Packages

  • package root
    Definition Classes
    root
  • package org
    Definition Classes
    root
  • package scalatest

    ScalaTest's main traits, classes, and other members, including members supporting ScalaTest's DSL for the Scala interpreter.

    ScalaTest's main traits, classes, and other members, including members supporting ScalaTest's DSL for the Scala interpreter.

    Definition Classes
    org
  • package words
    Definition Classes
    scalatest
  • trait MustVerb extends AnyRef

    Provides an implicit conversion that adds must methods to String to support the syntax of FlatSpec, WordSpec, fixture.FlatSpec, and fixture.WordSpec.

    Provides an implicit conversion that adds must 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)" must "be empty" in { ... }
                       ^

    It also enables syntax such as the following shared test registration in FlatSpec and fixture.FlatSpec:

    "A Stack (with one item)" must 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)" must { ...
                       ^

    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" must 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 must methods on String in the MustMatchers trait. By contrast, there is no conflict with the separate MustVerb trait approach, because:

    • FlatSpec, WordSpec, fixture.FlatSpec, and fixture.WordSpec mix in MustVerb directly, and
    • MustMatchers extends MustVerb, overriding the convertToStringMustWrapper implicit conversion function.

    So whether or not a FlatSpec, WordSpec, fixture.FlatSpec, or fixture.WordSpec mixes in MustMatchers, there will only be one implicit conversion in scope that adds must methods to Strings.

    Also, because the class of the result of the overriding convertToStringMustWrapper implicit conversion method provided in MustMatchers extends this trait's StringMustWrapperForVerb class, the four uses of must provided here are still available. These four must are in fact available to any class that mixes in MustMatchers, but each takes an implicit parameter that is provided only in FlatSpec and fixture.FlatSpec, or WordSpec and fixture.WordSpec.

    Definition Classes
    words
  • StringMustWrapperForVerb
t

org.scalatest.words.MustVerb

StringMustWrapperForVerb

trait StringMustWrapperForVerb extends AnyRef

This class supports the syntax of FlatSpec, WordSpec, fixture.FlatSpec, and fixture.WordSpec.

This class is used in conjunction with an implicit conversion to enable must methods to be invoked on Strings.

Source
MustVerb.scala
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AnyRef, Any
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StringMustWrapper
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Abstract Value Members

  1. abstract val leftSideString: String
  2. abstract val pos: Position

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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  7. def equals(arg0: Any): Boolean
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  8. def finalize(): Unit
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  9. final def getClass(): Class[_]
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
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  12. def must(resultOfAfterWordApplication: ResultOfAfterWordApplication)(implicit swawr: SubjectWithAfterWordRegistration): Unit

    Supports the registration of subject descriptions with after words in WordSpec and fixture.WordSpec.

    Supports the registration of subject descriptions with after words in WordSpec and fixture.WordSpec.

    For example, this method enables syntax such as the following in WordSpec and fixture.WordSpec:

    def provide = afterWord("provide")

    "The ScalaTest Matchers DSL" must provide {
                             ^

    WordSpec passes in a function via the implicit parameter that takes two strings and a ResultOfAfterWordApplication and results in Unit. This method simply invokes this function, passing in leftSideString, the verb string "must", and the ResultOfAfterWordApplication passed to must.

  13. def must(right: ⇒ Unit)(implicit fun: StringVerbBlockRegistration): Unit

    Supports the registration of subject descriptions in WordSpec and fixture.WordSpec.

    Supports the registration of subject descriptions in WordSpec and fixture.WordSpec.

    For example, this method enables syntax such as the following in WordSpec and fixture.WordSpec:

    "A Stack (when empty)" must { ...
                       ^

    WordSpec passes in a function via the implicit parameter of type StringVerbBlockRegistration, a function that takes two strings and a no-arg function and results in Unit. This method simply invokes this function, passing in leftSideString, the verb string "must", and the right by-name parameter transformed into a no-arg function.

  14. def must(right: BehaveWord)(implicit svbli: StringVerbBehaveLikeInvocation): BehaveWord

    Supports shared test registration in FlatSpec and fixture.FlatSpec.

    Supports shared test registration in FlatSpec and fixture.FlatSpec.

    For example, this method enables syntax such as the following in FlatSpec and fixture.FlatSpec:

    "A Stack (with one item)" must behave like nonEmptyStack(stackWithOneItem, lastValuePushed)
                          ^

    FlatSpec and fixture.FlatSpec passes in a function via the implicit parameter that takes a string and results in a BehaveWord. This method simply invokes this function, passing in leftSideString, and returns the result.

  15. def must(right: String)(implicit svsi: StringVerbStringInvocation): ResultOfStringPassedToVerb

    Supports test registration in FlatSpec and fixture.FlatSpec.

    Supports test registration in FlatSpec and fixture.FlatSpec.

    For example, this method enables syntax such as the following in FlatSpec and fixture.FlatSpec:

    "A Stack (when empty)" must "be empty" in { ... }
                       ^

    FlatSpec passes in a function via the implicit parameter that takes three strings and results in a ResultOfStringPassedToVerb. This method simply invokes this function, passing in leftSideString, the verb string "must", and right, and returns the result.

  16. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  17. final def notify(): Unit
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  18. final def notifyAll(): Unit
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  19. final def synchronized[T0](arg0: ⇒ T0): T0
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  20. def toString(): String
    Definition Classes
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  21. final def wait(): Unit
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    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  23. final def wait(arg0: Long): Unit
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