Add integration tests for federated shares from unavailable servers

The federated server needs to be stopped during the tests, so it is now
stopped in the FederationContext for each scenario instead of just once
in the run.sh script.

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

3 files changed, 130 insertions, 4 deletions

diff --git a/build/integration/features/bootstrap/FederationContext.php b/build/integration/features/bootstrap/FederationContext.php
index a4472c54b1b..423708adc10 100644
--- a/build/integration/features/bootstrap/FederationContext.php
+++ b/build/integration/features/bootstrap/FederationContext.php
@@ -41,10 +41,30 @@ class FederationContext implements Context, SnippetAcceptingContext {
 	use CommandLine;
 
 	/** @var string */
+	private static $phpFederatedServerPid = '';
+
+	/** @var string */
 	private $lastAcceptedRemoteShareId;
 
 	/**
 	 * @BeforeScenario
+	 * @AfterScenario
+	 *
+	 * The server is started also after the scenarios to ensure that it is
+	 * properly cleaned up if stopped.
+	 */
+	public function startFederatedServer() {
+		if (self::$phpFederatedServerPid !== '') {
+			return;
+		}
+
+		$port = getenv('PORT_FED');
+
+		self::$phpFederatedServerPid = exec('php -S localhost:' . $port . ' -t ../../ >/dev/null & echo $!');
+	}
+
+	/**
+	 * @BeforeScenario
 	 */
 	public function cleanupRemoteStorages() {
 		// Ensure that dangling remote storages from previous tests will not
@@ -157,6 +177,19 @@ class FederationContext implements Context, SnippetAcceptingContext {
 		$this->sendingToWith('DELETE', "/apps/files_sharing/api/v1/remote_shares/" . $this->lastAcceptedRemoteShareId, null);
 	}
 
+	/**
+	 * @When /^remote server is stopped$/
+	 */
+	public function remoteServerIsStopped() {
+		if (self::$phpFederatedServerPid === '') {
+			return;
+		}
+
+		exec('kill ' . self::$phpFederatedServerPid);
+
+		self::$phpFederatedServerPid = '';
+	}
+
 	protected function resetAppConfigs() {
 		$this->deleteServerConfig('files_sharing', 'incoming_server2server_group_share_enabled');
 		$this->deleteServerConfig('files_sharing', 'outgoing_server2server_group_share_enabled');
diff --git a/build/integration/federation_features/federated.feature b/build/integration/federation_features/federated.feature
index a8af32387a0..8b627e55a42 100644
--- a/build/integration/federation_features/federated.feature
+++ b/build/integration/federation_features/federated.feature
@@ -318,6 +318,54 @@ Feature: federated
 			| type        | file |
 			| file_id     | A_NUMBER |
 
+	Scenario: List federated share from another server no longer reachable
+		Given Using server "LOCAL"
+		And user "user0" exists
+		Given Using server "REMOTE"
+		And user "user1" exists
+		# Rename file so it has a unique name in the target server (as the target
+		# server may have its own /textfile0.txt" file)
+		And User "user1" copies file "/textfile0.txt" to "/remote-share.txt"
+		And User "user1" from server "REMOTE" shares "/remote-share.txt" with user "user0" from server "LOCAL"
+		And Using server "LOCAL"
+		And User "user0" from server "LOCAL" accepts last pending share
+		And remote server is stopped
+		When As an "user0"
+		And sending "GET" to "/apps/files_sharing/api/v1/remote_shares"
+		Then the list of returned shares has 1 shares
+		And remote share 0 is returned with
+			| remote      | http://localhost:8180/ |
+			| name        | /remote-share.txt |
+			| owner       | user1 |
+			| user        | user0 |
+			| mountpoint  | /remote-share.txt |
+
+	Scenario: List federated share from another server no longer reachable after caching the file entry
+		Given Using server "LOCAL"
+		And user "user0" exists
+		Given Using server "REMOTE"
+		And user "user1" exists
+		# Rename file so it has a unique name in the target server (as the target
+		# server may have its own /textfile0.txt" file)
+		And User "user1" copies file "/textfile0.txt" to "/remote-share.txt"
+		And User "user1" from server "REMOTE" shares "/remote-share.txt" with user "user0" from server "LOCAL"
+		And Using server "LOCAL"
+		And User "user0" from server "LOCAL" accepts last pending share
+		# Checking that the file exists caches the file entry, which causes an
+		# exception to be thrown when getting the file info if the remote server is
+		# unreachable.
+		And as "user0" the file "/remote-share.txt" exists
+		And remote server is stopped
+		When As an "user0"
+		And sending "GET" to "/apps/files_sharing/api/v1/remote_shares"
+		Then the list of returned shares has 1 shares
+		And remote share 0 is returned with
+			| remote      | http://localhost:8180/ |
+			| name        | /remote-share.txt |
+			| owner       | user1 |
+			| user        | user0 |
+			| mountpoint  | /remote-share.txt |
+
 
 
 	Scenario: Delete federated share with another server
@@ -382,6 +430,30 @@ Feature: federated
 		And sending "GET" to "/apps/files_sharing/api/v1/shares"
 		And the list of returned shares has 0 shares
 
+	Scenario: Delete federated share from another server no longer reachable
+		Given Using server "LOCAL"
+		And user "user0" exists
+		Given Using server "REMOTE"
+		And user "user1" exists
+		# Rename file so it has a unique name in the target server (as the target
+		# server may have its own /textfile0.txt" file)
+		And User "user1" copies file "/textfile0.txt" to "/remote-share.txt"
+		And User "user1" from server "REMOTE" shares "/remote-share.txt" with user "user0" from server "LOCAL"
+		And Using server "LOCAL"
+		And User "user0" from server "LOCAL" accepts last pending share
+		And as "user0" the file "/remote-share.txt" exists
+		And As an "user0"
+		And sending "GET" to "/apps/files_sharing/api/v1/remote_shares"
+		And the list of returned shares has 1 shares
+		And remote server is stopped
+		When user "user0" deletes last accepted remote share
+		Then the OCS status code should be "100"
+		And the HTTP status code should be "200"
+		And as "user0" the file "/remote-share.txt" does not exist
+		And As an "user0"
+		And sending "GET" to "/apps/files_sharing/api/v1/remote_shares"
+		And the list of returned shares has 0 shares
+
 	Scenario: Delete federated share file from another server
 		Given Using server "LOCAL"
 		And user "user0" exists
@@ -410,3 +482,26 @@ Feature: federated
 		And As an "user1"
 		And sending "GET" to "/apps/files_sharing/api/v1/shares"
 		And the list of returned shares has 0 shares
+
+	Scenario: Delete federated share file from another server no longer reachable
+		Given Using server "LOCAL"
+		And user "user0" exists
+		Given Using server "REMOTE"
+		And user "user1" exists
+		# Rename file so it has a unique name in the target server (as the target
+		# server may have its own /textfile0.txt" file)
+		And User "user1" copies file "/textfile0.txt" to "/remote-share.txt"
+		And User "user1" from server "REMOTE" shares "/remote-share.txt" with user "user0" from server "LOCAL"
+		And Using server "LOCAL"
+		And User "user0" from server "LOCAL" accepts last pending share
+		And as "user0" the file "/remote-share.txt" exists
+		And As an "user0"
+		And sending "GET" to "/apps/files_sharing/api/v1/remote_shares"
+		And the list of returned shares has 1 shares
+		And remote server is stopped
+		When User "user0" deletes file "/remote-share.txt"
+		Then the HTTP status code should be "204"
+		And as "user0" the file "/remote-share.txt" does not exist
+		And As an "user0"
+		And sending "GET" to "/apps/files_sharing/api/v1/remote_shares"
+		And the list of returned shares has 0 shares
diff --git a/build/integration/run.sh b/build/integration/run.sh
index 4808ab58ef5..a20398e8ee9 100755
--- a/build/integration/run.sh
+++ b/build/integration/run.sh
@@ -38,11 +38,10 @@ php -S localhost:$PORT -t ../.. &
 PHPPID=$!
 echo $PHPPID
 
+# The federated server is started and stopped by the tests themselves
 PORT_FED=$((8180 + $EXECUTOR_NUMBER))
 echo $PORT_FED
-php -S localhost:$PORT_FED -t ../.. &
-PHPPID_FED=$!
-echo $PHPPID_FED
+export PORT_FED
 
 export TEST_SERVER_URL="http://localhost:$PORT/ocs/"
 export TEST_SERVER_FED_URL="http://localhost:$PORT_FED/ocs/"
@@ -65,7 +64,6 @@ vendor/bin/behat --strict -f junit -f pretty $TAGS $SCENARIO_TO_RUN
 RESULT=$?
 
 kill $PHPPID
-kill $PHPPID_FED
 
 if [ "$INSTALLED" == "true" ]; then