From 8ca53fb53e1601f83c68a464b3390b4e22f25233 Mon Sep 17 00:00:00 2001
From: Amber Brown <hawkowl@atleastfornow.net>
Date: Wed, 28 Nov 2018 20:59:31 +1100
Subject: [PATCH] Report combined coverage to codecov (#4225)

---
 .travis.yml           | 10 +++++-----
 changelog.d/4225.misc |  1 +
 tox.ini               | 29 +++++++++++++++++------------
 3 files changed, 23 insertions(+), 17 deletions(-)
 create mode 100644 changelog.d/4225.misc

diff --git a/.travis.yml b/.travis.yml
index 655fab9d8e..84d5efff9b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,24 +36,24 @@ matrix:
     env: TOX_ENV="pep8,check_isort"
 
   - python: 2.7
-    env: TOX_ENV=py27 TRIAL_FLAGS="-j 2"
+    env: TOX_ENV=py27,codecov TRIAL_FLAGS="-j 2"
 
   - python: 2.7
     env: TOX_ENV=py27-old TRIAL_FLAGS="-j 2"
 
   - python: 2.7
-    env: TOX_ENV=py27-postgres TRIAL_FLAGS="-j 4"
+    env: TOX_ENV=py27-postgres,codecov TRIAL_FLAGS="-j 4"
     services:
       - postgresql
 
   - python: 3.5
-    env: TOX_ENV=py35 TRIAL_FLAGS="-j 2"
+    env: TOX_ENV=py35,codecov TRIAL_FLAGS="-j 2"
 
   - python: 3.6
-    env: TOX_ENV=py36 TRIAL_FLAGS="-j 2"
+    env: TOX_ENV=py36,codecov TRIAL_FLAGS="-j 2"
 
   - python: 3.6
-    env: TOX_ENV=py36-postgres TRIAL_FLAGS="-j 4"
+    env: TOX_ENV=py36-postgres,codecov TRIAL_FLAGS="-j 4"
     services:
       - postgresql
 
diff --git a/changelog.d/4225.misc b/changelog.d/4225.misc
new file mode 100644
index 0000000000..39062696ea
--- /dev/null
+++ b/changelog.d/4225.misc
@@ -0,0 +1 @@
+Added automated coverage reporting to CI.
diff --git a/tox.ini b/tox.ini
index dfd9afdd49..731094b5da 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,7 @@ deps =
     mock
     python-subunit
     junitxml
+    coverage
 
     # needed by some of the tests
     lxml
@@ -27,11 +28,15 @@ deps =
 
 setenv =
     PYTHONDONTWRITEBYTECODE = no_byte_code
+    COVERAGE_PROCESS_START = {toxinidir}/.coveragerc
 
 [testenv]
 deps =
     {[base]deps}
 
+whitelist_externals =
+    sh
+
 setenv =
     {[base]setenv}
 
@@ -39,7 +44,9 @@ passenv = *
 
 commands =
     /usr/bin/find "{toxinidir}" -name '*.pyc' -delete
-    "{envbindir}/trial" {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}
+    # Add this so that coverage will run on subprocesses
+    sh -c 'echo "import coverage; coverage.process_startup()" > {envsitepackagesdir}/../sitecustomize.py'
+    {envbindir}/coverage run "{envbindir}/trial" {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}
 
 [testenv:py27]
 
@@ -101,17 +108,6 @@ usedevelop=true
 [testenv:py36]
 usedevelop=true
 
-
-[testenv:py36-coverage]
-usedevelop=true
-deps =
-    {[base]deps}
-    coverage
-commands =
-    /usr/bin/find "{toxinidir}" -name '*.pyc' -delete
-    python -m coverage run -m twisted.trial {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}
-
-
 [testenv:py36-postgres]
 usedevelop=true
 deps =
@@ -146,3 +142,12 @@ deps = towncrier>=18.6.0rc1
 commands =
    python -m towncrier.check --compare-with=origin/develop
 basepython = python3.6
+
+[testenv:codecov]
+skip_install = True
+deps =
+    coverage
+    codecov
+commands =
+    coverage combine
+    codecov -X gcov
\ No newline at end of file