Add tests for icon scaling math & loading

test/dbus.c

@@ -6,6 +6,7 @@
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <gio/gio.h>
 
+#include "helpers.h"
 #include "queues.h"
 
 extern const char *base;
@@ -252,33 +253,13 @@ bool dbus_notification_fire(struct dbus_notification *n, uint *id)
 
 void dbus_notification_set_raw_image(struct dbus_notification *n_dbus, const char *path)
 {
-        GdkPixbuf *pb = gdk_pixbuf_new_from_file(path, NULL);
-
-        if (!pb)
+        GVariant *hint = notification_setup_raw_image(path);
+        if (!hint)
                 return;
 
-        GVariant *hint_data = g_variant_new_from_data(
-                                G_VARIANT_TYPE("ay"),
-                                gdk_pixbuf_read_pixels(pb),
-                                gdk_pixbuf_get_byte_length(pb),
-                                TRUE,
-                                (GDestroyNotify) g_object_unref,
-                                g_object_ref(pb));
-
-        GVariant *hint = g_variant_new(
-                                "(iiibii@ay)",
-                                gdk_pixbuf_get_width(pb),
-                                gdk_pixbuf_get_height(pb),
-                                gdk_pixbuf_get_rowstride(pb),
-                                gdk_pixbuf_get_has_alpha(pb),
-                                gdk_pixbuf_get_bits_per_sample(pb),
-                                gdk_pixbuf_get_n_channels(pb),
-                                hint_data);
-
         g_hash_table_insert(n_dbus->hints,
                             g_strdup("image-data"),
                             g_variant_ref_sink(hint));
-        g_object_unref(pb);
 }
 
 /////// TESTS

test/helpers.c

@@ -0,0 +1,35 @@
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "helpers.h"
+
+GVariant *notification_setup_raw_image(const char *path)
+{
+        GdkPixbuf *pb = gdk_pixbuf_new_from_file(path, NULL);
+
+        if (!pb)
+                return NULL;
+
+        GVariant *hint_data = g_variant_new_from_data(
+                                G_VARIANT_TYPE("ay"),
+                                gdk_pixbuf_read_pixels(pb),
+                                gdk_pixbuf_get_byte_length(pb),
+                                TRUE,
+                                (GDestroyNotify) g_object_unref,
+                                g_object_ref(pb));
+
+        GVariant *hint = g_variant_new(
+                                "(iiibii@ay)",
+                                gdk_pixbuf_get_width(pb),
+                                gdk_pixbuf_get_height(pb),
+                                gdk_pixbuf_get_rowstride(pb),
+                                gdk_pixbuf_get_has_alpha(pb),
+                                gdk_pixbuf_get_bits_per_sample(pb),
+                                gdk_pixbuf_get_n_channels(pb),
+                                hint_data);
+
+        g_object_unref(pb);
+
+        return hint;
+}
+
+/* vim: set tabstop=8 shiftwidth=8 expandtab textwidth=0: */

test/helpers.h

@@ -0,0 +1,9 @@
+#ifndef DUNST_TEST_HELPERS_H
+#define DUNST_TEST_HELPERS_H
+
+#include <glib.h>
+
+GVariant *notification_setup_raw_image(const char *path);
+
+#endif
+/* vim: set tabstop=8 shiftwidth=8 expandtab textwidth=0: */

test/icon.c

@@ -113,6 +113,61 @@ TEST test_get_pixbuf_from_icon_fileuri(void)
         PASS();
 }
 
+TEST test_icon_size_clamp_too_small(void)
+{
+        int w = 12, h = 24;
+        bool resized = icon_size_clamp(&w, &h);
+        ASSERT(resized);
+        ASSERT_EQ(w, 16);
+        ASSERT_EQ(h, 32);
+
+        PASS();
+}
+
+TEST test_icon_size_clamp_not_necessary(void)
+{
+        int w = 20, h = 30;
+        bool resized = icon_size_clamp(&w, &h);
+        ASSERT(!resized);
+        ASSERT_EQ(w, 20);
+        ASSERT_EQ(h, 30);
+
+        PASS();
+}
+
+TEST test_icon_size_clamp_too_big(void)
+{
+        int w = 75, h = 150;
+        bool resized = icon_size_clamp(&w, &h);
+        ASSERT(resized);
+        ASSERT_EQ(w, 50);
+        ASSERT_EQ(h, 100);
+
+        PASS();
+}
+
+TEST test_icon_size_clamp_too_small_then_too_big(void)
+{
+        int w = 8, h = 80;
+        bool resized = icon_size_clamp(&w, &h);
+        ASSERT(resized);
+        ASSERT_EQ(w, 10);
+        ASSERT_EQ(h, 100);
+
+        PASS();
+}
+
+TEST test_get_pixbuf_from_icon_both_is_scaled(void)
+{
+        GdkPixbuf *pixbuf = get_pixbuf_from_icon("onlypng");
+        ASSERT(pixbuf);
+        ASSERT_EQ(gdk_pixbuf_get_width(pixbuf), 16);
+        ASSERT_EQ(gdk_pixbuf_get_height(pixbuf), 16);
+        g_clear_pointer(&pixbuf, g_object_unref);
+
+        PASS();
+}
+
 SUITE(suite_icon)
 {
         settings.icon_path = g_strconcat(
@@ -129,6 +184,31 @@ SUITE(suite_icon)
         RUN_TEST(test_get_pixbuf_from_icon_onlypng);
         RUN_TEST(test_get_pixbuf_from_icon_filename);
         RUN_TEST(test_get_pixbuf_from_icon_fileuri);
+        RUN_TEST(test_icon_size_clamp_not_necessary);
+
+        settings.min_icon_size = 16;
+        settings.max_icon_size = 100;
+
+        RUN_TEST(test_get_pixbuf_from_icon_both_is_scaled);
+        RUN_TEST(test_icon_size_clamp_too_small);
+        RUN_TEST(test_icon_size_clamp_not_necessary);
+        RUN_TEST(test_icon_size_clamp_too_big);
+        RUN_TEST(test_icon_size_clamp_too_small_then_too_big);
+
+        settings.min_icon_size = 16;
+        settings.max_icon_size = 0;
+
+        RUN_TEST(test_icon_size_clamp_too_small);
+        RUN_TEST(test_icon_size_clamp_not_necessary);
+
+        settings.min_icon_size = 0;
+        settings.max_icon_size = 100;
+
+        RUN_TEST(test_icon_size_clamp_not_necessary);
+        RUN_TEST(test_icon_size_clamp_too_big);
+
+        settings.min_icon_size = 0;
+        settings.max_icon_size = 0;
 
         g_clear_pointer(&settings.icon_path, g_free);
 }

test/notification.c

@@ -1,5 +1,6 @@
 #include "../src/notification.c"
 #include "greatest.h"
+#include "helpers.h"
 
 #include "../src/option_parser.h"
 #include "../src/settings.h"
@@ -124,6 +125,76 @@ TEST test_notification_referencing(void)
         PASS();
 }
 
+
+static struct notification *notification_load_icon_with_scaling(int min_icon_size, int max_icon_size)
+{
+        struct notification *n = notification_create();
+
+        char *path = g_strconcat(base, "/data/icons/valid.svg", NULL); // 16x16
+
+        GVariant *rawIcon = notification_setup_raw_image(path);
+
+        settings.min_icon_size = min_icon_size;
+        settings.max_icon_size = max_icon_size;
+        notification_icon_replace_data(n, rawIcon);
+        settings.min_icon_size = 0;
+        settings.max_icon_size = 0;
+
+        g_variant_unref(rawIcon);
+        g_free(path);
+
+        return n;
+}
+
+TEST test_notification_icon_scaling_toosmall(void)
+{
+        struct notification *n = notification_load_icon_with_scaling(20, 100);
+
+        ASSERT_EQ(gdk_pixbuf_get_width(n->icon), 20);
+        ASSERT_EQ(gdk_pixbuf_get_height(n->icon), 20);
+
+        notification_unref(n);
+
+        PASS();
+}
+
+
+TEST test_notification_icon_scaling_toolarge(void)
+{
+        struct notification *n = notification_load_icon_with_scaling(5, 10);
+
+        ASSERT_EQ(gdk_pixbuf_get_width(n->icon), 10);
+        ASSERT_EQ(gdk_pixbuf_get_height(n->icon), 10);
+
+        notification_unref(n);
+
+        PASS();
+}
+
+TEST test_notification_icon_scaling_notconfigured(void)
+{
+        struct notification *n = notification_load_icon_with_scaling(0, 0);
+
+        ASSERT_EQ(gdk_pixbuf_get_width(n->icon), 16);
+        ASSERT_EQ(gdk_pixbuf_get_height(n->icon), 16);
+
+        notification_unref(n);
+
+        PASS();
+}
+
+TEST test_notification_icon_scaling_notneeded(void)
+{
+        struct notification *n = notification_load_icon_with_scaling(10, 20);
+
+        ASSERT_EQ(gdk_pixbuf_get_width(n->icon), 16);
+        ASSERT_EQ(gdk_pixbuf_get_height(n->icon), 16);
+
+        notification_unref(n);
+
+        PASS();
+}
+
 TEST test_notification_format_message(struct notification *n, const char *format, const char *exp)
 {
         n->format = format;
@@ -167,6 +238,10 @@ SUITE(suite_notification)
         RUN_TEST(test_notification_is_duplicate);
         RUN_TEST(test_notification_replace_single_field);
         RUN_TEST(test_notification_referencing);
+        RUN_TEST(test_notification_icon_scaling_toosmall);
+        RUN_TEST(test_notification_icon_scaling_toolarge);
+        RUN_TEST(test_notification_icon_scaling_notconfigured);
+        RUN_TEST(test_notification_icon_scaling_notneeded);
 
         // TEST notification_format_message
         struct notification *a = notification_create();