libvilistextum: Add tests

A lot of these are broken and commented out so far.

I changed libvilistetum to add \n between lines, not just at the end
of every line to make it easier to do "nothing should change" tests.

Part of #741

4 files changed, 103 insertions, 2 deletions

diff --git a/libraries/libVilistextum/fileio.c b/libraries/libVilistextum/fileio.c
index b82c50f2..637df68b 100644
--- a/libraries/libVilistextum/fileio.c
+++ b/libraries/libVilistextum/fileio.c
@@ -55,6 +55,7 @@ void open_files(char *input)
 
 void output_string(CHAR *str)
 {
+	int output_was_empty = currentsize == 0;
 	currentsize += wcslen(str) + wcslen(LINEBREAK);
 
 	if(currentsize > outputsize)
@@ -67,8 +68,10 @@ void output_string(CHAR *str)
 		OUTPUT = realloc(OUTPUT, sizeof(CHAR)*(outputsize+1));
 	}
 
+	if (!output_was_empty){
+		wcscat(OUTPUT, LINEBREAK);
+	}
 	wcscat(OUTPUT, str);
-	wcscat(OUTPUT, LINEBREAK);
 }
 
 /* ------------------------------------------------ */
diff --git a/libraries/libVilistextum/vilistextum_main.c b/libraries/libVilistextum/main.c
index 169c7c5b..169c7c5b 100644
--- a/libraries/libVilistextum/vilistextum_main.c
+++ b/libraries/libVilistextum/main.c
diff --git a/libraries/libVilistextum/meson.build b/libraries/libVilistextum/meson.build
index ebb8e46b..09b61963 100644
--- a/libraries/libVilistextum/meson.build
+++ b/libraries/libVilistextum/meson.build
@@ -19,5 +19,18 @@ vilistextum_lib = static_library(
 
 vilistextum_main = executable(
 	'vilistextum_main',
-	'vilistextum_main.c',
+	'main.c',
 	link_with: vilistextum_lib)
+
+vilistextum_test = executable(
+	'vilistextum_test',
+	'test.c',
+	link_with: vilistextum_lib,
+	dependencies: [ glib ])
+
+
+if gtester.found()
+    test('Vilistextum', gtester, args:['-k', '-o', meson.build_root() + '/vilistextum.gtester.log', vilistextum_test])
+else
+    test('Vilistextum', vilistextum_test)
+endif
diff --git a/libraries/libVilistextum/test.c b/libraries/libVilistextum/test.c
new file mode 100644
index 00000000..cf138025
--- /dev/null
+++ b/libraries/libVilistextum/test.c
@@ -0,0 +1,85 @@
+#include <glib.h>
+
+#include "vilistextum.h"
+
+static void test_changed_inputs_with_html(void)
+{
+	char* inputs[][2] = {
+		{"<h ", "<h"},
+		{"a\nb", "a b"},
+		{"a<br>b", "a<br>b"},
+		//{"test&nbsp;two", "test\xa0two"},
+		//{"test&#160;two", "test\xa0two"},
+		//{"test&#160two", "test\xa0two"}
+	};
+	for (size_t i = 0; i < sizeof(inputs) / sizeof(char*[2]); ++i)
+	{
+		char* input = inputs[i][0];
+		char* output = vilistextum(input, 0);
+		char* expect = inputs[i][1];
+		g_assert_cmpstr(output, ==, expect);
+	}
+}
+
+static void test_unchanged_inputs_with_html(void)
+{
+	char* inputs[] = {
+		"&",
+		"<",
+		"<h",
+		"<r \xfd\xbd\xbd\xbd\xbd\xbd",
+		"test&nbsptwo"
+	};
+	for (size_t i = 0; i < sizeof(inputs) / sizeof(char*); ++i)
+	{
+		char* input = inputs[i];
+		char* output = vilistextum(input, 0);
+		g_assert_cmpstr(output, ==, input);
+	}
+}
+
+static void test_changed_inputs_without_html(void)
+{
+	char* inputs[][2] = {
+		//{"<h ", "<h"},
+		{"a\nb", "a b"},
+		{"a<br/>b", "a\nb"},
+		//{"test&nbsp;two", "test\xa0two"},
+		//{"test&#160;two", "test\xa0two"},
+		//{"test&#160two", "test\xa0two"}
+	};
+	for (size_t i = 0; i < sizeof(inputs) / sizeof(char*[2]); ++i)
+	{
+		char* input = inputs[i][0];
+		char* output = vilistextum(input, 1);
+		char* expect = inputs[i][1];
+		g_assert_cmpstr(output, ==, expect);
+	}
+}
+
+static void test_unchanged_inputs_without_html(void)
+{
+	char* inputs[] = {
+		"&",
+		"<",
+		//"<h",
+		//"<r \xfd\xbd\xbd\xbd\xbd\xbd",
+		"test&nbsptwo"
+	};
+	for (size_t i = 0; i < sizeof(inputs) / sizeof(char*); ++i)
+	{
+		char* input = inputs[i];
+		char* output = vilistextum(input, 1);
+		g_assert_cmpstr(output, ==, input);
+	}
+}
+
+int main(int argc, char **argv)
+{
+	g_test_init(&argc, &argv, NULL);
+	g_test_add_func("/vilistextum/unchanged-inputs/with-html", test_unchanged_inputs_with_html);
+	g_test_add_func("/vilistextum/changed-inputs/with-html", test_changed_inputs_with_html);
+	g_test_add_func("/vilistextum/unchanged-inputs/text-only", test_unchanged_inputs_without_html);
+	g_test_add_func("/vilistextum/changed-inputs/text-only", test_changed_inputs_without_html);
+	return g_test_run();
+}