Add requirements.txt for smoke tests.

test/smoketest/README.md

@@ -9,17 +9,24 @@ See results in smoketest.*.out, generated like this:
 Note: the pytest tests from zerotest are currently unused and disabled.
 
 ## Installing Test Dependencies
+
 For now, you'll need to install
 [zerotest](https://github.com/jjyr/zerotest)
 to run these tests, and/or generate new ones in the same way.
 
 This is mainly tested with python3, but has been seen to work
-on python2 also.  You will need these libraries for some of the tests:
+on python2 also.  To install dependencies:
+
+    pip install -r requirements.txt
+
+or perhaps the following (or similar) if you have multiple Python
+installations.
 
-`pip install zerotest requests`
+    pip3 install -r requirements.txt
 
-or `pip3 install zerotest requests` (or similar) if you have
-multiple Python installations.
+Installing inside an isolated
+[virtual environment](https://packaging.python.org/tutorials/installing-packages/#creating-virtual-environments)
+(aka virtualenv) is the preferred approach.
 
 ## Running a smoketest
 
@@ -141,7 +148,7 @@ Interim test of captured queries:
 Generate raw test script which should work with existing database:
 
 ```
-zerotest generate --ignore-all-headers server_test.json > server_test_raw.py 
+zerotest generate --ignore-all-headers server_test.json > server_test_raw.py
 sed 's,localhost:8887,localhost:8888,' server_test_raw.py > server_test_raw2.py
 ```
 

test/smoketest/requirements.in

@@ -0,0 +1,8 @@
+# "Abstract" dependencies for the project
+#
+# The sibling requirements.txt file contains the corresponding concrete /
+# pinned dependencies.  You can use pip-tools to automatically update
+# requirements.txt from this file:
+# https://github.com/jazzband/pip-tools
+requests
+zerotest

test/smoketest/requirements.txt

@@ -0,0 +1,18 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --output-file requirements.txt requirements.in
+#
+certifi==2017.7.27.1      # via requests
+chardet==3.0.4            # via requests
+idna==2.6                 # via requests
+jinja2==2.9.6             # via zerotest
+markupsafe==1.0           # via jinja2
+py==1.4.34                # via pytest
+pytest==3.2.1             # via zerotest
+requests==2.18.4
+six==1.10.0               # via zerotest
+urllib3==1.22             # via requests
+werkzeug==0.12.2          # via zerotest
+zerotest==1.2.1