make test: add to Makefile & enabled parallel runs

parallel pytest via pytest-xdist

Makefile

@@ -35,6 +35,10 @@ lint: lint-black lint-isort mypy ## check the code with various linters
 .PHONY: lint-apply
 lint-apply: lint-black-apply lint-isort-apply ## apply all the linter's suggestions
 
+.PHONT: test
+test:  ## run tests in parallel
+	pytest -v -n 4
+
 # Makefile self-help borrowed from the securedrop-client project
 # Explaination of the below shell command should it ever break.
 # 1. Set the field separator to ": ##" and any make targets that might appear between : and ##

poetry.lock

@@ -107,6 +107,17 @@ category = "main"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "execnet"
+version = "1.9.0"
+description = "execnet: rapid multi-Python deployment"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.extras]
+testing = ["pre-commit"]
+
 [[package]]
 name = "future"
 version = "0.18.2"
@@ -363,6 +374,36 @@ tomli = ">=1.0.0"
 [package.extras]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "xmlschema"]
 
+[[package]]
+name = "pytest-forked"
+version = "1.4.0"
+description = "run tests in isolated forked subprocesses"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+py = "*"
+pytest = ">=3.10"
+
+[[package]]
+name = "pytest-xdist"
+version = "2.5.0"
+description = "pytest xdist plugin for distributed testing and loop-on-failing modes"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+execnet = ">=1.1"
+pytest = ">=6.2.0"
+pytest-forked = "*"
+
+[package.extras]
+psutil = ["psutil (>=3.0)"]
+setproctitle = ["setproctitle"]
+testing = ["filelock"]
+
 [[package]]
 name = "pywin32"
 version = "304"
@@ -442,7 +483,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.7,<3.10"
-content-hash = "7195c9efbd8ce5a83a3f11fc0a86b28673ca657b139ca6773832ac7365579726"
+content-hash = "68a5420980ed8bde61aa520512543412374970408a6c593e7237f59258bc5c12"
 
 [metadata.files]
 altgraph = [
@@ -535,6 +576,10 @@ cx-logging = [
     {file = "cx_Logging-3.0-cp39-cp39-win_amd64.whl", hash = "sha256:302e9c4f65a936c288a4fa59a90e7e142d9ef994aa29676731acafdcccdbb3f5"},
     {file = "cx_Logging-3.0.tar.gz", hash = "sha256:ba8a7465facf7b98d8f494030fb481a2e8aeee29dc191e10383bb54ed42bdb34"},
 ]
+execnet = [
+    {file = "execnet-1.9.0-py2.py3-none-any.whl", hash = "sha256:a295f7cc774947aac58dde7fdc85f4aa00c42adf5d8f5468fc630c1acf30a142"},
+    {file = "execnet-1.9.0.tar.gz", hash = "sha256:8f694f3ba9cc92cab508b152dcfe322153975c29bda272e2fd7f3f00f36e47c5"},
+]
 future = [
     {file = "future-0.18.2.tar.gz", hash = "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"},
 ]
@@ -677,6 +722,14 @@ pytest = [
     {file = "pytest-7.1.2-py3-none-any.whl", hash = "sha256:13d0e3ccfc2b6e26be000cb6568c832ba67ba32e719443bfe725814d3c42433c"},
     {file = "pytest-7.1.2.tar.gz", hash = "sha256:a06a0425453864a270bc45e71f783330a7428defb4230fb5e6a731fde06ecd45"},
 ]
+pytest-forked = [
+    {file = "pytest-forked-1.4.0.tar.gz", hash = "sha256:8b67587c8f98cbbadfdd804539ed5455b6ed03802203485dd2f53c1422d7440e"},
+    {file = "pytest_forked-1.4.0-py3-none-any.whl", hash = "sha256:bbbb6717efc886b9d64537b41fb1497cfaf3c9601276be8da2cccfea5a3c8ad8"},
+]
+pytest-xdist = [
+    {file = "pytest-xdist-2.5.0.tar.gz", hash = "sha256:4580deca3ff04ddb2ac53eba39d76cb5dd5edeac050cb6fbc768b0dd712b4edf"},
+    {file = "pytest_xdist-2.5.0-py3-none-any.whl", hash = "sha256:6fe5c74fec98906deb8f2d2b616b5c782022744978e7bd4695d39c8f42d0ce65"},
+]
 pywin32 = [
     {file = "pywin32-304-cp310-cp310-win32.whl", hash = "sha256:3c7bacf5e24298c86314f03fa20e16558a4e4138fc34615d7de4070c23e65af3"},
     {file = "pywin32-304-cp310-cp310-win_amd64.whl", hash = "sha256:4f32145913a2447736dad62495199a8e280a77a0ca662daa2332acf849f0be48"},

pyproject.toml

@@ -25,6 +25,7 @@ mypy = "*"
 PySide2-stubs = "*"
 strip-ansi = "*"
 pytest = "^7.1.2"
+pytest-xdist = "^2.5.0"
 
 [tool.poetry.scripts]
 dangerzone = 'dangerzone:main'