[rawfs] Minor testing support

- set *bogus* to do no harm
- add some test configurations

src/modules/rawfs/main.py

@@ -96,6 +96,8 @@ class RawFSItem:
         count = 0
 
         libcalamares.utils.debug("Copying {} to {}".format(self.source, self.destination))
+        if libcalamares.job.configuration["bogus"]:
+            return
 
         srcsize, srcblksize = get_device_size(self.source)
         destsize, destblksize = get_device_size(self.destination)

src/modules/rawfs/rawfs.conf

@@ -22,3 +22,8 @@ targets:
       resize: true
     - mountPoint: /data
       source: /dev/mmcblk0p3
+
+# To support testing, set the *bogus* key to true. No actual work is done, but the
+# module's logic is exercised.
+
+# bogus: false

src/modules/rawfs/tests/1.global

@@ -0,0 +1,9 @@
+---
+rootMountPoint: /tmp/unpackfs-test-run-rootdir3/
+partitions:
+  - mountPoint: /
+    device: /dev/sda1
+    fs: ext4
+  - mountPoint: /home
+    device: /dev/sda2
+    fs: ext4

src/modules/rawfs/tests/1.job

@@ -0,0 +1,14 @@
+# Testing configuration for rawfs
+
+---
+
+targets:
+    - mountPoint: /
+      source: /
+    - mountPoint: /home
+      source: /images/home.img
+      resize: true
+    - mountPoint: /data
+      source: /dev/mmcblk0p3
+
+bogus: true