trait ShouldVerb extends AnyRef
Provides an implicit conversion that adds should
methods to String
to support the syntax of FlatSpec
, WordSpec
, fixture.FlatSpec
,
and fixture.WordSpec
.
For example, this trait enables syntax such as the following test registration in FlatSpec
and fixture.FlatSpec
:
"A Stack (when empty)" should "be empty" in { ... } ^
It also enables syntax such as the following shared test registration in FlatSpec
and fixture.FlatSpec
:
"A Stack (with one item)" should behave like nonEmptyStack(stackWithOneItem, lastValuePushed)
^
In addition, it supports the registration of subject descriptions in WordSpec
and fixture.WordSpec
, such as:
"A Stack (when empty)" should { ...
^
And finally, it also supportds the registration of subject descriptions with after words
in WordSpec
and fixture.WordSpec
. For example:
def provide = afterWord("provide") "The ScalaTest Matchers DSL" should provide { ^
The reason this implicit conversion is provided in a separate trait, instead of being provided
directly in FlatSpec
, WordSpec
, fixture.FlatSpec
, and
fixture.WordSpec
, is because an implicit conversion provided directly would conflict
with the implicit conversion that provides should
methods on String
in the Matchers
trait. By contrast, there is no conflict with
the separate ShouldVerb
trait approach, because:
FlatSpec
,WordSpec
,fixture.FlatSpec
, andfixture.WordSpec
mix inShouldVerb
directly, andMatchers
extendsShouldVerb
, overriding theconvertToStringShouldWrapper
implicit conversion function.
So whether or not
a FlatSpec
, WordSpec
, fixture.FlatSpec
, or fixture.WordSpec
mixes in Matchers
, there will only be one
implicit conversion in scope that adds should
methods to String
s.
Also, because the class of the result of the overriding convertToStringShouldWrapper
implicit conversion method provided in Matchers
extends this trait's
StringShouldWrapperForVerb
class, the four uses of should
provided here
are still available. These four should
are in fact available to any class
that mixes in Matchers
, but each takes an implicit parameter that is provided
only in FlatSpec
and fixture.FlatSpec
, or WordSpec
and
fixture.WordSpec
.
- Source
- ShouldVerb.scala
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Type Members
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trait
StringShouldWrapperForVerb
extends AnyRef
This class supports the syntax of
FlatSpec
,WordSpec
,fixture.FlatSpec
, andfixture.WordSpec
.This class supports the syntax of
FlatSpec
,WordSpec
,fixture.FlatSpec
, andfixture.WordSpec
.This class is used in conjunction with an implicit conversion to enable
should
methods to be invoked onString
s.
Value Members
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final
def
!=(arg0: Any): Boolean
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def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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- protected[java.lang]
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implicit
def
convertToStringShouldWrapperForVerb(o: String)(implicit position: Position): StringShouldWrapperForVerb
Implicitly converts an object of type
String
to aStringShouldWrapperForVerb
, to enableshould
methods to be invokable on that object.Implicitly converts an object of type
String
to aStringShouldWrapperForVerb
, to enableshould
methods to be invokable on that object. -
final
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eq(arg0: AnyRef): Boolean
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