test/mock: add the ability to mock the DMI id dev

Add the ability to mock the SMBBIOS/DMI sysfs device. For now only
the sys_vendor, product_{name, version} attributes are supported,
which is what we us in bolt.

tests/mock-sysfs.c

@@ -121,6 +121,7 @@ struct _MockSysfs
   char       *force_power;
   GHashTable *domains;
   GHashTable *devices;
+  char       *dmi;
 };
 
 
@@ -144,6 +145,9 @@ mock_sysfs_finalize (GObject *object)
 {
   MockSysfs *ms = MOCK_SYSFS (object);
 
+  if (ms->dmi)
+    mock_sysfs_dmi_id_remove (ms);
+
   if (ms->force_power)
     mock_sysfs_force_power_remove (ms);
 
@@ -497,6 +501,57 @@ mock_sysfs_force_power_enabled (MockSysfs *ms)
   return bolt_streq (data, "1");
 }
 
+
+/* dmi */
+const char *
+mock_sysfs_dmi_id_add (MockSysfs  *ms,
+                       const char *sys_vendor,
+                       const char *product_name,
+                       const char *product_version)
+{
+  const char *props[25] = {NULL, };
+  guint i = 0;
+  char *path;
+
+  g_return_val_if_fail (MOCK_IS_SYSFS (ms), NULL);
+  g_return_val_if_fail (ms->dmi == NULL, NULL);
+
+  props[i++] = BOLT_SYSFS_DMI_SYS_VENDOR;
+  props[i++] = sys_vendor;
+
+  props[i++] = BOLT_SYSFS_DMI_PRODUCT_NAME;
+  props[i++] = product_name;
+
+  props[i++] = BOLT_SYSFS_DMI_PRODUCT_VERSION;
+  props[i++] = product_version;
+
+  props[i++] = NULL;
+  g_assert (sizeof (props) >= i);
+
+  path = umockdev_testbed_add_devicev (ms->bed, "dmi", "id",
+                                       NULL,
+                                       (char **) props,
+                                       NULL);
+
+
+  ms->dmi = path;
+
+  return path;
+}
+
+gboolean
+mock_sysfs_dmi_id_remove (MockSysfs *ms)
+{
+  g_return_val_if_fail (MOCK_IS_SYSFS (ms), FALSE);
+  g_return_val_if_fail (ms->dmi != NULL, FALSE);
+
+  umockdev_testbed_uevent (ms->bed, ms->dmi, "remove");
+  umockdev_testbed_remove_device (ms->bed, ms->dmi);
+  ms->dmi = NULL;
+
+  return TRUE;
+}
+
 /* public methods: domain */
 
 const char *

tests/mock-sysfs.h

@@ -59,6 +59,13 @@ char *           mock_sysfs_force_power_read (MockSysfs *ms);
 
 gboolean         mock_sysfs_force_power_enabled (MockSysfs *ms);
 
+const char *     mock_sysfs_dmi_id_add (MockSysfs  *ms,
+                                        const char *sys_vendor,
+                                        const char *product_name,
+                                        const char *product_version);
+
+gboolean         mock_sysfs_dmi_id_remove (MockSysfs *ms);
+
 const char *     mock_sysfs_domain_add (MockSysfs   *ms,
                                         BoltSecurity security,
                                         ...) G_GNUC_NULL_TERMINATED;