Move modules to ccan/ tools to tools/

[ccan] / ccan / tap / test / run.c

diff --git a/ccan/tap/test/run.c b/ccan/tap/test/run.c
new file mode 100644 (file)
index 0000000..2f718cc
--- /dev/null
+++ b/ccan/tap/test/run.c
@@ -0,0 +1,118 @@
+/* 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 "tap/tap.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <err.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <fnmatch.h>
+
+/* We dup stderr to here. */
+static int stderrfd;
+
+/* 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(stderrfd, "# ", 2);
+       write(stderrfd, buf, strlen(buf));
+       write(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;
+
+       printf("1..1\n");
+       fflush(stdout);
+       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 (*tap/test/run.c:main() at line 77)\n");
+
+       ok1(true);
+       expect(p[0], "ok 3 - true\n");
+
+       ok1(false);
+       expect(p[0], "not ok 4 - false\n"
+              "#     Failed test (*tap/test/run.c:main() at line 84)\n");
+
+       pass("passed");
+       expect(p[0], "ok 5 - passed\n");
+
+       fail("failed");
+       expect(p[0], "not ok 6 - failed\n"
+              "#     Failed test (*tap/test/run.c:main() at line 91)\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 (*tap/test/run.c:main() at line 100)\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(stdoutfd, "ok 1 - All passed\n", strlen("ok 1 - All passed\n"));
+       _exit(0);
+}