chore: add framework for various integration tests

integration-testing/multi-nodejs-test/test.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+cd "$( dirname "$( readlink -f "$0" )" )" || exit 1
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+
+# This script tests with precompiler and the built distribution with multiple NodeJS version.
+# The rest of the travis-build will only work with newer NodeJS versions, because the build
+# tools don't support older versions.
+# However, the built distribution should work with older NodeJS versions as well.
+# This test is simple by design. It merely ensures, that calling Handlebars does not fail with old versions.
+# It does (almost) not test for correctness, because that is already done in the mocha-tests.
+# And it does not use any NodeJS based testing framwork to make this part independent of the Node version.
+
+# A list of NodeJS versions is expected as cli-args
+echo "Handlebars should be able to run in various versions of NodeJS"
+for i in  0.10 0.12 4 5 6 7 8 9 10 11 ; do
+    rm target -rf
+    mkdir target
+    nvm install "$i"
+    nvm exec "$i" node ./run-handlebars.js >/dev/null || exit 1
+    nvm exec "$i" node ../../bin/handlebars precompile-test-template.txt.hbs -f target/precompile-test-template.js || exit 1
+    echo Success
+done