Freeze upstream test requirements (#76)

Add:
* upstream requirements freeze testenvs
* frozen upstream requirements
* upstream requirements tests

Author: mattsb42-aws

.travis.yml

@@ -2,6 +2,7 @@ sudo: false
 language: python
 matrix:
   include:
+    # CPython 2.7
     - python: 2.7
       env: TOXENV=py27-local
     - python: 2.7
@@ -10,6 +11,7 @@ matrix:
       env: TOXENV=py27-accept
     - python: 2.7
       env: TOXENV=py27-examples
+    # CPython 3.4
     - python: 3.4
       env: TOXENV=py34-local
     - python: 3.4
@@ -18,6 +20,7 @@ matrix:
       env: TOXENV=py34-accept
     - python: 3.4
       env: TOXENV=py34-examples
+    # CPython 3.5
     - python: 3.5
       env: TOXENV=py35-local
     - python: 3.5
@@ -26,6 +29,7 @@ matrix:
       env: TOXENV=py35-accept
     - python: 3.5
       env: TOXENV=py35-examples
+    # CPython 3.6
     - python: 3.6
       env: TOXENV=py36-local
     - python: 3.6
@@ -34,6 +38,9 @@ matrix:
       env: TOXENV=py36-accept
     - python: 3.6
       env: TOXENV=py36-examples
+    # CPython 3.7
+    # xenial + sudo are currently needed to get 3.7
+    # https://github.com/travis-ci/travis-ci/issues/9815
     - python: 3.7
       env: TOXENV=py37-local
       dist: xenial
@@ -50,10 +57,21 @@ matrix:
       env: TOXENV=py37-examples
       dist: xenial
       sudo: true
+    # Upstream tests
     - python: 3.6
       env: TOXENV=nocmk
+    - python: 2.7
+      env: TOXENV=test-upstream-requirements-py27
+    # xenial + sudo are currently needed to get 3.7
+    # https://github.com/travis-ci/travis-ci/issues/9815
+    - python: 3.7
+      env: TOXENV=test-upstream-requirements-py37
+      dist: xenial
+      sudo: true
+    # Security
     - python: 3.6
       env: TOXENV=bandit
+    # Linting and autoformatting
     - python: 3.6
       env: TOXENV=doc8
     - python: 3.6

test/freeze-upstream-requirements.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Minimal wrapper script for upstream requirements install and freeze.
+# We do this here rather than as tox commands because tox does not support output redirection.
+if [ -z ${1} ]; then
+    exit 1
+fi
+
+pip install -r requirements.txt
+pip install -r test/requirements.txt
+pip freeze > ${1}

test/upstream-requirements-py27.txt

@@ -0,0 +1,31 @@
+asn1crypto==0.24.0
+atomicwrites==1.2.1
+attrs==18.1.0
+boto3==1.8.4
+botocore==1.11.4
+cffi==1.11.5
+coverage==4.5.1
+cryptography==2.3.1
+docutils==0.14
+enum34==1.1.6
+funcsigs==1.0.2
+futures==3.2.0
+idna==2.7
+ipaddress==1.0.22
+jmespath==0.9.3
+mock==2.0.0
+more-itertools==4.3.0
+pathlib2==2.3.2
+pbr==4.2.0
+pluggy==0.7.1
+py==1.6.0
+pycparser==2.18
+pytest==3.7.4
+pytest-cov==2.5.1
+pytest-mock==1.10.0
+python-dateutil==2.7.3
+s3transfer==0.1.13
+scandir==1.9.0
+six==1.11.0
+urllib3==1.23
+wrapt==1.10.11

test/upstream-requirements-py37.txt

@@ -0,0 +1,25 @@
+asn1crypto==0.24.0
+atomicwrites==1.2.1
+attrs==18.1.0
+boto3==1.8.4
+botocore==1.11.4
+cffi==1.11.5
+coverage==4.5.1
+cryptography==2.3.1
+docutils==0.14
+idna==2.7
+jmespath==0.9.3
+mock==2.0.0
+more-itertools==4.3.0
+pbr==4.2.0
+pluggy==0.7.1
+py==1.6.0
+pycparser==2.18
+pytest==3.7.4
+pytest-cov==2.5.1
+pytest-mock==1.10.0
+python-dateutil==2.7.3
+s3transfer==0.1.13
+six==1.11.0
+urllib3==1.23
+wrapt==1.10.11

tox.ini

@@ -62,6 +62,54 @@ sitepackages = False
 deps = -rtest/requirements.txt
 commands = {[testenv:base-command]commands} test/ -m local
 
+# Collect requirements for use in upstream tests
+[testenv:freeze-upstream-requirements-base]
+sitepackages = False
+skip_install = True
+recreate = True
+deps =
+commands = {toxinidir}/test/freeze-upstream-requirements.sh
+
+# Freeze for Python 2.7
+[testenv:freeze-upstream-requirements-py27]
+basepython = python2.7
+sitepackages = {[testenv:freeze-upstream-requirements-base]sitepackages}
+skip_install = {[testenv:freeze-upstream-requirements-base]skip_install}
+recreate = {[testenv:freeze-upstream-requirements-base]recreate}
+deps = {[testenv:freeze-upstream-requirements-base]deps}
+commands = {[testenv:freeze-upstream-requirements-base]commands} test/upstream-requirements-py27.txt
+
+# Freeze for Python 3.7
+[testenv:freeze-upstream-requirements-py37]
+basepython = python3.7
+sitepackages = {[testenv:freeze-upstream-requirements-base]sitepackages}
+skip_install = {[testenv:freeze-upstream-requirements-base]skip_install}
+recreate = {[testenv:freeze-upstream-requirements-base]recreate}
+deps = {[testenv:freeze-upstream-requirements-base]deps}
+commands = {[testenv:freeze-upstream-requirements-base]commands} test/upstream-requirements-py37.txt
+
+# Test frozen upstream requirements
+[testenv:test-upstream-requirements-base]
+sitepackages = False
+recreate = True
+commands = {[testenv:base-command]commands} test/ -m local
+
+# Test frozen upstream requirements for Python 2.7
+[testenv:test-upstream-requirements-py27]
+basepython = python2.7
+deps = -rtest/upstream-requirements-py27.txt
+sitepackages = {[testenv:test-upstream-requirements-base]sitepackages}
+recreate = {[testenv:test-upstream-requirements-base]recreate}
+commands = {[testenv:test-upstream-requirements-base]commands}
+
+# Test frozen upstream requirements for Python 3.7
+[testenv:test-upstream-requirements-py37]
+basepython = python3.7
+deps = -rtest/upstream-requirements-py37.txt
+sitepackages = {[testenv:test-upstream-requirements-base]sitepackages}
+recreate = {[testenv:test-upstream-requirements-base]recreate}
+commands = {[testenv:test-upstream-requirements-base]commands}
+
 # Linters
 [testenv:flake8]
 basepython = python3