Switches To Pytest As Test Runner

Switches the test runner from unittest to pytest, to allow the usage of
plugins such as xdist. This commit also adds pytest-cov purely as a
generator for .coverage files.

Signed-off-by: Hassan Abouelela <[email protected]>

5 files changed, 277 insertions, 84 deletions

diff --git a/.coveragerc b/.coveragerc
deleted file mode 100644
index d572bd705..000000000
--- a/.coveragerc
+++ /dev/null
@@ -1,5 +0,0 @@
-[run]
-branch = true
-source =
-    bot
-    tests
diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index d96f324ec..370b0b38b 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -97,12 +97,9 @@ jobs:
         --format='::error file=%(path)s,line=%(row)d,col=%(col)d::\
         [flake8] %(code)s: %(text)s'"
 
-      # We run `coverage` using the `python` command so we can suppress
-      # irrelevant warnings in our CI output.
       - name: Run tests and generate coverage report
         run: |
-            python -Wignore -m coverage run -m unittest
-            coverage report -m
+            pytest -n auto --cov bot --disable-warnings -q
 
       # This step will publish the coverage reports coveralls.io and
       # print a "job" link in the output of the GitHub Action
diff --git a/poetry.lock b/poetry.lock
index ba8b7af4b..a671d8a35 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -83,6 +83,14 @@ yarl = "*"
 develop = ["aiomisc (>=11.0,<12.0)", "async-generator", "coverage (!=4.3)", "coveralls", "pylava", "pytest", "pytest-cov", "tox (>=2.4)"]
 
 [[package]]
+name = "apipkg"
+version = "1.5"
+description = "apipkg: namespace control and lazy-import mechanism"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
 name = "appdirs"
 version = "1.4.4"
 description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
@@ -125,6 +133,14 @@ optional = false
 python-versions = ">=3.5.3"
 
 [[package]]
+name = "atomicwrites"
+version = "1.4.0"
+description = "Atomic file writes."
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
 name = "attrs"
 version = "21.2.0"
 description = "Classes Without Boilerplate"
@@ -155,7 +171,7 @@ lxml = ["lxml"]
 
 [[package]]
 name = "certifi"
-version = "2020.12.5"
+version = "2021.5.30"
 description = "Python package for providing Mozilla's CA Bundle."
 category = "main"
 optional = false
@@ -174,7 +190,7 @@ pycparser = "*"
 
 [[package]]
 name = "cfgv"
-version = "3.2.0"
+version = "3.3.0"
 description = "Validate configuration and produce human readable error messages."
 category = "dev"
 optional = false
@@ -268,7 +284,7 @@ voice = ["PyNaCl (>=1.3.0,<1.5)"]
 
 [[package]]
 name = "distlib"
-version = "0.3.1"
+version = "0.3.2"
 description = "Distribution utilities"
 category = "dev"
 optional = false
@@ -294,8 +310,22 @@ python-versions = "*"
 dev = ["pytest", "coverage", "coveralls"]
 
 [[package]]
+name = "execnet"
+version = "1.8.1"
+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.dependencies]
+apipkg = ">=1.4"
+
+[package.extras]
+testing = ["pre-commit"]
+
+[[package]]
 name = "fakeredis"
-version = "1.5.0"
+version = "1.5.1"
 description = "Fake implementation of redis API for testing purposes."
 category = "main"
 optional = false
@@ -467,7 +497,7 @@ pyreadline = {version = "*", markers = "sys_platform == \"win32\""}
 
 [[package]]
 name = "identify"
-version = "2.2.4"
+version = "2.2.9"
 description = "File identification library for Python"
 category = "dev"
 optional = false
@@ -478,11 +508,19 @@ license = ["editdistance-s"]
 
 [[package]]
 name = "idna"
-version = "3.1"
+version = "3.2"
 description = "Internationalized Domain Names in Applications (IDNA)"
 category = "main"
 optional = false
-python-versions = ">=3.4"
+python-versions = ">=3.5"
+
+[[package]]
+name = "iniconfig"
+version = "1.1.1"
+description = "iniconfig: brain-dead simple config-ini parsing"
+category = "dev"
+optional = false
+python-versions = "*"
 
 [[package]]
 name = "lxml"
@@ -520,7 +558,7 @@ python-versions = "*"
 
 [[package]]
 name = "more-itertools"
-version = "8.7.0"
+version = "8.8.0"
 description = "More routines for operating on iterables, beyond itertools"
 category = "main"
 optional = false
@@ -559,6 +597,17 @@ optional = false
 python-versions = ">=3.5"
 
 [[package]]
+name = "packaging"
+version = "20.9"
+description = "Core utilities for Python packages"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[package.dependencies]
+pyparsing = ">=2.0.2"
+
+[[package]]
 name = "pamqp"
 version = "2.3.0"
 description = "RabbitMQ Focused AMQP low-level library"
@@ -581,8 +630,19 @@ python-versions = "*"
 flake8-polyfill = ">=1.0.2,<2"
 
 [[package]]
+name = "pluggy"
+version = "0.13.1"
+description = "plugin and hook calling mechanisms for python"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[package.extras]
+dev = ["pre-commit", "tox"]
+
+[[package]]
 name = "pre-commit"
-version = "2.12.1"
+version = "2.13.0"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
 category = "dev"
 optional = false
@@ -608,8 +668,16 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 test = ["ipaddress", "mock", "unittest2", "enum34", "pywin32", "wmi"]
 
 [[package]]
+name = "py"
+version = "1.10.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
 name = "pycares"
-version = "3.2.3"
+version = "4.0.0"
 description = "Python interface for c-ares"
 category = "main"
 optional = false
@@ -639,7 +707,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pydocstyle"
-version = "6.0.0"
+version = "6.1.1"
 description = "Python docstring style checker"
 category = "dev"
 optional = false
@@ -648,6 +716,9 @@ python-versions = ">=3.6"
 [package.dependencies]
 snowballstemmer = "*"
 
+[package.extras]
+toml = ["toml"]
+
 [[package]]
 name = "pyflakes"
 version = "2.3.1"
@@ -657,6 +728,14 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
+name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "dev"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
 name = "pyreadline"
 version = "2.1"
 description = "A python implmementation of GNU readline."
@@ -665,6 +744,73 @@ optional = false
 python-versions = "*"
 
 [[package]]
+name = "pytest"
+version = "6.2.4"
+description = "pytest: simple powerful testing with Python"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
+attrs = ">=19.2.0"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+iniconfig = "*"
+packaging = "*"
+pluggy = ">=0.12,<1.0.0a1"
+py = ">=1.8.2"
+toml = "*"
+
+[package.extras]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
+
+[[package]]
+name = "pytest-cov"
+version = "2.12.1"
+description = "Pytest plugin for measuring coverage."
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.dependencies]
+coverage = ">=5.2.1"
+pytest = ">=4.6"
+toml = "*"
+
+[package.extras]
+testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]
+
+[[package]]
+name = "pytest-forked"
+version = "1.3.0"
+description = "run tests in isolated forked subprocesses"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[package.dependencies]
+py = "*"
+pytest = ">=3.10"
+
+[[package]]
+name = "pytest-xdist"
+version = "2.2.1"
+description = "pytest xdist plugin for distributed testing and loop-on-failing modes"
+category = "dev"
+optional = false
+python-versions = ">=3.5"
+
+[package.dependencies]
+execnet = ">=1.1"
+psutil = {version = ">=3.0", optional = true, markers = "extra == \"psutil\""}
+pytest = ">=6.0.0"
+pytest-forked = "*"
+
+[package.extras]
+psutil = ["psutil (>=3.0)"]
+testing = ["filelock"]
+
+[[package]]
 name = "python-dateutil"
 version = "2.8.1"
 description = "Extensions to the standard Python datetime module"
@@ -794,7 +940,7 @@ python-versions = "*"
 
 [[package]]
 name = "sortedcontainers"
-version = "2.3.0"
+version = "2.4.0"
 description = "Sorted Containers -- Sorted List, Sorted Dict, Sorted Set"
 category = "main"
 optional = false
@@ -847,20 +993,20 @@ python-versions = "*"
 
 [[package]]
 name = "urllib3"
-version = "1.26.4"
+version = "1.26.5"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
 
 [package.extras]
+brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
 socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
-brotli = ["brotlipy (>=0.6.0)"]
 
 [[package]]
 name = "virtualenv"
-version = "20.4.6"
+version = "20.4.7"
 description = "Virtual Python Environment builder"
 category = "dev"
 optional = false
@@ -891,7 +1037,7 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "3.9.*"
-content-hash = "ece3b915901a62911ff7ff4a616b3972e815c0e1c7097c8994163af13cadde0e"
+content-hash = "c1163e748d2fabcbcc267ea0eeccf4be6dfe5a468d769b6e5bc9023e8ab0a2bf"
 
 [metadata.files]
 aio-pika = [
@@ -953,6 +1099,10 @@ aiormq = [
     {file = "aiormq-3.3.1-py3-none-any.whl", hash = "sha256:e584dac13a242589aaf42470fd3006cb0dc5aed6506cbd20357c7ec8bbe4a89e"},
     {file = "aiormq-3.3.1.tar.gz", hash = "sha256:8218dd9f7198d6e7935855468326bbacf0089f926c70baa8dd92944cb2496573"},
 ]
+apipkg = [
+    {file = "apipkg-1.5-py2.py3-none-any.whl", hash = "sha256:58587dd4dc3daefad0487f6d9ae32b4542b185e1c36db6993290e7c41ca2b47c"},
+    {file = "apipkg-1.5.tar.gz", hash = "sha256:37228cda29411948b422fae072f57e31d3396d2ee1c9783775980ee9c9990af6"},
+]
 appdirs = [
     {file = "appdirs-1.4.4-py2.py3-none-any.whl", hash = "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"},
     {file = "appdirs-1.4.4.tar.gz", hash = "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41"},
@@ -969,6 +1119,10 @@ async-timeout = [
     {file = "async-timeout-3.0.1.tar.gz", hash = "sha256:0c3c816a028d47f659d6ff5c745cb2acf1f966da1fe5c19c77a70282b25f4c5f"},
     {file = "async_timeout-3.0.1-py3-none-any.whl", hash = "sha256:4291ca197d287d274d0b6cb5d6f8f8f82d434ed288f962539ff18cc9012f9ea3"},
 ]
+atomicwrites = [
+    {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
+    {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
+]
 attrs = [
     {file = "attrs-21.2.0-py2.py3-none-any.whl", hash = "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1"},
     {file = "attrs-21.2.0.tar.gz", hash = "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"},
@@ -979,8 +1133,8 @@ beautifulsoup4 = [
     {file = "beautifulsoup4-4.9.3.tar.gz", hash = "sha256:84729e322ad1d5b4d25f805bfa05b902dd96450f43842c4e99067d5e1369eb25"},
 ]
 certifi = [
-    {file = "certifi-2020.12.5-py2.py3-none-any.whl", hash = "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"},
-    {file = "certifi-2020.12.5.tar.gz", hash = "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c"},
+    {file = "certifi-2021.5.30-py2.py3-none-any.whl", hash = "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"},
+    {file = "certifi-2021.5.30.tar.gz", hash = "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee"},
 ]
 cffi = [
     {file = "cffi-1.14.5-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:bb89f306e5da99f4d922728ddcd6f7fcebb3241fc40edebcb7284d7514741991"},
@@ -1022,8 +1176,8 @@ cffi = [
     {file = "cffi-1.14.5.tar.gz", hash = "sha256:fd78e5fee591709f32ef6edb9a015b4aa1a5022598e36227500c8f4e02328d9c"},
 ]
 cfgv = [
-    {file = "cfgv-3.2.0-py2.py3-none-any.whl", hash = "sha256:32e43d604bbe7896fe7c248a9c2276447dbef840feb28fe20494f62af110211d"},
-    {file = "cfgv-3.2.0.tar.gz", hash = "sha256:cf22deb93d4bcf92f345a5c3cd39d3d41d6340adc60c78bbbd6588c384fda6a1"},
+    {file = "cfgv-3.3.0-py2.py3-none-any.whl", hash = "sha256:b449c9c6118fe8cca7fa5e00b9ec60ba08145d281d52164230a69211c5d597a1"},
+    {file = "cfgv-3.3.0.tar.gz", hash = "sha256:9e600479b3b99e8af981ecdfc80a0296104ee610cab48a5ae4ffd0b668650eb1"},
 ]
 chardet = [
     {file = "chardet-4.0.0-py2.py3-none-any.whl", hash = "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"},
@@ -1104,8 +1258,8 @@ deepdiff = [
     {file = "discord.py-1.6.0.tar.gz", hash = "sha256:ba8be99ff1b8c616f7b6dcb700460d0222b29d4c11048e74366954c465fdd05f"},
 ]
 distlib = [
-    {file = "distlib-0.3.1-py2.py3-none-any.whl", hash = "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb"},
-    {file = "distlib-0.3.1.zip", hash = "sha256:edf6116872c863e1aa9d5bb7cb5e05a022c519a4594dc703843343a9ddd9bff1"},
+    {file = "distlib-0.3.2-py2.py3-none-any.whl", hash = "sha256:23e223426b28491b1ced97dc3bbe183027419dfc7982b4fa2f05d5f3ff10711c"},
+    {file = "distlib-0.3.2.zip", hash = "sha256:106fef6dc37dd8c0e2c0a60d3fca3e77460a48907f335fa28420463a6f799736"},
 ]
 docopt = [
     {file = "docopt-0.6.2.tar.gz", hash = "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"},
@@ -1113,9 +1267,13 @@ docopt = [
 emoji = [
     {file = "emoji-0.6.0.tar.gz", hash = "sha256:e42da4f8d648f8ef10691bc246f682a1ec6b18373abfd9be10ec0b398823bd11"},
 ]
+execnet = [
+    {file = "execnet-1.8.1-py2.py3-none-any.whl", hash = "sha256:e840ce25562e414ee5684864d510dbeeb0bce016bc89b22a6e5ce323b5e6552f"},
+    {file = "execnet-1.8.1.tar.gz", hash = "sha256:7e3c2cdb6389542a91e9855a9cc7545fbed679e96f8808bcbb1beb325345b189"},
+]
 fakeredis = [
-    {file = "fakeredis-1.5.0-py3-none-any.whl", hash = "sha256:e0416e4941cecd3089b0d901e60c8dc3c944f6384f5e29e2261c0d3c5fa99669"},
-    {file = "fakeredis-1.5.0.tar.gz", hash = "sha256:1ac0cef767c37f51718874a33afb5413e69d132988cb6a80c6e6dbeddf8c7623"},
+    {file = "fakeredis-1.5.1-py3-none-any.whl", hash = "sha256:afeb843b031697b3faff0eef8eedadef110741486b37e2bfb95167617785040f"},
+    {file = "fakeredis-1.5.1.tar.gz", hash = "sha256:7f85faf640a0da564d8342a7d62936b07f23f4a85f756118fbd35b55f64f281c"},
 ]
 feedparser = [
     {file = "feedparser-6.0.2-py3-none-any.whl", hash = "sha256:f596c4b34fb3e2dc7e6ac3a8191603841e8d5d267210064e94d4238737452ddd"},
@@ -1212,12 +1370,16 @@ humanfriendly = [
     {file = "humanfriendly-9.1.tar.gz", hash = "sha256:066562956639ab21ff2676d1fda0b5987e985c534fc76700a19bd54bcb81121d"},
 ]
 identify = [
-    {file = "identify-2.2.4-py2.py3-none-any.whl", hash = "sha256:ad9f3fa0c2316618dc4d840f627d474ab6de106392a4f00221820200f490f5a8"},
-    {file = "identify-2.2.4.tar.gz", hash = "sha256:9bcc312d4e2fa96c7abebcdfb1119563b511b5e3985ac52f60d9116277865b2e"},
+    {file = "identify-2.2.9-py2.py3-none-any.whl", hash = "sha256:96c57d493184daecc7299acdeef0ad7771c18a59931ea927942df393688fe849"},
+    {file = "identify-2.2.9.tar.gz", hash = "sha256:3a8493cf49cfe4b28d50865e38f942c11be07a7b0aab8e715073e17f145caacc"},
 ]
 idna = [
-    {file = "idna-3.1-py3-none-any.whl", hash = "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16"},
-    {file = "idna-3.1.tar.gz", hash = "sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1"},
+    {file = "idna-3.2-py3-none-any.whl", hash = "sha256:14475042e284991034cb48e06f6851428fb14c4dc953acd9be9a5e95c7b6dd7a"},
+    {file = "idna-3.2.tar.gz", hash = "sha256:467fbad99067910785144ce333826c71fb0e63a425657295239737f7ecd125f3"},
+]
+iniconfig = [
+    {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
+    {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
 ]
 lxml = [
     {file = "lxml-4.6.3-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:df7c53783a46febb0e70f6b05df2ba104610f2fb0d27023409734a3ecbb78fb2"},
@@ -1276,8 +1438,8 @@ mccabe = [
     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 more-itertools = [
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 ]
+pytest = [
+    {file = "pytest-6.2.4-py3-none-any.whl", hash = "sha256:91ef2131a9bd6be8f76f1f08eac5c5317221d6ad1e143ae03894b862e8976890"},
+    {file = "pytest-6.2.4.tar.gz", hash = "sha256:50bcad0a0b9c5a72c8e4e7c9855a3ad496ca6a881a3641b4260605450772c54b"},
+]
+pytest-cov = [
+    {file = "pytest-cov-2.12.1.tar.gz", hash = "sha256:261ceeb8c227b726249b376b8526b600f38667ee314f910353fa318caa01f4d7"},
+    {file = "pytest_cov-2.12.1-py2.py3-none-any.whl", hash = "sha256:261bb9e47e65bd099c89c3edf92972865210c36813f80ede5277dceb77a4a62a"},
+]
+pytest-forked = [
+    {file = "pytest-forked-1.3.0.tar.gz", hash = "sha256:6aa9ac7e00ad1a539c41bec6d21011332de671e938c7637378ec9710204e37ca"},
+    {file = "pytest_forked-1.3.0-py2.py3-none-any.whl", hash = "sha256:dc4147784048e70ef5d437951728825a131b81714b398d5d52f17c7c144d8815"},
+]
+pytest-xdist = [
+    {file = "pytest-xdist-2.2.1.tar.gz", hash = "sha256:718887296892f92683f6a51f25a3ae584993b06f7076ce1e1fd482e59a8220a2"},
+    {file = "pytest_xdist-2.2.1-py3-none-any.whl", hash = "sha256:2447a1592ab41745955fb870ac7023026f20a5f0bfccf1b52a879bd193d46450"},
+]
 python-dateutil = [
     {file = "python-dateutil-2.8.1.tar.gz", hash = "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c"},
     {file = "python_dateutil-2.8.1-py2.py3-none-any.whl", hash = "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"},
@@ -1529,8 +1723,8 @@ snowballstemmer = [
     {file = "snowballstemmer-2.1.0.tar.gz", hash = "sha256:e997baa4f2e9139951b6f4c631bad912dfd3c792467e2f03d7239464af90e914"},
 ]
 sortedcontainers = [
-    {file = "sortedcontainers-2.3.0-py2.py3-none-any.whl", hash = "sha256:37257a32add0a3ee490bb170b599e93095eed89a55da91fa9f48753ea12fd73f"},
-    {file = "sortedcontainers-2.3.0.tar.gz", hash = "sha256:59cc937650cf60d677c16775597c89a960658a09cf7c1a668f86e1e4464b10a1"},
+    {file = "sortedcontainers-2.4.0-py2.py3-none-any.whl", hash = "sha256:a163dcaede0f1c021485e957a39245190e74249897e2ae4b2aa38595db237ee0"},
+    {file = "sortedcontainers-2.4.0.tar.gz", hash = "sha256:25caa5a06cc30b6b83d11423433f65d1f9d76c4c6a0c90e3379eaa43b9bfdb88"},
 ]
 soupsieve = [
     {file = "soupsieve-2.2.1-py3-none-any.whl", hash = "sha256:c2c1c2d44f158cdbddab7824a9af8c4f83c76b1e23e049479aa432feb6c4c23b"},
@@ -1554,12 +1748,12 @@ typing-extensions = [
     {file = "typing_extensions-3.10.0.0.tar.gz", hash = "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342"},
 ]
 urllib3 = [
-    {file = "urllib3-1.26.4-py2.py3-none-any.whl", hash = "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df"},
-    {file = "urllib3-1.26.4.tar.gz", hash = "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"},
+    {file = "urllib3-1.26.5-py2.py3-none-any.whl", hash = "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c"},
+    {file = "urllib3-1.26.5.tar.gz", hash = "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"},
 ]
 virtualenv = [
-    {file = "virtualenv-20.4.6-py2.py3-none-any.whl", hash = "sha256:307a555cf21e1550885c82120eccaf5acedf42978fd362d32ba8410f9593f543"},
-    {file = "virtualenv-20.4.6.tar.gz", hash = "sha256:72cf267afc04bf9c86ec932329b7e94db6a0331ae9847576daaa7ca3c86b29a4"},
+    {file = "virtualenv-20.4.7-py2.py3-none-any.whl", hash = "sha256:2b0126166ea7c9c3661f5b8e06773d28f83322de7a3ff7d06f0aed18c9de6a76"},
+    {file = "virtualenv-20.4.7.tar.gz", hash = "sha256:14fdf849f80dbb29a4eb6caa9875d476ee2a5cf76a5f5415fa2f1606010ab467"},
 ]
 yarl = [
     {file = "yarl-1.6.3-cp36-cp36m-macosx_10_14_x86_64.whl", hash = "sha256:0355a701b3998dcd832d0dc47cc5dedf3874f966ac7f870e0f3a6788d802d434"},
diff --git a/pyproject.toml b/pyproject.toml
index 320bf88cc..2c9181889 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,9 @@ pep8-naming = "~=0.9"
 pre-commit = "~=2.1"
 taskipy = "~=1.7.0"
 python-dotenv = "~=0.17.1"
+pytest = "~=6.2.4"
+pytest-cov = "~=2.12.1"
+pytest-xdist = { version = "~=2.2.1", extras = ["psutil"] }
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
@@ -58,6 +61,6 @@ lint = "pre-commit run --all-files"
 precommit = "pre-commit install"
 build = "docker build -t ghcr.io/python-discord/bot:latest -f Dockerfile ."
 push = "docker push ghcr.io/python-discord/bot:latest"
-test = "coverage run -m unittest"
+test = "pytest -n auto --cov-report= --cov bot "
 html = "coverage html"
 report = "coverage report"
diff --git a/tests/README.md b/tests/README.md
index 1a17c09bd..a757f96c6 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -11,10 +11,14 @@ We are using the following modules and packages for our unit tests:
 - [unittest](https://docs.python.org/3/library/unittest.html) (standard library)
 - [unittest.mock](https://docs.python.org/3/library/unittest.mock.html) (standard library)
 - [coverage.py](https://coverage.readthedocs.io/en/stable/)
+- [pytest-cov](https://pytest-cov.readthedocs.io/en/latest/index.html)
+
+We also use the following package as a test runner:
+- [pytest](https://docs.pytest.org/en/6.2.x/)
 
 To ensure the results you obtain on your personal machine are comparable to those generated in the CI, please make sure to run your tests with the virtual environment defined by our [Poetry Project](/pyproject.toml). To run your tests with `poetry`, we've provided two "scripts" shortcuts:
 
-- `poetry run task test` will run `unittest` with `coverage.py`
+- `poetry run task test` will run `pytest` with `pytest-cov`.
 - `poetry run task test path/to/test.py` will run a specific test.
 - `poetry run task report` will generate a coverage report of the tests you've run with `poetry run task test`. If you append the `-m` flag to this command, the report will include the lines and branches not covered by tests in addition to the test coverage report.