Multiple dependencies

Tests can depend on more than one dependency, for example, the test blt depends on the bacon, lettuce, and tomato instance of ingredients:

# Copyright NTESS. See COPYRIGHT file for details.
#
# SPDX-License-Identifier: MIT

import canary

canary.directives.parameterize("type", ("eggs", "ham", "lettuce", "bacon", "tomato"))


def test():
    instance = canary.get_instance()
    assert instance is not None


if __name__ == "__main__":
    test()

# Copyright NTESS. See COPYRIGHT file for details.
#
# SPDX-License-Identifier: MIT

import sys

import canary

canary.directives.depends_on("ingredients.type=bacon")
canary.directives.depends_on("ingredients.type=lettuce")
canary.directives.depends_on("ingredients.type=tomato")


def blt() -> int:
    instance = canary.get_instance()
    for dep in instance.dependencies:
        assert dep.family == "ingredients"
        assert dep.parameters.type in ("bacon", "lettuce", "tomato")


if __name__ == "__main__":
    sys.exit(blt())

A graph of the dependency tree can be generated by canary find -g:

$ canary find -k 'not kitchen_sink' -g -r ./depends_on/multi
INFO: Collecting generator files from depends_on/multi
INFO: Instantiating generators from collected files
INFO: Generating test specs from generators
INFO: Searching for duplicated tests
INFO: Resolving test spec dependencies
INFO: Generated 8 test specs from 4 generators
INFO: Selecting specs based on 1 rules
INFO: Selected 7 test specs
INFO: Excluded 1 test spec during selection
                                                               
  Reason                                                Count  
 ───────────────────────────────────────────────────────────── 
  keyword expression 'not kitchen_sink' did not match       1  
                                                               
├── blt
│   ├── ingredients.type=bacon
│   ├── ingredients.type=lettuce
│   └── ingredients.type=tomato
└── green_eggs_and_ham
│   ├── ingredients.type=eggs
│   └── ingredients.type=ham

Pattern matches

Glob patterns can be used to match multiple dependencies, as demonstrated in the kitchen_sink test case:

# Copyright NTESS. See COPYRIGHT file for details.
#
# SPDX-License-Identifier: MIT

import sys

import canary

canary.directives.depends_on("ingredients.type=*")


def blt() -> int:
    instance = canary.get_instance()
    for dep in instance.dependencies:
        assert dep.family == "ingredients"


if __name__ == "__main__":
    sys.exit(blt())

A graph of the dependency tree can be generated by canary find -g:

$ canary find -k 'not green_eggs_and_ham and not blt' -g -r ./depends_on/multi
INFO: Collecting generator files from depends_on/multi
INFO: Instantiating generators from collected files
INFO: Generating test specs from generators
INFO: Searching for duplicated tests
INFO: Resolving test spec dependencies
INFO: Generated 8 test specs from 4 generators
INFO: Selecting specs based on 1 rules
INFO: Selected 6 test specs
INFO: Excluded 2 test specs during selection
                                                                                 
  Reason                                                                  Count  
 ─────────────────────────────────────────────────────────────────────────────── 
  keyword expression 'not green_eggs_and_ham and not blt' did not match       2  
                                                                                 
└── kitchen_sink
│   ├── ingredients.type=eggs
│   ├── ingredients.type=ham
│   ├── ingredients.type=lettuce
│   ├── ingredients.type=bacon
│   └── ingredients.type=tomato