PYTHON-3774 Update Evergreen run-atlas-tests to use tox + pytest (#1270)

.evergreen/config.yml

@@ -553,12 +553,17 @@ functions:
       params:
         working_dir: "src"
         script: |
-          # Disable xtrace (just in case it was accidentally set).
+          # Disable xtrace for security reasons (just in case it was accidentally set).
           set +x
+
           . ./prepare_atlas_connectivity.sh
           rm -f ./prepare_atlas_connectivity.sh
 
-          PYTHON_BINARY=${PYTHON_BINARY} bash ${PROJECT_DIRECTORY}/.evergreen/run-atlas-tests.sh
+          set -o errexit
+          set -o xtrace
+          # This is required for pypy3.7 UTF encoding
+          export LC_ALL=en_US.UTF-8
+          ${PYTHON_BINARY} -m tox -e test-atlas
 
   "add aws auth variables to file":
     - command: shell.exec

.evergreen/run-atlas-tests.sh

@@ -1,21 +0,0 @@
-#!/bin/bash
-
-# Exit on error and enable trace.
-set -o errexit
-set -o xtrace
-
-if [ -z "$PYTHON_BINARY" ]; then
-    echo "No python binary specified"
-    PYTHON_BINARY=$(command -v python3) || true
-    if [ -z "$PYTHON_BINARY" ]; then
-        echo "Cannot test without python3 installed!"
-        exit 1
-    fi
-fi
-
-. .evergreen/utils.sh
-createvirtualenv $PYTHON_BINARY atlastest
-trap "deactivate; rm -rf atlastest" EXIT HUP
-
-python -m pip install .
-python test/atlas/test_connection.py

tox.ini

@@ -24,6 +24,7 @@ envlist =
     doc-test,
     # Linkcheck sphinx docs
     linkcheck
+
 labels = # Use labels and -m instead of -e so that tox -m <label> fails instantly if the label does not exist
     test = test
     test-encryption = test-encryption
@@ -36,6 +37,7 @@ labels = # Use labels and -m instead of -e so that tox -m <label> fails instantl
     doc = doc
     doc-test = doc-test
     linkcheck = linkcheck
+    test-atlas = test-atlas
     test-mockupdb = test-mockupdb
 
 [testenv:test]
@@ -136,6 +138,14 @@ deps =
 commands =
     sphinx-build -E -b linkcheck doc ./doc/_build/linkcheck
 
+[testenv:test-atlas]
+description = run atlas connection tests
+deps =
+     {[testenv:test]deps}
+passenv = *
+commands =
+    python -m pytest -v ./test/atlas/test_connection.py
+
 [testenv:test-mockupdb]
 description = run mockupdb tests
 deps =