Container matchers

`DictContainingKeys`

Matches any dictionary containing at least all the given keys. Additional items are ignored.

Parameters:

Name	Type	Description	Default
`keys`	`set`	set of keys to match	required

Matches any dictionary containing all the given values

Parameters:

Name	Type	Description	Default
`values`	`list`	list of values to match	required

Matches any dictionary containing all the given items, where an item is a key-value pair.

Parameters:

Name	Type	Description	Default
`items`	`dict`	dict of items to match	required

Matches any list containing at least all the given items in any order. Additional items are ignored.

Compare with [ListContainingOnly][ListContainingOnly].

Parameters:

Name	Type	Description	Default
`items`	`list`	items to check for	required

Matches a list, if and only if it contains all of the given items, in any order, and no additional items.

Compare with [ListContaining][ListContaining].

Parameters:

Name	Type	Description	Default
`items`	`list`	the expected items.	required

Matches any list of a given length

Parameters:

Name	Type	Description	Default
`length`	`int`	the expected length of the list	required

Raises:

Type	Description
`ValueError`	length is < 0

Matches any set containing at least all the given items. Additional items are ignored.

Parameters:

Name	Type	Description	Default
`items`	`set`	items to check for	required

Matches any object containing all the given properties. Note that this does not check property values - just the presence of those properties.

Parameters:

Name	Type	Description	Default
`properties`	`set`	set of properties to match	required

Matches any object containing all the given items, where an item is a property-value pair.

Parameters:

Name	Type	Description	Default
`items`	`dict`	dict of items to match	required