Initial import of test branch from vis repository

1 files changed, 133 insertions, 0 deletions

diff --git a/core/ccan/tap/test/run.c b/core/ccan/tap/test/run.c
new file mode 100644
index 0000000..fb039a8
--- /dev/null
+++ b/core/ccan/tap/test/run.c
@@ -0,0 +1,133 @@
+/* We use the fact that pipes have a buffer greater than the size of
+ * any output, and change stdout and stderr to use that.
+ *
+ * Since we don't use libtap for output, this looks like one big test. */
+#include <ccan/tap/tap.h>
+#include <ccan/tap/tap.c>
+#include <stdio.h>
+#include <limits.h>
+#include <err.h>
+#include <string.h>
+#include <stdbool.h>
+#include <fnmatch.h>
+
+
+
+/* We dup stderr to here. */
+static int stderrfd;
+
+/* write_all inlined here to avoid circular dependency. */
+static void write_all(int fd, const void *data, size_t size)
+{
+	while (size) {
+		ssize_t done;
+
+		done = write(fd, data, size);
+		if (done <= 0)
+			_exit(1);
+		data = (const char *)data + done;
+		size -= done;
+	}
+}
+
+/* Simple replacement for err() */
+static void failmsg(const char *fmt, ...)
+{
+ 	char buf[1024];
+	va_list ap;
+
+	/* Write into buffer. */
+	va_start(ap, fmt);
+	vsprintf(buf, fmt, ap);
+	va_end(ap);
+
+	write_all(stderrfd, "# ", 2);
+	write_all(stderrfd, buf, strlen(buf));
+	write_all(stderrfd, "\n", 1);
+	_exit(1);
+}
+
+static void expect(int fd, const char *pattern)
+{
+ 	char buffer[PIPE_BUF+1];
+	int r;
+
+	r = read(fd, buffer, sizeof(buffer)-1);
+	if (r < 0)
+		failmsg("reading from pipe");
+	buffer[r] = '\0';
+
+	if (fnmatch(pattern, buffer, 0) != 0)
+		failmsg("Expected '%s' got '%s'", pattern, buffer);
+}
+
+int main(int argc, char *argv[])
+{
+	int p[2];
+	int stdoutfd;
+
+	setbuf(stdout, 0);
+	printf("1..1\n");
+	stderrfd = dup(STDERR_FILENO);
+	if (stderrfd < 0)
+		err(1, "dup of stderr failed");
+
+	stdoutfd = dup(STDOUT_FILENO);
+	if (stdoutfd < 0)
+		err(1, "dup of stdout failed");
+
+	if (pipe(p) != 0)
+		failmsg("pipe failed");
+
+	if (dup2(p[1], STDERR_FILENO) < 0 || dup2(p[1], STDOUT_FILENO) < 0)
+		failmsg("Duplicating file descriptor");
+
+	plan_tests(10);
+	expect(p[0], "1..10\n");
+
+	ok(1, "msg1");
+	expect(p[0], "ok 1 - msg1\n");
+
+	ok(0, "msg2");
+	expect(p[0], "not ok 2 - msg2\n"
+	       "#     Failed test (*test/run.c:main() at line 91)\n");
+
+	ok1(true);
+	expect(p[0], "ok 3 - true\n");
+
+	ok1(false);
+ 	expect(p[0], "not ok 4 - false\n"
+	       "#     Failed test (*test/run.c:main() at line 98)\n");
+
+	pass("passed");
+ 	expect(p[0], "ok 5 - passed\n");
+
+	fail("failed");
+ 	expect(p[0], "not ok 6 - failed\n"
+	       "#     Failed test (*test/run.c:main() at line 105)\n");
+
+	skip(2, "skipping %s", "test");
+ 	expect(p[0], "ok 7 # skip skipping test\n"
+	       "ok 8 # skip skipping test\n");
+
+	todo_start("todo");
+	ok1(false);
+	expect(p[0], "not ok 9 - false # TODO todo\n"
+	       "#     Failed (TODO) test (*test/run.c:main() at line 114)\n");
+	ok1(true);
+	expect(p[0], "ok 10 - true # TODO todo\n");
+	todo_end();
+
+	if (exit_status() != 3)
+		failmsg("Expected exit status 3, not %i", exit_status());
+
+#if 0
+	/* Manually run the atexit command. */
+	_cleanup();
+	expect(p[0], "# Looks like you failed 2 tests of 9.\n");
+#endif
+
+	write_all(stdoutfd, "ok 1 - All passed\n",
+		  strlen("ok 1 - All passed\n"));
+	exit(0);
+}