Spectator::Matchers::StandardMatcher
Inherits Spectator::Matchers::Matcher / Struct / Value / Object
Provides common methods for matchers.
The #match and #negated_match methods have an implementation
that is suitable for most matchers.
Matchers based on this class need to define #match? and #failure_message.
If the matcher can be negated,
the #failure_message_when_negated method needs to be overridden.
Additionally, the #does_not_match? method can be specified
if there's custom behavior for negated matches.
If the matcher operates on or has extra data that is useful for debug,
then the #values and #negated_values methods can be overridden.
Finally, define a #description message that can be used for the one-liner "it" syntax.
Instance methods
Actually performs the test against the expression (value or block).
This method calls the abstract #match? method.
If it returns true, then a SuccessfulMatchData instance is returned.
Otherwise, a FailedMatchData instance is returned.
Additionally, #failure_message and #values are called for a failed match.
Performs the test against the expression (value or block), but inverted.
A successful match with #match should normally fail for this method, and vice-versa.
This method calls the abstract #does_not_match? method.
If it returns true, then a SuccessfulMatchData instance is returned.
Otherwise, a FailedMatchData instance is returned.
Additionally, #failure_message_when_negated and #negated_values are called for a failed match.