☔ More testing, actual tar output checks

test/expected_result.txt

@@ -0,0 +1,5 @@
+./
+./etc/
+./etc/config.conf
+./testfile.txt
+./Dockerfile

test/test.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+# ==============================================================================
+#
+# Docker Context Streamer
+#
+# Small script for testing the inner working of the Docker Context Streamer
+#
+# ==============================================================================
+#
+# MIT License
+#
+# Copyright (c) 2017 Franck Nijhof
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+# ==============================================================================
+set -o errexit  # Exit script when a command exits with non-zero status
+set -o nounset  # Exit script on use of an undefined variable
+set -o pipefail # Return exit status of the last command in the pipe that failed
+
+RES=$(cat ./test/Dockerfile | docker-context-streamer ./test/context | tar -t)
+TST=$(<./test/expected_result.txt)
+
+if [[ "$RES" == "$TST" ]]; then
+    echo "Expected result: OK"
+else
+    echo "Unexpected results!"
+    echo "EXPECTED:"
+    echo "-------------"
+    echo "$TST"
+    echo "-------------"
+    echo "GOT:"
+    echo "-------------"
+    echo "$RES"    
+    exit 1
+fi

tox.ini

@@ -1,15 +1,14 @@
 [tox]
-envlist = pep8, pep257, flake8, py27, py34, py35, py36, tar
+envlist = pep8, pep257, flake8, py27, py34, py35, py36
 skip_missing_interpreters = True
-whitelist_externals =
-    cat
-    echo
-    tar
 
 [testenv]
+whitelist_externals =
+    bash
 commands =
     pip install .
     python --version
+    bash ./test/test.sh
 
 [testenv:flake8]
 commands =
@@ -24,8 +23,3 @@ commands =
     pep257 dcs
 deps =
     pep257
-
-[testenv:tar]
-commands =
-    pip install .
-    echo "FROM ..." | ./bin/docker-context-streamer ./test/context | tar -t