.Should()
.Contain("TypeName: the typename")
.And
.Contain("Id: the id");
}
public void Formatter_expands_properties_of_ExpandoObjects()
{
dynamic expando = new ExpandoObject();
expando.Name = "socks";
expando.Parts = null;
var formatter = PlainTextFormatter.GetPreferredFormatterFor <ExpandoObject>();
var expandoString = ((object)expando).ToDisplayString(formatter);
expandoString.Should().Be("{ Name: socks, Parts: <null> }");
}
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.GetPreferredFormatterFor(widget.GetType());
widget.Invoking(w => w.ToDisplayString(formatter)).Should().NotThrow();
}
public void PlainTextFormatter_returns_plain_for_BigInteger()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor(typeof(BigInteger));
var writer = new StringWriter();
var instance = BigInteger.Parse("78923589327589332402359");
formatter.Format(instance, writer);
writer.ToString()
.Should()
.Be("78923589327589332402359");
}
public void It_emits_the_property_names_and_values_for_a_specific_type()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <Widget>();
var writer = new StringWriter();
formatter.Format(new Widget {
Name = "Bob"
}, writer);
var s = writer.ToString();
s.Should().Contain("Name: Bob");
}
public void It_emits_a_configurable_maximum_number_of_properties()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <Dummy.DummyClassWithManyProperties>();
PlainTextFormatter.MaxProperties = 1;
var writer = new StringWriter();
formatter.Format(new Dummy.DummyClassWithManyProperties(), writer);
var s = writer.ToString();
s.Should().Be("{ Dummy.DummyClassWithManyProperties: X1: 1, .. }");
}
public void When_Zero_properties_chosen_just_ToString_is_used()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <Dummy.DummyClassWithManyProperties>();
PlainTextFormatter.MaxProperties = 0;
var writer = new StringWriter();
formatter.Format(new Dummy.DummyClassWithManyProperties(), writer);
var s = writer.ToString();
s.Should().Be("Dummy.DummyClassWithManyProperties");
}
public void It_expands_fields_of_objects()
{
var formatter = PlainTextFormatter.GetPreferredFormatterFor <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_ICollection()
{
var list = new List <string>();
for (var i = 1; i < 11; i++)
{
list.Add("number " + i);
}
Formatter.ListExpansionLimit = 4;
var formatter = PlainTextFormatter.GetPreferredFormatterFor(typeof(ICollection));
var formatted = list.ToDisplayString(formatter);
formatted.Contains("number 1").Should().BeTrue();
formatted.Contains("number 4").Should().BeTrue();
formatted.Should().NotContain("number 5");
formatted.Should().Contain("6 more");
}
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.GetPreferredFormatterFor(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.GetPreferredFormatterFor <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.GetPreferredFormatterFor <Widget>();
// this should not throw
var s = widget.ToDisplayString(formatter);
s.Should()
.Contain("hello")
.And
.NotContain("{ h },{ e }");
}