test: add integration test for 'gas init'

ops/gas_init_test.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# ------------------
+# This is a test script that initializes a new project.
+# ------------------
+
+
+set -e
+set -x
+
+PS4='+(${BASH_SOURCE}:${LINENO}): '
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+# Compile `gas`
+gas="/tmp/gas"
+go build -o $gas ./cmd
+
+test_project="/memory/test_gasproj"
+if [[ -e $test_project ]]; then
+    rm -r "$test_project"
+fi
+
+$gas init "$test_project" <<EOF
+mymodule
+mydb.db
+prog
+EOF
+
+
+# Notify success in green
+echo -e "\033[32mAll tests passed.  Finished successfully.\033[0m"