test: new test, verify behavior of global environment variables

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/global-envs.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+set -eu
+
+TEST_DIR=$(dirname "$0")
+
+test_setup()
+{
+	say "Test start $(date)"
+}
+
+test_teardown()
+{
+	say "Test done $(date)"
+
+	texec rm -f "$FINIT_CONF"
+}
+
+# shellcheck source=/dev/null
+. "$TEST_DIR/tenv/lib.sh"
+
+#texec sh -c "initctl debug"
+say "Add custom envs to $FINIT_CONF ..."
+texec sh -c "echo 'foo=bar' >  $FINIT_CONF"
+texec sh -c "echo 'baz=qux' >> $FINIT_CONF"
+
+say "Add service stanza to $FINIT_CONF ..."
+texec sh -c "echo 'service serv -np -e foo:bar -- Verify foo=bar' >> $FINIT_CONF"
+
+say 'Reload Finit'
+texec sh -c "initctl reload"
+sleep 1
+retry 'assert_num_children 1 serv'
+
+say "Modify $FINIT_CONF slightly ..."
+texec sh -c "sed -i 's/foo:bar/baz:qux/; s/foo=bar/baz=qux/' $FINIT_CONF"
+
+say 'Reload Finit'
+texec sh -c "initctl reload"
+sleep 1
+retry 'assert_num_children 1 serv'
+
+say "Swap envs completely in $FINIT_CONF ..."
+texec sh -c "echo 'bar=foo' >  $FINIT_CONF"
+texec sh -c "echo 'qux=baz' >> $FINIT_CONF"
+
+say "Add swapped service stanza to $FINIT_CONF ..."
+texec sh -c "echo 'service serv -np -e bar:foo -E baz -- Verify bar=foo and no baz' >> $FINIT_CONF"
+
+say 'Reload Finit'
+texec sh -c "initctl reload"
+sleep 1
+retry 'assert_num_children 1 serv'
+
+say "Done, drop service from $FINIT_CONF ..."
+texec sh -c "rm $FINIT_CONF"
+texec sh -c "initctl reload"