From 20254f7434d6821329646683ead7772f024b272e Mon Sep 17 00:00:00 2001
From: Jonathan Wren <jonathan@nowandwren.com>
Date: Sat, 25 Jun 2022 13:12:52 -0700
Subject: [PATCH] Run tests in parallel (#1519)

* Clean up pyproject file

This reduces the differences between local tasks and tasks run in the CI
pipelines

* remove linting step (it's part of test now)

* remove useless arg

* add xdist for parallel test execution in pytest
---
 poetry.lock    | 58 ++++++++++++++++++++++++++++++++++++++++++++++----
 pyproject.toml |  3 +++
 2 files changed, 57 insertions(+), 4 deletions(-)

diff --git a/poetry.lock b/poetry.lock
index e18a0197..7cfac23b 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -170,6 +170,17 @@ category = "dev"
 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 = "executing"
 version = "0.8.3"
@@ -732,6 +743,36 @@ pprintpp = ">=0.4.0"
 pytest = ">=3.5.0"
 rich = ">=8.0.0"
 
+[[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 = "python-dateutil"
 version = "2.8.2"
@@ -1010,13 +1051,10 @@ python-versions = ">=3.7"
 docs = ["sphinx", "jaraco.packaging (>=9)", "rst.linker (>=1.9)"]
 testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy (>=0.9.1)"]
 
-[extras]
-testing = []
-
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.9.0, <3.12"
-content-hash = "ceca9186ac31a0b8ec81a6cc134469842080c786971bb8642d9e67d51bd73fca"
+content-hash = "8f6875939de19061a92093ce15d9566f5e038f899effd64db5bc8590024129fa"
 
 [metadata.files]
 ansiwrap = [
@@ -1168,6 +1206,10 @@ distlib = [
     {file = "distlib-0.3.4-py2.py3-none-any.whl", hash = "sha256:6564fe0a8f51e734df6333d08b8b94d4ea8ee6b99b5ed50613f731fd4089f34b"},
     {file = "distlib-0.3.4.zip", hash = "sha256:e4b58818180336dc9c529bfb9a0b58728ffc09ad92027a3f30b7cd91e3458579"},
 ]
+execnet = [
+    {file = "execnet-1.9.0-py2.py3-none-any.whl", hash = "sha256:a295f7cc774947aac58dde7fdc85f4aa00c42adf5d8f5468fc630c1acf30a142"},
+    {file = "execnet-1.9.0.tar.gz", hash = "sha256:8f694f3ba9cc92cab508b152dcfe322153975c29bda272e2fd7f3f00f36e47c5"},
+]
 executing = [
     {file = "executing-0.8.3-py2.py3-none-any.whl", hash = "sha256:d1eef132db1b83649a3905ca6dd8897f71ac6f8cac79a7e58a1a09cf137546c9"},
     {file = "executing-0.8.3.tar.gz", hash = "sha256:c6554e21c6b060590a6d3be4b82fb78f8f0194d809de5ea7df1c093763311501"},
@@ -1390,6 +1432,14 @@ pytest-bdd = [
 pytest-clarity = [
     {file = "pytest-clarity-1.0.1.tar.gz", hash = "sha256:505fe345fad4fe11c6a4187fe683f2c7c52c077caa1e135f3e483fe112db7772"},
 ]
+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"},
+]
 python-dateutil = [
     {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
     {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
diff --git a/pyproject.toml b/pyproject.toml
index 175dfa00..73569ff3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,6 +52,7 @@ pyproject-flake8 = "*"
 pytest = ">=6.2"
 pytest-bdd = ">=4.0.1"
 pytest-clarity = "*"
+pytest-xdist = ">=2.5.0"
 toml = ">=0.10"
 tox = "*"
 yq = "*"
@@ -119,6 +120,7 @@ addopts = [
   "--pdbcls=IPython.terminal.debugger:Pdb",
   "--gherkin-terminal-reporter",
   "--tb=native",
+  "-n=auto",
 ]
 
 filterwarnings = [
@@ -147,6 +149,7 @@ isolated_build = True
 deps =
   pytest >= 6.2
   pytest-bdd >=4.0.1
+  pytest-xdist >=2.5.0
   toml >=0.10
 
 commands = pytest {posargs}