From 058057a228d733f0db9f16b8fd60ec0d7ba977f1 Mon Sep 17 00:00:00 2001
From: Jack Viljoen <javiljoen@users.noreply.github.com>
Date: Tue, 26 Nov 2019 11:46:53 +0200
Subject: [PATCH] Add coverage commands to tox & Makefile

---
 Makefile             | 17 ++++++++++++++++-
 requirements-dev.txt |  1 +
 tox.ini              | 17 ++++++++++++++++-
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 6579dee..b9d18b6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,18 @@
-.PHONY: help clean clean-pyc clean-build lint test test-all build upload
+.PHONY: help clean clean-all clean-pyc clean-build clean-caches lint test coverage test-all build upload
 
 help:
 	@echo "clean - remove Python file & build artifacts"
 	@echo "lint - run linters to check the code style and formatting"
 	@echo "test - run tests with the default Python"
+	@echo "coverage - generate test coverage report with the default Python"
 	@echo "test-all - run tests in multiple environments"
 	@echo "build - package"
 	@echo "upload - release package to PyPI"
 
 clean: clean-build clean-pyc
 
+clean-all: clean clean-caches
+
 clean-build:
 	rm -fr build/
 	rm -fr dist/
@@ -22,6 +25,13 @@ clean-pyc:
 	find . -name __pycache__ -type d -exec rmdir {} +
 	rm -fr .cache/
 
+clean-caches:
+	rm -fr .eggs/
+	rm -fr .hypothesis/
+	rm -fr .pytest_cache/
+	rm -fr .tox/
+	rm -fr htmlcov/
+
 lint:
 	flake8 lttb tests
 	black --check .
@@ -29,6 +39,11 @@ lint:
 test:
 	pytest -n 2
 
+coverage:
+	coverage run -m pytest
+	coverage html
+	coverage erase
+
 test-all:
 	PYENV_VERSION="" tox -p 2
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 49f948d..1a0fca8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,5 @@
 black
+coverage
 flake8
 flake8-bugbear
 hypothesis[numpy]
diff --git a/tox.ini b/tox.ini
index cf8a47a..f6f7314 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py35, py38
+envlist = py27, py35, py38, coverage
 
 [testenv]
 deps =
@@ -11,6 +11,21 @@ deps =
 
 commands = pytest
 
+[testenv:coverage]
+deps =
+    pytest
+    coverage
+    hypothesis
+
+commands =
+    coverage run -m pytest
+    coverage report
+    coverage erase
+
+[coverage:run]
+branch = true
+source = lttb
+
 [flake8]
 max-line-length = 80
 select = C,E,F,W,B,B950
-- 
2.45.2