First Commit

libui-ng/old/_future/unittest/testing_testing.c

@@ -0,0 +1,144 @@
+// 27 february 2018
+#include <stdio.h>
+#include <stdlib.h>
+#include <setjmp.h>
+#include "testing.h"
+
+#define testingprivNew(T) ((T *) malloc(sizeof (T)))
+
+struct defer {
+	void (*f)(void *);
+	void *data;
+	struct defer *next;
+};
+
+struct testingT {
+	const char *name;
+	void (*f)(testingT *);
+	int failed;
+	int skipped;
+	jmp_buf returnNowBuf;
+	struct defer *defers;
+	int defersRun;
+	testingT *next;
+};
+
+static testingT *tests = NULL;
+
+void testingprivRegisterTest(const char *name, void (*f)(testingT *))
+{
+	testingT *t;
+
+	t = testingprivNew(testingT);
+	t->name = name;
+	t->f = f;
+	t->failed = 0;
+	t->skipped = 0;
+	t->defers = NULL;
+	t->defersRun = 0;
+	// TODO add in the order called
+	t->next = tests;
+	tests = t;
+}
+
+static void runDefers(testingT *t)
+{
+	struct defer *d;
+
+	if (t->defersRun)
+		return;
+	t->defersRun = 1;
+	for (d = t->defers; d != NULL; d = d->next)
+		(*(d->f))(d->data);
+}
+
+int testingMain(void)
+{
+	testingT *t;
+	int anyFailed;
+	const char *status;
+
+	// TODO see if this should run if all tests are skipped
+	if (tests == NULL) {
+		fprintf(stderr, "warning: no tests to run\n");
+		// imitate Go here (TODO confirm this)
+		return 0;
+	}
+
+	anyFailed = 0;
+	for (t = tests; t != NULL; t = t->next) {
+		printf("=== RUN   %s\n", t->name);
+		if (setjmp(t->returnNowBuf) == 0)
+			(*(t->f))(t);
+		runDefers(t);
+		status = "PASS";
+		if (t->failed) {
+			status = "FAIL";
+			anyFailed = 1;
+		} else if (t->skipped)
+			// note that failed overrides skipped
+			status = "SKIP";
+		printf("--- %s: %s (%s)\n", status, t->name, "TODO");
+	}
+
+	if (anyFailed) {
+		printf("FAIL\n");
+		return 1;
+	}
+	printf("PASS\n");
+	return 0;
+}
+
+void testingprivTLogfFull(testingT *t, const char *file, int line, const char *format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+	testingprivTLogvfFull(t, file, line, format, ap);
+	va_end(ap);
+}
+
+void testingprivTLogvfFull(testingT *t, const char *file, int line, const char *format, va_list ap)
+{
+	// TODO extract filename from file
+	printf("\t%s:%d: ", file, line);
+	// TODO split into lines separated by \n\t\t and trimming trailing empty lines
+	vprintf(format, ap);
+	printf("\n");
+}
+
+void testingTFail(testingT *t)
+{
+	t->failed = 1;
+}
+
+static void returnNow(testingT *t)
+{
+	// run defers before calling longjmp() just to be safe
+	runDefers(t);
+	longjmp(t->returnNowBuf, 1);
+}
+
+void testingprivTDoFailNow(testingT *t)
+{
+	testingTFail(t);
+	returnNow(t);
+}
+
+void testingprivTDoSkipNow(testingT *t)
+{
+	t->skipped = 1;
+	returnNow(t);
+}
+
+void testingTDefer(testingT *t, void (*f)(void *data), void *data)
+{
+	struct defer *d;
+
+	d = testingprivNew(struct defer);
+	d->f = f;
+	d->data = data;
+	// add to the head of the list so defers are run in reverse order of how they were added
+	d->next = t->defers;
+	t->defers = d;
+}