test/lib: add process tests

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

diff --git a/test/lib/Makefile.am b/test/lib/Makefile.am
index 16052c62eb116818351959f44f9b07237537b52a..3b4d8cb4767d0428d77e378270027e8bb8af3c59 100644 (file)
--- a/test/lib/Makefile.am
+++ b/test/lib/Makefile.am
@@ -20,10 +20,16 @@ AM_CPPFLAGS = \
 
 AM_CFLAGS = -O0 -ggdb -Wall -Wextra -Werror
 
 
 AM_CFLAGS = -O0 -ggdb -Wall -Wextra -Werror
 

-list_test_SOURCES = list-test.c
-list_test_LDADD = ../../lib/libpbcore.la
+LDADD = ../../lib/libpbcore.la

 
 

-check_PROGRAMS = list-test
-TESTS = list-test
+check_PROGRAMS = list-test \
+       test-process-noargs \
+       test-process-sync \
+       test-process-sync-stdout \
+       test-process-async \
+       test-process-async-stdout \
+       test-process-both
+
+TESTS = $(check_PROGRAMS)

 
 MAINTAINERCLEANFILES = Makefile.in
 
 MAINTAINERCLEANFILES = Makefile.in

diff --git a/test/lib/test-process-async-stdout.c b/test/lib/test-process-async-stdout.c
new file mode 100644 (file)
index 0000000..fab9e39
--- /dev/null
+++ b/test/lib/test-process-async-stdout.c
@@ -0,0 +1,79 @@
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <process/process.h>
+#include <waiter/waiter.h>
+#include <talloc/talloc.h>
+
+static int do_child(void)
+{
+       printf("forty two\n");
+       return 42;
+}
+
+struct test {
+       bool    exited;
+       int     exit_status;
+       char    *stdout_buf;
+       int     stdout_len;
+};
+
+static void exit_cb(struct process *process)
+{
+       struct test *test = process->data;
+
+       test->exited = true;
+       test->exit_status = process->exit_status;
+
+       test->stdout_len = process->stdout_len;
+       test->stdout_buf = talloc_steal(test, process->stdout_buf);
+}
+
+int main(int argc, char **argv)
+{
+       struct waitset *waitset;
+       struct process *process;
+       const char *child_argv[3];
+       struct test *test;
+
+       if (argc == 2 && !strcmp(argv[1], "child"))
+               return do_child();
+
+       test = talloc_zero(NULL, struct test);
+
+       waitset = waitset_create(test);
+
+       process_init(test, waitset);
+
+       child_argv[0] = argv[0];
+       child_argv[1] = "child";
+       child_argv[2] = NULL;
+
+       process = process_create(test);
+       process->path = child_argv[0];
+       process->argv = child_argv;
+       process->keep_stdout = true;
+       process->exit_cb = exit_cb;
+       process->data = test;
+
+       process_run_async(process);
+
+       for (;;) {
+               waiter_poll(waitset);
+
+               if (test->exited)
+                       break;
+       }
+
+       assert(WIFEXITED(test->exit_status));
+       assert(WEXITSTATUS(test->exit_status) == 42);
+       assert(test->stdout_len == strlen("forty two\n"));
+       assert(test->stdout_buf);
+       assert(!memcmp(test->stdout_buf, "forty two\n", strlen("forty two\n")));
+
+       talloc_free(test);
+
+       return EXIT_SUCCESS;
+}

diff --git a/test/lib/test-process-async.c b/test/lib/test-process-async.c
new file mode 100644 (file)
index 0000000..61780ad
--- /dev/null
+++ b/test/lib/test-process-async.c
@@ -0,0 +1,66 @@
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <process/process.h>
+#include <waiter/waiter.h>
+#include <talloc/talloc.h>
+
+static int do_child(void)
+{
+       return 42;
+}
+
+static bool exited;
+static int exit_status;
+
+static void exit_cb(struct process *process)
+{
+       exited = true;
+       exit_status = process->exit_status;
+}
+
+int main(int argc, char **argv)
+{
+       struct waitset *waitset;
+       struct process *process;
+       const char *child_argv[3];
+       void *ctx;
+
+       if (argc == 2 && !strcmp(argv[1], "child"))
+               return do_child();
+
+       ctx = talloc_new(NULL);
+
+       waitset = waitset_create(ctx);
+
+       process_init(ctx, waitset);
+
+       child_argv[0] = argv[0];
+       child_argv[1] = "child";
+       child_argv[2] = NULL;
+
+       process = process_create(ctx);
+       process->path = child_argv[0];
+       process->argv = child_argv;
+       process->exit_cb = exit_cb;
+
+       exited = false;
+
+       process_run_async(process);
+
+       for (;;) {
+               waiter_poll(waitset);
+
+               if (exited)
+                       break;
+       }
+
+       assert(WIFEXITED(exit_status));
+       assert(WEXITSTATUS(exit_status) == 42);
+
+       talloc_free(ctx);
+
+       return EXIT_SUCCESS;
+}

diff --git a/test/lib/test-process-both.c b/test/lib/test-process-both.c
new file mode 100644 (file)
index 0000000..75e601c
--- /dev/null
+++ b/test/lib/test-process-both.c
@@ -0,0 +1,122 @@
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#include <process/process.h>
+#include <waiter/waiter.h>
+#include <talloc/talloc.h>
+
+static const char *async_fifo = "/tmp/test-process-both.fifo";
+
+static int do_sync_child(void)
+{
+       return 42;
+}
+
+static int do_async_child(void)
+{
+       char c;
+       int fd;
+
+       fd = open(async_fifo, O_RDONLY);
+       assert(fd >= 0);
+
+       read(fd, &c, 1);
+
+       assert(c == 1);
+
+       return 43;
+}
+
+struct test {
+       int             async_fd;
+       struct process  *sync_process;
+       struct process  *async_process;
+
+       bool            async_exited;
+       int             async_exit_status;
+
+};
+
+static void async_exit_cb(struct process *process)
+{
+       struct test *test = process->data;
+       test->async_exited = true;
+       test->async_exit_status = process->exit_status;
+}
+
+int main(int argc, char **argv)
+{
+       const char *sync_child_argv[3], *async_child_argv[3];
+       struct waitset *waitset;
+       struct test *test;
+       char c;
+       int rc;
+
+       if (argc == 2 && !strcmp(argv[1], "sync-child"))
+               return do_sync_child();
+
+       if (argc == 2 && !strcmp(argv[1], "async-child"))
+               return do_async_child();
+
+       test = talloc_zero(NULL, struct test);
+
+       unlink(async_fifo);
+       rc = mkfifo(async_fifo, 0600);
+       assert(rc == 0);
+
+       waitset = waitset_create(test);
+
+       process_init(test, waitset);
+
+       sync_child_argv[0] = argv[0];
+       sync_child_argv[1] = "sync-child";
+       sync_child_argv[2] = NULL;
+
+       test->sync_process = process_create(test);
+       test->sync_process->path = sync_child_argv[0];
+       test->sync_process->argv = sync_child_argv;
+
+       async_child_argv[0] = argv[0];
+       async_child_argv[1] = "async-child";
+       async_child_argv[2] = NULL;
+
+       test->async_process = process_create(test);
+       test->async_process->path = async_child_argv[0];
+       test->async_process->argv = async_child_argv;
+       test->async_process->exit_cb = async_exit_cb;
+       test->async_process->data = test;
+
+       process_run_async(test->async_process);
+
+       process_run_sync(test->sync_process);
+
+       assert(WIFEXITED(test->sync_process->exit_status));
+       assert(WEXITSTATUS(test->sync_process->exit_status) == 42);
+
+       /* now that the sync process has completed, let the async process
+        * exit */
+       test->async_fd = open(async_fifo, O_WRONLY);
+       assert(test->async_fd >= 0);
+       c = 1;
+       write(test->async_fd, &c, 1);
+
+       for (;;) {
+               waiter_poll(waitset);
+
+               if (test->async_exited)
+                       break;
+       }
+
+       assert(WIFEXITED(test->async_exit_status));
+       assert(WEXITSTATUS(test->async_exit_status) == 43);
+
+       talloc_free(test);
+
+       unlink(async_fifo);
+
+       return EXIT_SUCCESS;
+}

diff --git a/test/lib/test-process-noargs.c b/test/lib/test-process-noargs.c
new file mode 100644 (file)
index 0000000..02bdc58
--- /dev/null
+++ b/test/lib/test-process-noargs.c
@@ -0,0 +1,30 @@
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <process/process.h>
+#include <waiter/waiter.h>
+#include <talloc/talloc.h>
+
+int main(void)
+{
+       struct waitset *waitset;
+       int result;
+       void *ctx;
+
+       ctx = talloc_new(NULL);
+
+       waitset = waitset_create(ctx);
+
+       process_init(ctx, waitset);
+
+       result = process_run_simple(ctx, "true", NULL);
+
+       assert(WIFEXITED(result));
+       assert(WEXITSTATUS(result) == 0);
+
+       talloc_free(ctx);
+
+       return EXIT_SUCCESS;
+}

diff --git a/test/lib/test-process-sync-stdout.c b/test/lib/test-process-sync-stdout.c
new file mode 100644 (file)
index 0000000..96ccb75
--- /dev/null
+++ b/test/lib/test-process-sync-stdout.c
@@ -0,0 +1,53 @@
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <process/process.h>
+#include <waiter/waiter.h>
+#include <talloc/talloc.h>
+
+static int do_child(void)
+{
+       printf("forty two\n");
+       return 42;
+}
+
+int main(int argc, char **argv)
+{
+       struct waitset *waitset;
+       struct process *process;
+       const char *child_argv[3];
+       void *ctx;
+
+       if (argc == 2 && !strcmp(argv[1], "child"))
+               return do_child();
+
+       ctx = talloc_new(NULL);
+
+       waitset = waitset_create(ctx);
+
+       process_init(ctx, waitset);
+
+       child_argv[0] = argv[0];
+       child_argv[1] = "child";
+       child_argv[2] = NULL;
+
+       process = process_create(ctx);
+       process->path = child_argv[0];
+       process->argv = child_argv;
+       process->keep_stdout = true;
+
+       process_run_sync(process);
+
+       assert(WIFEXITED(process->exit_status));
+       assert(WEXITSTATUS(process->exit_status) == 42);
+
+       assert(process->stdout_len == strlen("forty two\n"));
+       assert(!memcmp(process->stdout_buf, "forty two\n",
+                               process->stdout_len));
+
+       talloc_free(ctx);
+
+       return EXIT_SUCCESS;
+}

diff --git a/test/lib/test-process-sync.c b/test/lib/test-process-sync.c
new file mode 100644 (file)
index 0000000..b47bdc6
--- /dev/null
+++ b/test/lib/test-process-sync.c
@@ -0,0 +1,47 @@
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <process/process.h>
+#include <waiter/waiter.h>
+#include <talloc/talloc.h>
+
+static int do_child(void)
+{
+       return 42;
+}
+
+int main(int argc, char **argv)
+{
+       struct waitset *waitset;
+       struct process *process;
+       const char *child_argv[3];
+       void *ctx;
+
+       if (argc == 2 && !strcmp(argv[1], "child"))
+               return do_child();
+
+       ctx = talloc_new(NULL);
+
+       waitset = waitset_create(ctx);
+
+       process_init(ctx, waitset);
+
+       child_argv[0] = argv[0];
+       child_argv[1] = "child";
+       child_argv[2] = NULL;
+
+       process = process_create(ctx);
+       process->path = child_argv[0];
+       process->argv = child_argv;
+
+       process_run_sync(process);
+
+       assert(WIFEXITED(process->exit_status));
+       assert(WEXITSTATUS(process->exit_status) == 42);
+
+       talloc_free(ctx);
+
+       return EXIT_SUCCESS;
+}