diff --git a/tests/fixtures/tunnel-ifupdown2.interfaces b/tests/fixtures/tunnel-ifupdown2.interfaces
new file mode 100644
index 0000000..82a36c5
--- /dev/null
+++ b/tests/fixtures/tunnel-ifupdown2.interfaces
@@ -0,0 +1,10 @@
+auto tun0
+iface tun0
+	tunnel-local 203.0.113.2
+	tunnel-endpoint 203.0.113.1
+	tunnel-physdev eth0
+	address 203.0.113.10/30
+	gateway 203.0.113.9
+
+iface eth0
+	address 203.0.113.2/30
diff --git a/tests/fixtures/tunnel-legacy.interfaces b/tests/fixtures/tunnel-legacy.interfaces
new file mode 100644
index 0000000..ff6505c
--- /dev/null
+++ b/tests/fixtures/tunnel-legacy.interfaces
@@ -0,0 +1,10 @@
+auto tun0
+iface tun0
+	local 203.0.113.2
+	endpoint 203.0.113.1
+	tunnel-dev eth0
+	address 203.0.113.10/30
+	gateway 203.0.113.9
+
+iface eth0
+	address 203.0.113.2/30
diff --git a/tests/fixtures/tunnel.interfaces b/tests/fixtures/tunnel.interfaces
new file mode 100644
index 0000000..586b401
--- /dev/null
+++ b/tests/fixtures/tunnel.interfaces
@@ -0,0 +1,10 @@
+auto tun0
+iface tun0
+	tunnel-local 203.0.113.2
+	tunnel-remote 203.0.113.1
+	tunnel-dev eth0
+	address 203.0.113.10/30
+	gateway 203.0.113.9
+
+iface eth0
+	address 203.0.113.2/30