Add tests for dependency-groups parser

pyproject_parser/__init__.py

@@ -323,6 +323,7 @@ def load(
 		keys = set(config.keys())
 
 		build_system_table: Optional[BuildSystemDict] = None
+		dependency_groups_table: Optional[DependencyGroupsDict] = None
 		project_table: Optional[ProjectDict] = None
 		tool_table: Dict[str, Dict[str, Any]] = {}
 
@@ -392,6 +393,7 @@ def dumps(
 				"build-system": self.build_system,
 				"project": self.project,
 				"tool": self.tool,
+				"dependency-groups": self.dependency_groups,
 				}
 
 		if toml_dict["project"] is not None:
@@ -495,6 +497,8 @@ def from_dict(cls: Type[_PP], d: Mapping[str, Any]) -> _PP:
 		for key, value in d.items():
 			if key == "build-system":
 				key = "build_system"
+			elif key == "dependency-groups":
+				key = "dependency_groups"
 
 			kwargs[key] = value
 
@@ -511,4 +515,5 @@ def to_dict(self) -> MutableMapping[str, Any]:
 				"build_system": self.build_system,
 				"project": self.project,
 				"tool": self.tool,
+				"dependency_groups": self.dependency_groups,
 				}

pyproject_parser/parsers.py

@@ -55,6 +55,7 @@
 __all__ = [
 		"RequiredKeysConfigParser",
 		"BuildSystemParser",
+		"DependencyGroupsParser",
 		"PEP621Parser",
 		]
 
@@ -286,13 +287,13 @@ def parse_group(config: TOML_TYPES) -> List[Union[str, Dict[str, str]]]:
 		if isinstance(config, list):
 			return config
 
-		raise BadConfigError("A group must be a list.")
+		raise BadConfigError("A dependency group must be an array.")
 
-	def parse(  # type: ignore[override]
-		self,
-		config: Dict[str, TOML_TYPES],
-		set_defaults: bool = False,
-		) -> BuildSystemDict:
+	def parse(
+			self,
+			config: Dict[str, TOML_TYPES],
+			set_defaults: bool = False,
+			) -> DependencyGroupsDict:
 		"""
 		Parse the TOML configuration.
 

pyproject_parser/type_hints.py

@@ -40,6 +40,8 @@
 
 __all__ = [
 		"BuildSystemDict",
+		"IncludeGroupDict",
+		"DependencyGroupsDict",
 		"Dynamic",
 		"ProjectDict",
 		"Author",

tests/conftest.py

@@ -2,6 +2,7 @@
 from typing import Callable, Type, TypeVar, Union
 
 # 3rd party
+from dom_toml.decoder import InlineTableDict
 from packaging.markers import Marker
 from packaging.requirements import Requirement
 from packaging.specifiers import SpecifierSet
@@ -46,3 +47,11 @@ def represent_readme_or_license(  # noqa: MAN002
 		data: Union[Readme, License],
 		):
 	return dumper.represent_dict(data.to_dict())
+
+
+@_representer_for(InlineTableDict)
+def represent_inline_table(  # noqa: MAN002
+		dumper: RegressionYamlDumper,
+		data: InlineTableDict,
+		):
+	return dumper.represent_dict(dict(data))

tests/test_cli.py

@@ -27,6 +27,15 @@
 from pyproject_parser.cli import ConfigTracebackHandler
 from tests.test_dumping import COMPLETE_UNDERSCORE_NAME, UNORDERED
 
+COMPLETE_DEPENDENCY_GROUPS = COMPLETE_A + """
+
+[dependency-groups]
+test = ["pytest", "coverage"]
+docs = ["sphinx", "sphinx-rtd-theme"]
+typing = ["mypy", "types-requests"]
+typing-test = [{include-group = "typing"}, {include-group = "test"}, "useful-types"]
+"""
+
 
 @pytest.mark.parametrize(
 		"toml_string",
@@ -37,6 +46,7 @@
 				pytest.param(COMPLETE_PROJECT_A, id="COMPLETE_PROJECT_A"),
 				pytest.param(UNORDERED, id="UNORDERED"),
 				pytest.param(COMPLETE_UNDERSCORE_NAME, id="COMPLETE_UNDERSCORE_NAME"),
+				pytest.param(COMPLETE_DEPENDENCY_GROUPS, id="COMPLETE_DEPENDENCY_GROUPS"),
 				]
 		)
 @pytest.mark.parametrize("show_diff", [True, False])
@@ -177,7 +187,7 @@ def test_check_extra_deprecation_warning(
 						),
 				pytest.param(
 						"[coverage]\nomit = 'demo.py'\n[flake8]\nselect = ['F401']",
-						"Unexpected top-level key 'coverage'. Only 'build-system', 'project' and 'tool' are allowed.",
+						"Unexpected top-level key 'coverage'. Only 'build-system', 'dependency-groups', 'project' and 'tool' are allowed.",
 						id="top-level",
 						),
 				pytest.param(

tests/test_cli_/test_check_error_caught_top_level_.txt

@@ -1,3 +1,3 @@
-BadConfigError: Unexpected top-level key 'coverage'. Only 'build-system', 'project' and 'tool' are allowed.
+BadConfigError: Unexpected top-level key 'coverage'. Only 'build-system', 'dependency-groups', 'project' and 'tool' are allowed.
     Use '--traceback' to view the full traceback.
 Aborted!

tests/test_cli_/test_reformat_False_COMPLETE_DEPENDENCY_GROUPS_.diff

@@ -0,0 +1 @@
+Reformatting 'pyproject.toml'

tests/test_cli_/test_reformat_False_COMPLETE_DEPENDENCY_GROUPS_.toml

@@ -0,0 +1,34 @@
+[build-system]
+requires = [ "whey",]
+build-backend = "whey"
+
+[project]
+name = "whey"
+version = "2021.0.0"
+description = "A simple Python wheel builder for simple projects."
+keywords = [ "build", "distribution", "packaging", "pep517", "pep621", "sdist", "wheel",]
+dependencies = [ 'django>2.1; os_name != "nt"', 'django>2.0; os_name == "nt"', "gidgethub[httpx]>4.0.0", "httpx",]
+dynamic = [ "classifiers", "requires-python",]
+
+[[project.authors]]
+name = "Dominic Davis-Foster"
+email = "dominic@davis-foster.co.uk"
+
+[project.urls]
+Homepage = "https://whey.readthedocs.io/en/latest"
+Documentation = "https://whey.readthedocs.io/en/latest"
+"Issue Tracker" = "https://github.com/repo-helper/whey/issues"
+"Source Code" = "https://github.com/repo-helper/whey"
+
+[tool.whey]
+base-classifiers = [ "Development Status :: 4 - Beta",]
+python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10",]
+python-implementations = [ "CPython", "PyPy",]
+platforms = [ "Windows", "macOS", "Linux",]
+license-key = "MIT"
+
+[dependency-groups]
+test = [ "pytest", "coverage",]
+docs = [ "sphinx", "sphinx-rtd-theme",]
+typing = [ "mypy", "types-requests",]
+typing-test = [ { include-group = "typing" }, { include-group = "test" }, "useful-types",]

tests/test_cli_/test_reformat_True_COMPLETE_DEPENDENCY_GROUPS_.diff

@@ -0,0 +1,41 @@
+Reformatting 'pyproject.toml'
+--- pyproject.toml	(original)
++++ pyproject.toml	(reformatted)
+@@ -6,18 +6,13 @@
+ name = "whey"
+ version = "2021.0.0"
+ description = "A simple Python wheel builder for simple projects."
+-keywords = [ "pep517", "pep621", "build", "sdist", "wheel", "packaging", "distribution",]
++keywords = [ "build", "distribution", "packaging", "pep517", "pep621", "sdist", "wheel",]
++dependencies = [ 'django>2.1; os_name != "nt"', 'django>2.0; os_name == "nt"', "gidgethub[httpx]>4.0.0", "httpx",]
+ dynamic = [ "classifiers", "requires-python",]
+-dependencies = [
+-  "httpx",
+-  "gidgethub[httpx]>4.0.0",
+-  "django>2.1; os_name != 'nt'",
+-  "django>2.0; os_name == 'nt'"
+-]
+
+ [[project.authors]]
++name = "Dominic Davis-Foster"
+ email = "dominic@davis-foster.co.uk"
+-name = "Dominic Davis-Foster"
+
+ [project.urls]
+ Homepage = "https://whey.readthedocs.io/en/latest"
+@@ -32,10 +27,9 @@
+ platforms = [ "Windows", "macOS", "Linux",]
+ license-key = "MIT"
+
++[dependency-groups]
++test = [ "pytest", "coverage",]
++docs = [ "sphinx", "sphinx-rtd-theme",]
++typing = [ "mypy", "types-requests",]
++typing-test = [ { include-group = "typing" }, { include-group = "test" }, "useful-types",]
+
+-[dependency-groups]
+-test = ["pytest", "coverage"]
+-docs = ["sphinx", "sphinx-rtd-theme"]
+-typing = ["mypy", "types-requests"]
+-typing-test = [{include-group = "typing"}, {include-group = "test"}, "useful-types"]
+-

tests/test_cli_/test_reformat_True_COMPLETE_DEPENDENCY_GROUPS_.toml

@@ -0,0 +1,34 @@
+[build-system]
+requires = [ "whey",]
+build-backend = "whey"
+
+[project]
+name = "whey"
+version = "2021.0.0"
+description = "A simple Python wheel builder for simple projects."
+keywords = [ "build", "distribution", "packaging", "pep517", "pep621", "sdist", "wheel",]
+dependencies = [ 'django>2.1; os_name != "nt"', 'django>2.0; os_name == "nt"', "gidgethub[httpx]>4.0.0", "httpx",]
+dynamic = [ "classifiers", "requires-python",]
+
+[[project.authors]]
+name = "Dominic Davis-Foster"
+email = "dominic@davis-foster.co.uk"
+
+[project.urls]
+Homepage = "https://whey.readthedocs.io/en/latest"
+Documentation = "https://whey.readthedocs.io/en/latest"
+"Issue Tracker" = "https://github.com/repo-helper/whey/issues"
+"Source Code" = "https://github.com/repo-helper/whey"
+
+[tool.whey]
+base-classifiers = [ "Development Status :: 4 - Beta",]
+python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10",]
+python-implementations = [ "CPython", "PyPy",]
+platforms = [ "Windows", "macOS", "Linux",]
+license-key = "MIT"
+
+[dependency-groups]
+test = [ "pytest", "coverage",]
+docs = [ "sphinx", "sphinx-rtd-theme",]
+typing = [ "mypy", "types-requests",]
+typing-test = [ { include-group = "typing" }, { include-group = "test" }, "useful-types",]

tests/test_config.py

@@ -18,7 +18,12 @@
 from shippinglabel import normalize_keep_dot
 
 # this package
-from pyproject_parser.parsers import BuildSystemParser, PEP621Parser, RequiredKeysConfigParser
+from pyproject_parser.parsers import (
+		BuildSystemParser,
+		DependencyGroupsParser,
+		PEP621Parser,
+		RequiredKeysConfigParser
+		)
 from pyproject_parser.utils import PyProjectDeprecationWarning, _load_toml
 
 
@@ -555,3 +560,46 @@ class MyConfigParser(RequiredKeysConfigParser):
 
 	assert MyConfigParser().parse({}, set_defaults=True) == {"foo": "foo-default", "bar": "bar-defaults"}
 	assert MyConfigParser().parse({"foo": "baz"}, set_defaults=True) == {"foo": "baz", "bar": "bar-defaults"}
+
+
+valid_dependency_groups_config = [
+		pytest.param("[dependency-groups]", id="empty"),
+		pytest.param('[dependency-groups]\ngroup-a = ["foo"]', id="one-group"),
+		pytest.param(
+				'[dependency-groups]\ngroup-a = ["foo"]\ngroup-b = ["foo>1.0"]\ngroup-c = ["foo<1.0"]\nall = ["foo", {include-group = "group-a"}, {include-group = "group-b"}, {include-group = "group-c"}]',
+				id="full-example"
+				),
+		]
+
+bad_dependency_groups_config = [
+		pytest.param(
+				'[dependency-groups]\ngroup-a = "foo"', BadConfigError, "A dependency group must be an array"
+				),
+		]
+
+
+@pytest.mark.parametrize("set_defaults", [True, False])
+@pytest.mark.parametrize("toml_config", valid_dependency_groups_config)
+def test_dependency_groups_parser_valid_config(
+		toml_config: str,
+		tmp_pathplus: PathPlus,
+		advanced_data_regression: AdvancedDataRegressionFixture,
+		set_defaults: bool,
+		):
+	(tmp_pathplus / "pyproject.toml").write_clean(toml_config)
+	config = DependencyGroupsParser().parse(
+			_load_toml(tmp_pathplus / "pyproject.toml")["dependency-groups"],
+			set_defaults=set_defaults,
+			)
+
+	advanced_data_regression.check(config)
+
+
+@pytest.mark.parametrize("config, expects, match", bad_dependency_groups_config)
+def test_dependency_groups_parser_errors(
+		config: str, expects: Type[Exception], match: str, tmp_pathplus: PathPlus
+		):
+	(tmp_pathplus / "pyproject.toml").write_clean(config)
+
+	with in_directory(tmp_pathplus), pytest.raises(expects, match=match):
+		DependencyGroupsParser().parse(_load_toml(tmp_pathplus / "pyproject.toml")["dependency-groups"])

tests/test_config_/test_dependency_groups_parser_valid_config_empty_False_.yml

@@ -0,0 +1 @@
+{}

tests/test_config_/test_dependency_groups_parser_valid_config_empty_True_.yml

@@ -0,0 +1 @@
+{}

tests/test_config_/test_dependency_groups_parser_valid_config_full_example_False_.yml

@@ -0,0 +1,11 @@
+all:
+- foo
+- include-group: group-a
+- include-group: group-b
+- include-group: group-c
+group-a:
+- foo
+group-b:
+- foo>1.0
+group-c:
+- foo<1.0

tests/test_config_/test_dependency_groups_parser_valid_config_full_example_True_.yml

@@ -0,0 +1,11 @@
+all:
+- foo
+- include-group: group-a
+- include-group: group-b
+- include-group: group-c
+group-a:
+- foo
+group-b:
+- foo>1.0
+group-c:
+- foo<1.0

tests/test_config_/test_dependency_groups_parser_valid_config_one_group_False_.yml

@@ -0,0 +1,2 @@
+group-a:
+- foo

tests/test_config_/test_dependency_groups_parser_valid_config_one_group_True_.yml

@@ -0,0 +1,2 @@
+group-a:
+- foo

tests/test_pyproject_class.py

@@ -17,8 +17,24 @@
 # this package
 from pyproject_parser import PyProject
 
+COMPLETE_DEPENDENCY_GROUPS = COMPLETE_A + """
 
-@pytest.mark.parametrize("toml_config", [*valid_pep621_config, *valid_buildsystem_config])
+[dependency-groups]
+test = ["pytest", "coverage"]
+docs = ["sphinx", "sphinx-rtd-theme"]
+typing = ["mypy", "types-requests"]
+typing-test = [{include-group = "typing"}, {include-group = "test"}, "useful-types"]
+"""
+
+
+@pytest.mark.parametrize(
+		"toml_config",
+		[
+				*valid_pep621_config,
+				*valid_buildsystem_config,
+				pytest.param(COMPLETE_DEPENDENCY_GROUPS, id="complete-dependency-groups"),
+				]
+		)
 def test_valid_config(
 		toml_config: str,
 		tmp_pathplus: PathPlus,
@@ -81,13 +97,13 @@ def test_valid_config_resolve_files(
 				pytest.param(
 						'banana = "fruit"\n[project]\nname = "food"',
 						BadConfigError,
-						"Unexpected top-level key 'banana'. Only 'build-system', 'project' and 'tool' are allowed.",
+						"Unexpected top-level key 'banana'. Only 'build-system', 'dependency-groups', 'project' and 'tool' are allowed.",
 						id="unexpected_top_level"
 						),
 				pytest.param(
 						"[coverage]\nomit = 'demo.py'\n[flake8]\nselect = ['F401']",
 						BadConfigError,
-						"Unexpected top-level key 'coverage'. Only 'build-system', 'project' and 'tool' are allowed.",
+						"Unexpected top-level key 'coverage'. Only 'build-system', 'dependency-groups', 'project' and 'tool' are allowed.",
 						id="top-level",
 						),
 				pytest.param(

tests/test_pyproject_class_/test_custom_pyproject_class_COMPLETE_A_.yml

@@ -2,6 +2,7 @@ build_system:
   build-backend: whey
   requires:
   - whey
+dependency_groups: null
 project:
   authors:
   - email: dominic@davis-foster.co.uk

tests/test_pyproject_class_/test_custom_pyproject_class_COMPLETE_B_.yml

@@ -2,6 +2,7 @@ build_system:
   build-backend: whey
   requires:
   - whey
+dependency_groups: null
 project:
   authors:
   - email: dominic@davis-foster.co.uk

tests/test_pyproject_class_/test_custom_pyproject_class_COMPLETE_PROJECT_A_.yml

@@ -1,4 +1,5 @@
 build_system: null
+dependency_groups: null
 project:
   authors:
   - email: hi@pradyunsg.me