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From abbd2950fdc3c3eee479a5bbecbe009df7cf87ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
Date: Fri, 6 Dec 2019 17:20:52 +0100
Subject: [PATCH 119/181] test-device-fake: Add fake test driver to verify fpi
 functions

---
 tests/meson.build        |   5 +-
 tests/test-device-fake.c | 205 +++++++++++++++++++++++++++++++++++++++
 tests/test-device-fake.h |  43 ++++++++
 3 files changed, 252 insertions(+), 1 deletion(-)
 create mode 100644 tests/test-device-fake.c
 create mode 100644 tests/test-device-fake.h

diff --git a/tests/meson.build b/tests/meson.build
index 1ef6e34..e37991d 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -50,7 +50,10 @@ endif
 
 if 'virtual_image' in drivers
     test_utils = static_library('fprint-test-utils',
-        sources: ['test-utils.c'],
+        sources: [
+            'test-utils.c',
+            'test-device-fake.c',
+        ],
         dependencies: libfprint_private_dep,
         install: false)
 
diff --git a/tests/test-device-fake.c b/tests/test-device-fake.c
new file mode 100644
index 0000000..e3b6f38
--- /dev/null
+++ b/tests/test-device-fake.c
@@ -0,0 +1,205 @@
+/*
+ * Virtual driver for device debugging
+ *
+ * Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define FP_COMPONENT "fake_test_dev"
+
+#include "test-device-fake.h"
+
+G_DEFINE_TYPE (FpiDeviceFake, fpi_device_fake, FP_TYPE_DEVICE)
+
+static const FpIdEntry driver_ids[] = {
+  { .virtual_envvar = "FP_VIRTUAL_FAKE_DEVICE" },
+  { .virtual_envvar = NULL }
+};
+
+static void
+fpi_device_fake_probe (FpDevice *device)
+{
+  FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_PROBE);
+
+  fake_dev->last_called_function = fpi_device_fake_probe;
+  fpi_device_probe_complete (device, dev_class->id, dev_class->full_name,
+                             fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_open (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_OPEN);
+
+  fake_dev->last_called_function = fpi_device_fake_open;
+  fpi_device_open_complete (device, fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_close (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_CLOSE);
+
+  fake_dev->last_called_function = fpi_device_fake_close;
+  fpi_device_close_complete (device, fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_enroll (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+  FpPrint *print = fake_dev->ret_print;
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_ENROLL);
+  fpi_device_get_enroll_data (device, (FpPrint **) &fake_dev->action_data);
+
+  if (!print && !fake_dev->ret_error)
+    fpi_device_get_enroll_data (device, &print);
+
+  fake_dev->last_called_function = fpi_device_fake_enroll;
+  fpi_device_enroll_complete (device, print, fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_verify (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+  FpPrint *print = fake_dev->ret_print;
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_VERIFY);
+  fpi_device_get_verify_data (device, (FpPrint **) &fake_dev->action_data);
+
+  if (!print && !fake_dev->ret_error)
+    fpi_device_get_verify_data (device, &print);
+
+  fake_dev->last_called_function = fpi_device_fake_verify;
+  fpi_device_verify_complete (device, fake_dev->ret_result, print,
+                              fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_identify (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+  FpPrint *match = fake_dev->ret_match;
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_IDENTIFY);
+  fpi_device_get_identify_data (device, (GPtrArray **) &fake_dev->action_data);
+
+  if (!match && !fake_dev->ret_error)
+    {
+      GPtrArray *prints;
+      unsigned int i;
+
+      fpi_device_get_identify_data (device, &prints);
+
+      for (i = 0; prints && i < prints->len; ++i)
+        {
+          FpPrint *print = g_ptr_array_index (prints, i);
+
+          if (g_strcmp0 (fp_print_get_description (print), "fake-verified") == 0)
+            {
+              match = print;
+              break;
+            }
+        }
+    }
+
+  fake_dev->last_called_function = fpi_device_fake_identify;
+  fpi_device_identify_complete (device, match, fake_dev->ret_print,
+                                fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_capture (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_CAPTURE);
+  fpi_device_get_capture_data (device, (gboolean *) &fake_dev->action_data);
+
+  fake_dev->last_called_function = fpi_device_fake_capture;
+  fpi_device_capture_complete (device, fake_dev->ret_image, fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_list (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_LIST);
+
+  fake_dev->last_called_function = fpi_device_fake_list;
+  fpi_device_list_complete (device, fake_dev->ret_list, fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_delete (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), ==, FP_DEVICE_ACTION_DELETE);
+  fpi_device_get_delete_data (device, (gpointer) & fake_dev->action_data);
+
+  fake_dev->last_called_function = fpi_device_fake_delete;
+  fpi_device_delete_complete (device, fake_dev->ret_error);
+}
+
+static void
+fpi_device_fake_cancel (FpDevice *device)
+{
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
+  g_assert_cmpuint (fpi_device_get_current_action (device), !=, FP_DEVICE_ACTION_NONE);
+
+  fake_dev->last_called_function = fpi_device_fake_cancel;
+}
+
+static void
+fpi_device_fake_init (FpiDeviceFake *self)
+{
+}
+
+static void
+fpi_device_fake_class_init (FpiDeviceFakeClass *klass)
+{
+  FpDeviceClass *dev_class = FP_DEVICE_CLASS (klass);
+
+  dev_class->id = FP_COMPONENT;
+  dev_class->full_name = "Virtual device for debugging";
+  dev_class->type = FP_DEVICE_TYPE_VIRTUAL;
+  dev_class->id_table = driver_ids;
+  dev_class->nr_enroll_stages = 5;
+  dev_class->scan_type = FP_SCAN_TYPE_PRESS;
+
+  dev_class->probe = fpi_device_fake_probe;
+  dev_class->open = fpi_device_fake_open;
+  dev_class->close = fpi_device_fake_close;
+  dev_class->enroll = fpi_device_fake_enroll;
+  dev_class->verify = fpi_device_fake_verify;
+  dev_class->identify = fpi_device_fake_identify;
+  dev_class->capture = fpi_device_fake_capture;
+  dev_class->list = fpi_device_fake_list;
+  dev_class->delete = fpi_device_fake_delete;
+  dev_class->cancel = fpi_device_fake_cancel;
+}
diff --git a/tests/test-device-fake.h b/tests/test-device-fake.h
new file mode 100644
index 0000000..e8a0919
--- /dev/null
+++ b/tests/test-device-fake.h
@@ -0,0 +1,43 @@
+/*
+ * Virtual driver for device debugging
+ *
+ * Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#pragma once
+
+#include "fpi-device.h"
+
+#define FPI_TYPE_DEVICE_FAKE (fpi_device_fake_get_type ())
+G_DECLARE_FINAL_TYPE (FpiDeviceFake, fpi_device_fake, FPI, DEVICE_FAKE, FpDevice)
+
+struct _FpiDeviceFake
+{
+  FpDevice       parent;
+
+  gpointer       last_called_function;
+
+  GError        *ret_error;
+  FpPrint       *ret_print;
+  FpPrint       *ret_match;
+  FpiMatchResult ret_result;
+  FpImage       *ret_image;
+  GPtrArray     *ret_list;
+
+  gpointer       action_data;
+  gpointer       user_data;
+};
-- 
2.24.1