Add option to acceptance test runners to set a custom timeout multiplier

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

tests/acceptance/run-local.sh

@@ -39,6 +39,21 @@ set -o errexit
 # Behat through Composer or running Behat) expect that.
 cd "$(dirname $0)"
 
+# "--timeout-multiplier N" option can be provided before any other parameter to
+# set the timeout multiplier to be used in ActorContext.
+TIMEOUT_MULTIPLIER=""
+if [ "$1" = "--timeout-multiplier" ]; then
+	if [[ ! "$2" =~ ^[0-9]+$ ]]; then
+		echo "--timeout-multiplier must be followed by a positive integer"
+
+		exit 1
+	fi
+
+	TIMEOUT_MULTIPLIER=$2
+
+	shift 2
+fi
+
 # Safety parameter to prevent executing this script by mistake and messing with
 # the Git repository.
 if [ "$1" != "allow-git-repository-modifications" ]; then
@@ -49,6 +64,22 @@ fi
 
 SCENARIO_TO_RUN=$2
 
+if [ "$TIMEOUT_MULTIPLIER" != "" ]; then
+	# Although Behat documentation states that using the BEHAT_PARAMS
+	# environment variable "You can set any value for any option that is
+	# available in a behat.yml file" this is currently not true for the
+	# constructor parameters of contexts (see
+	# https://github.com/Behat/Behat/issues/983). Thus, the default "behat.yml"
+	# configuration file has to be adjusted to provide the appropriate
+	# parameters for ActorContext.
+	ORIGINAL="\
+        - ActorContext"
+	REPLACEMENT="\
+        - ActorContext:\n\
+            actorTimeoutMultiplier: $TIMEOUT_MULTIPLIER"
+	sed --in-place "s/$ORIGINAL/$REPLACEMENT/" config/behat.yml
+fi
+
 composer install
 
 cd ../../

tests/acceptance/run.sh

@@ -197,6 +197,22 @@ trap cleanUp EXIT
 # the Git working directory to the container) expect that.
 cd "$(dirname $0)"
 
+# "--timeout-multiplier N" option can be provided before the specific scenario
+# to run, if any, to set the timeout multiplier to be used in the acceptance
+# tests.
+TIMEOUT_MULTIPLIER_OPTION=""
+if [ "$1" = "--timeout-multiplier" ]; then
+	if [[ ! "$2" =~ ^[0-9]+$ ]]; then
+		echo "--timeout-multiplier must be followed by a positive integer"
+
+		exit 1
+	fi
+
+	TIMEOUT_MULTIPLIER_OPTION="--timeout-multiplier $2"
+
+	shift 2
+fi
+
 # If no parameter is provided to this script all the acceptance tests are run.
 SCENARIO_TO_RUN=$1
 
@@ -206,4 +222,4 @@ prepareSelenium
 prepareDocker
 
 echo "Running tests"
-docker exec $NEXTCLOUD_LOCAL_CONTAINER bash -c "cd nextcloud && tests/acceptance/run-local.sh allow-git-repository-modifications $SCENARIO_TO_RUN"
+docker exec $NEXTCLOUD_LOCAL_CONTAINER bash -c "cd nextcloud && tests/acceptance/run-local.sh $TIMEOUT_MULTIPLIER_OPTION allow-git-repository-modifications $SCENARIO_TO_RUN"