[evolution] Add /image/insert HTML editor unit test

[Milan Crha <mcrha src gnome org>]

commit 339b37186221adc9a5b0511ce1a5fb9715130414
Author: Milan Crha <mcrha redhat com>
Date:   Wed Aug 24 08:09:32 2016 +0200

    Add /image/insert HTML editor unit test

 e-util/Makefile.am              |    1 +
 e-util/test-html-editor-units.c |   53 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 0 deletions(-)
---
diff --git a/e-util/Makefile.am b/e-util/Makefile.am
index 878a02b..1efa1d6 100644
--- a/e-util/Makefile.am
+++ b/e-util/Makefile.am
@@ -127,6 +127,7 @@ libevolution_util_la_CPPFLAGS = \
        -DEVOLUTION_RULEDIR=\"$(ruledir)\" \
        -DEVOLUTION_WEB_EXTENSIONS_DIR=\""$(webextensionsdir)"\" \
        -DEVOLUTION_TESTGIOMODULESDIR=\"$(privsolibtestgiomodulesdir)\" \
+       -DEVOLUTION_TESTTOPSRCDIR=\"$(abs_top_srcdir)\" \
        -DG_LOG_DOMAIN=\"evolution-util\" \
        $(EVOLUTION_DATA_SERVER_CFLAGS) \
        $(GNOME_PLATFORM_CFLAGS) \
diff --git a/e-util/test-html-editor-units.c b/e-util/test-html-editor-units.c
index ebb8824..a76be3c 100644
--- a/e-util/test-html-editor-units.c
+++ b/e-util/test-html-editor-units.c
@@ -931,6 +931,58 @@ test_h_rule_insert_text_after (TestFixture *fixture)
 }
 
 static void
+test_image_insert (TestFixture *fixture)
+{
+       EContentEditor *cnt_editor;
+       gchar *expected_html;
+       gchar *filename;
+       gchar *uri;
+       gchar *image_data;
+       gchar *image_data_base64;
+       gsize image_data_length;
+       GError *error = NULL;
+
+       if (!test_utils_process_commands (fixture,
+               "mode:html\n"
+               "type:before*\n")) {
+               g_test_fail ();
+               return;
+       }
+
+       filename = g_build_filename (EVOLUTION_TESTTOPSRCDIR, "data", "icons", 
"hicolor_actions_24x24_stock_people.png", NULL);
+       uri = g_filename_to_uri (filename, NULL, &error);
+       g_assert_no_error (error);
+
+       g_file_get_contents (filename, &image_data, &image_data_length, &error);
+       g_assert_no_error (error);
+
+       g_free (filename);
+
+       /* Mimic what the action:insert-image does, without invoking the image chooser dialog */
+       cnt_editor = e_html_editor_get_content_editor (fixture->editor);
+       e_content_editor_insert_image (cnt_editor, uri);
+
+       g_free (uri);
+
+       image_data_base64 = g_base64_encode ((const guchar *) image_data, image_data_length);
+       g_return_if_fail (image_data_base64 != NULL);
+
+       expected_html = g_strconcat (HTML_PREFIX "<p>before*<img src=\"data:image/png;base64,",
+               image_data_base64, "\">+after</p>" HTML_SUFFIX, NULL);
+
+       g_free (image_data_base64);
+       g_free (image_data);
+
+       if (!test_utils_run_simple_test (fixture,
+               "type:+after\n",
+               expected_html,
+               "before*+after"))
+               g_test_fail ();
+
+       g_free (expected_html);
+}
+
+static void
 test_emoticon_insert_typed (TestFixture *fixture)
 {
        test_utils_fixture_change_setting_boolean (fixture, "org.gnome.evolution.mail", 
"composer-magic-smileys", TRUE);
@@ -2600,6 +2652,7 @@ main (gint argc,
        test_utils_add_test ("/link/insert/typed/remove", test_link_insert_typed_remove);
        test_utils_add_test ("/h-rule/insert", test_h_rule_insert);
        test_utils_add_test ("/h-rule/insert-text-after", test_h_rule_insert_text_after);
+       test_utils_add_test ("/image/insert", test_image_insert);
        test_utils_add_test ("/emoticon/insert/typed", test_emoticon_insert_typed);
        test_utils_add_test ("/emoticon/insert/typed-dash", test_emoticon_insert_typed_dash);
        test_utils_add_test ("/paragraph/normal/selection", test_paragraph_normal_selection);