Tests: Include bash_tap.sh for quick Bash tests

test/bash_tap_tw.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+# This file only contains helper functions for making Taskwarrior testing
+# easier. The magic happens in bash_tap.sh sourced at the end of this file.
+#
+# "task" is a bash function calling "/path/to/compiled/task rc:taskrc"
+# Only local paths are searched, see bash_tap_tw.sh:find_task_binary().
+#
+# "taskrc" is a file set up in bash_tap_tw.sh:setup_taskrc(), and can be
+# appended to or changed as needed.
+#
+# Subject to the MIT License. See LICENSE file or http://opensource.org/licenses/MIT
+# Copyright (c) 2015 Wilhelm Schürmann
+
+function setup_taskrc {
+    # Configuration
+    for i in pending.data completed.data undo.data backlog.data taskrc; do
+       if [ -f "$i" ]; then
+           rm "$i" 2>&1 >/dev/null
+       fi
+    done
+
+    echo 'data.location=.'                 > taskrc
+    echo 'confirmation=off'               >> taskrc
+    echo 'dateformat=m/d/Y'               >> taskrc
+    echo 'color.debug=rgb025'             >> taskrc
+    echo 'color.header=rgb025'            >> taskrc
+    echo 'color.footer=rgb025'            >> taskrc
+    echo 'color.error=bold white on red'  >> taskrc
+}
+
+function find_task_binary {
+    # $bashtap_org_pwd is set in bash_tap.sh. It is the directory the parent script is
+    # run from. Check for the task binary relative to that directory.
+    # Do not use the system "task" if no local one is found, error out instead.
+    for t in "${bashtap_org_pwd}/task" "${bashtap_org_pwd}/src/task" "${bashtap_org_pwd}/../task" "${bashtap_org_pwd}/../src/task" "${bashtap_org_pwd}/../build/src/task"; do
+        if [ -f "$t" ] && [ -x "$t" ]; then
+            t_abs=$(bashtap_get_absolute_path "$t")
+            eval "function task { ${t_abs} rc:taskrc \$@; }"
+            return 0
+        fi
+    done
+
+    echo "# ERROR: Could not find task binary!"
+
+    # Needed for normal, i.e. "non-test" mode.
+    eval "function task { exit; }"
+
+    # Set $line so we can have useful TAP output.
+    line="bash_tap.sh:find_task_binary()"
+
+    return 1
+}
+
+function bashtap_setup {
+    # This function is called by bash_tap.sh before running tests, or before
+    # running the parent script normally.
+    find_task_binary
+    setup_taskrc
+}
+
+
+# Include the base script that does the actual work.
+source bash_tap.sh