[discident-glib] test: Allow loading Amazon parameters from config file

[Bastien Nocera <hadess src gnome org>]

commit 53ba52df2ab24961acfaf37af95c4f2fad94a9fe
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Dec 21 20:26:41 2015 +0100

    test: Allow loading Amazon parameters from config file
    
    In ~/.config/discident-glib/amazon-config.ini :
    
    [amz]
    access-key=AKEXAMPLE
    private-key=NANANANANANABatMan
    associate-tag=example-01
    
    If requests fail for you, verify that your credentials are correct in
    the Amazon Product Advertising API Scratchpad:
    http://webservices.amazon.fr/scratchpad/index.html

 discident-glib/test-diglib.c |   36 +++++++++++++++++++++++++++++++++---
 1 files changed, 33 insertions(+), 3 deletions(-)
---
diff --git a/discident-glib/test-diglib.c b/discident-glib/test-diglib.c
index fcc8f6b..b57c6ba 100644
--- a/discident-glib/test-diglib.c
+++ b/discident-glib/test-diglib.c
@@ -345,14 +345,44 @@ bail:
                g_main_loop_quit (loop);
 }
 
+static void
+load_from_config (void)
+{
+       GKeyFile *key_file;
+       char *config_path;
+
+       config_path = g_build_filename (g_get_user_config_dir (),
+                                       "discident-glib",
+                                       "amazon-config.ini",
+                                       NULL);
+       key_file = g_key_file_new ();
+       if (!g_key_file_load_from_file (key_file, config_path, G_KEY_FILE_NONE, NULL)) {
+               g_test_skip ("Could not load Amazon config file");
+               g_free (config_path);
+               g_key_file_unref (key_file);
+               return;
+       }
+       g_free (config_path);
+
+       if (!access_key)
+               access_key = g_key_file_get_string (key_file, "amz", DISCIDENT_PARAM_ACCESS_KEY, NULL);
+       if (!private_key)
+               private_key = g_key_file_get_string (key_file, "amz", DISCIDENT_PARAM_PRIVATE_KEY, NULL);
+       if (!associate_tag)
+               associate_tag = g_key_file_get_string (key_file, "amz", DISCIDENT_PARAM_ASSOCIATE_TAG, NULL);
+
+       g_key_file_unref (key_file);
+}
+
 static GHashTable *
 create_params (void)
 {
        GHashTable *params;
 
-       if (!access_key &&
-           !private_key &&
-           !associate_tag)
+       if (!access_key || !private_key || !associate_tag)
+               load_from_config ();
+
+       if (!access_key || !private_key || !associate_tag)
                return NULL;
 
        params = g_hash_table_new (g_str_hash, g_str_equal);