twister

commit 7bf67d2022d6acadbf5beda3d030ccfb4d2238be
parent 3952ac7133bca700817dfa18a24adbc1116d9aed
Author: Marcello Stanisci <stanisci.m@gmail.com>
Date:   Wed,  7 Mar 2018 14:35:14 +0100

test command to empty objects.

Diffstat:
M
src/include/taler_twister_testing_lib.h
 | 
16
++++++++++++++++
M
src/twister/testing_api_cmd_exec_client.c
 | 
135
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 151 insertions(+), 0 deletions(-)
diff --git a/src/include/taler_twister_testing_lib.h b/src/include/taler_twister_testing_lib.h
@@ -47,5 +47,21 @@ TALER_TESTING_cmd_hack_response_code (const char *label,
                                       unsigned int http_status);
 
 
+/**
+ * This command replaces the JSON object contained in the
+ * response and pointed by @a path, with a empty one ("{}").
+ *
+ * @param label command label
+ * @param config_filename configuration filename.
+ * @param path object-like path notation to point the object
+ *        to be made empty.  "f1.0.f2" will empty the object
+ *        {"f1": [{"f2": {will be emptied. }}]}.
+ *
+ * @return the command
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_empty_object (const char *label,
+                                const char *config_filename,
+                                const char *path);
 
 #endif
diff --git a/src/twister/testing_api_cmd_exec_client.c b/src/twister/testing_api_cmd_exec_client.c
@@ -29,6 +29,25 @@
 #include <taler/taler_testing_lib.h>
 #include "taler_twister_testing_lib.h"
 
+struct EmptyObjectState
+{
+  /**
+   * Process handle for the twister CLI client.
+   */
+  struct GNUNET_OS_Process *proc;
+
+  /**
+   * Object-like notation to the object to make empty.
+   */
+  const char *path;
+
+  /**
+   * Config file name to pass to the CLI client.
+   */
+  const char *config_filename;
+};
+
+
 struct HackResponseCodeState
 {
   /**
@@ -164,3 +183,119 @@ TALER_TESTING_cmd_hack_response_code (const char *label,
 
   return cmd;
 }
+
+/**
+ * Clean up after the command.  Run during forced termination
+ * (CTRL-C) or test failure or test success.
+ *
+ * @param cls closure
+ */
+static void
+empty_object_cleanup
+  (void *cls,
+   const struct TALER_TESTING_Command *cmd)
+{
+  struct EmptyObjectState *eos = cls;
+
+  if (NULL != eos->proc)
+  {
+    GNUNET_break (0 == GNUNET_OS_process_kill (eos->proc,
+                                               SIGKILL));
+    GNUNET_OS_process_wait (eos->proc);
+    GNUNET_OS_process_destroy (eos->proc);
+    eos->proc = NULL;
+  }
+  GNUNET_free (eos);
+}
+
+/**
+ * Extract information from a command that is useful for other
+ * commands.
+ *
+ * @param cls closure
+ * @param ret[out] result (could be anything)
+ * @param trait name of the trait
+ * @param selector more detailed information about which object
+ *                 to return in case there were multiple generated
+ *                 by the command
+ * @return #GNUNET_OK on success
+ */
+static int
+empty_object_traits (void *cls,
+                     void **ret,
+                     const char *trait,
+                     unsigned int index)
+{
+
+  struct EmptyObjectState *eos = cls;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_process (0, &eos->proc),
+    TALER_TESTING_trait_end ()
+  };
+
+  return TALER_TESTING_get_trait (traits,
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+/**
+ * FIXME: document.
+ */
+static void
+empty_object_run (void *cls,
+                        const struct TALER_TESTING_Command *cmd,
+                        struct TALER_TESTING_Interpreter *is)
+{
+  struct EmptyObjectState *eos = cls;
+
+  eos->proc = GNUNET_OS_start_process (GNUNET_NO,
+                                       GNUNET_OS_INHERIT_STD_ALL,
+                                       NULL, NULL, NULL,
+                                       "taler-twister",
+                                       "taler-twister",
+                                       "-c", eos->config_filename,
+                                       "--emptyobject", eos->path,
+                                       NULL);
+  if (NULL == eos->proc)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  TALER_TESTING_wait_for_sigchld (is);
+}
+
+
+/**
+ * This command replaces the JSON object contained in the
+ * response and pointed by @a path, with a empty one ("{}").
+ *
+ * @param label command label
+ * @param config_filename configuration filename.
+ * @param path object-like path notation to point the object
+ *        to be made empty.
+ *
+ * @return the command
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_empty_object (const char *label,
+                                const char *config_filename,
+                                const char *path)
+{
+  struct EmptyObjectState *eos;
+  struct TALER_TESTING_Command cmd;
+
+  eos = GNUNET_new (struct EmptyObjectState);
+  eos->path = path;
+  eos->config_filename = config_filename;
+
+  cmd.label = label;
+  cmd.run = &empty_object_run;
+  cmd.cleanup = &empty_object_cleanup;
+  cmd.traits = &empty_object_traits;
+  cmd.cls = eos;
+
+  return cmd;
+}