test template

6 files changed, 1170 insertions, 0 deletions

diff --git a/src/testing/Makefile.am b/src/testing/Makefile.am
index 20910048..827373e1 100644
--- a/src/testing/Makefile.am
+++ b/src/testing/Makefile.am
@@ -17,6 +17,7 @@ check_SCRIPTS = \
   test_merchant_order_creation.sh \
   test_merchant_transfer_tracking.sh
 
+
 lib_LTLIBRARIES = \
   libtalermerchanttesting.la
 
@@ -37,6 +38,7 @@ libtalermerchanttesting_la_SOURCES = \
   testing_api_cmd_get_reserves.c \
   testing_api_cmd_get_tips.c \
   testing_api_cmd_get_transfers.c \
+  testing_api_cmd_get_templates.c \
   testing_api_cmd_delete_instance.c \
   testing_api_cmd_delete_order.c \
   testing_api_cmd_delete_product.c \
@@ -55,6 +57,7 @@ libtalermerchanttesting_la_SOURCES = \
   testing_api_cmd_post_products.c \
   testing_api_cmd_post_reserves.c \
   testing_api_cmd_post_transfers.c \
+  testing_api_cmd_post_templates.c \
   testing_api_cmd_patch_instance.c \
   testing_api_cmd_patch_product.c \
   testing_api_cmd_refund_order.c \
diff --git a/src/testing/testing_api_cmd_delete_template.c b/src/testing/testing_api_cmd_delete_template.c
new file mode 100644
index 00000000..4ffe1dd8
--- /dev/null
+++ b/src/testing/testing_api_cmd_delete_template.c
@@ -0,0 +1,180 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3, or
+  (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file testing_api_cmd_delete_template.c
+ * @brief command to test DELETE /templates/$ID
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <taler/taler_exchange_service.h>
+#include <taler/taler_testing_lib.h>
+#include "taler_merchant_service.h"
+#include "taler_merchant_testing_lib.h"
+
+
+/**
+ * State of a "DELETE /templates/$ID" CMD.
+ */
+struct DeleteTemplateState
+{
+
+  /**
+   * Handle for a "DELETE template" request.
+   */
+  struct TALER_MERCHANT_TemplateDeleteHandle *tdh;
+
+  /**
+   * The interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Base URL of the merchant serving the request.
+   */
+  const char *merchant_url;
+
+  /**
+   * ID of the template to run DELETE for.
+   */
+  const char *template_id;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int http_status;
+
+};
+
+
+/**
+ * Callback for a /delete/templates/$ID operation.
+ *
+ * @param cls closure for this function
+ * @param hr response being processed
+ */
+static void
+delete_template_cb (void *cls,
+                   const struct TALER_MERCHANT_HttpResponse *hr)
+{
+  struct DeleteTemplateState *dis = cls;
+
+  dis->tdh = NULL;
+  if (dis->http_status != hr->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u (%d) to command %s\n",
+                hr->http_status,
+                (int) hr->ec,
+                TALER_TESTING_interpreter_get_current_label (dis->is));
+    TALER_TESTING_interpreter_fail (dis->is);
+    return;
+  }
+  switch (hr->http_status)
+  {
+  case MHD_HTTP_NO_CONTENT:
+    break;
+  case MHD_HTTP_UNAUTHORIZED:
+    break;
+  case MHD_HTTP_NOT_FOUND:
+    break;
+  case MHD_HTTP_CONFLICT:
+    break;
+  default:
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unhandled HTTP status %u for DELETE template.\n",
+                hr->http_status);
+  }
+  TALER_TESTING_interpreter_next (dis->is);
+}
+
+
+/**
+ * Run the "DELETE template" CMD.
+ *
+ *
+ * @param cls closure.
+ * @param cmd command being run now.
+ * @param is interpreter state.
+ */
+static void
+delete_template_run (void *cls,
+                    const struct TALER_TESTING_Command *cmd,
+                    struct TALER_TESTING_Interpreter *is)
+{
+  struct DeleteTemplateState *dis = cls;
+
+  dis->is = is;
+  dis->tdh = TALER_MERCHANT_template_delete (is->ctx,
+                                            dis->merchant_url,
+                                            dis->template_id,
+                                            &delete_template_cb,
+                                            dis);
+  GNUNET_assert (NULL != dis->tdh);
+}
+
+
+/**
+ * Free the state of a "DELETE template" CMD, and possibly
+ * cancel a pending operation thereof.
+ *
+ * @param cls closure.
+ * @param cmd command being run.
+ */
+static void
+delete_template_cleanup (void *cls,
+                        const struct TALER_TESTING_Command *cmd)
+{
+  struct DeleteTemplateState *dis = cls;
+
+  if (NULL != dis->tdh)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "DELETE /templates/$ID operation did not complete\n");
+    TALER_MERCHANT_template_delete_cancel (dis->tdh);
+  }
+  GNUNET_free (dis);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_merchant_delete_template (const char *label,
+                                           const char *merchant_url,
+                                           const char *template_id,
+                                           unsigned int http_status)
+{
+  struct DeleteTemplateState *dis;
+
+  dis = GNUNET_new (struct DeleteTemplateState);
+  dis->merchant_url = merchant_url;
+  dis->template_id = template_id;
+  dis->http_status = http_status;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = dis,
+      .label = label,
+      .run = &delete_template_run,
+      .cleanup = &delete_template_cleanup
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_delete_template.c */
diff --git a/src/testing/testing_api_cmd_get_template.c b/src/testing/testing_api_cmd_get_template.c
new file mode 100644
index 00000000..178503c7
--- /dev/null
+++ b/src/testing/testing_api_cmd_get_template.c
@@ -0,0 +1,242 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3, or
+  (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file testing_api_cmd_get_template.c
+ * @brief command to test GET /templates/$ID
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <taler/taler_exchange_service.h>
+#include <taler/taler_testing_lib.h>
+#include "taler_merchant_service.h"
+#include "taler_merchant_testing_lib.h"
+
+
+/**
+ * State of a "GET template" CMD.
+ */
+struct GetTemplateState
+{
+
+  /**
+   * Handle for a "GET template request.
+   */
+  struct TALER_MERCHANT_TemplateGetHandle *igh;
+
+  /**
+   * The interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Base URL of the merchant serving the request.
+   */
+  const char *merchant_url;
+
+  /**
+   * ID of the template to run GET for.
+   */
+  const char *template_id;
+
+  /**
+   * Reference for a POST or PATCH /templates CMD (optional).
+   */
+  const char *template_reference;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int http_status;
+
+};
+
+
+/**
+ * Callback for a /get/templates/$ID operation.
+ *
+ * @param cls closure for this function
+ * @param hr HTTP response details
+ * @param template_description description of the template
+ * @param image base64-encoded template image
+ * @param template_contract where the contract of the company is
+ */
+static void
+get_template_cb (void *cls,
+                const struct TALER_MERCHANT_HttpResponse *hr,
+                const char *template_description,
+                const char *image,
+                const json_t *template_contract)
+{
+  struct GetTemplateState *gis = cls;
+  const struct TALER_TESTING_Command *template_cmd;
+
+  gis->igh = NULL;
+  if (gis->http_status != hr->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u (%d) to command %s\n",
+                hr->http_status,
+                (int) hr->ec,
+                TALER_TESTING_interpreter_get_current_label (gis->is));
+    TALER_TESTING_interpreter_fail (gis->is);
+    return;
+  }
+  switch (hr->http_status)
+  {
+  case MHD_HTTP_OK:
+    {
+      const char **expected_description;
+
+      template_cmd = TALER_TESTING_interpreter_lookup_command (
+        gis->is,
+        gis->template_reference);
+      if (GNUNET_OK !=
+          TALER_TESTING_get_trait_template_description (template_cmd,
+                                                       &expected_description))
+        TALER_TESTING_interpreter_fail (gis->is);
+      if (0 != strcmp (template_description,
+                       *expected_description))
+      {
+        GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                    "Template description does not match\n");
+        TALER_TESTING_interpreter_fail (gis->is);
+        return;
+      }
+    }
+    {
+      const char **expected_image;
+
+      if (GNUNET_OK !=
+          TALER_TESTING_get_trait_template_image (template_cmd,
+                                                 &expected_image))
+        TALER_TESTING_interpreter_fail (gis->is);
+      if (0 != strcmp (image,
+                       *expected_image))
+      {
+        GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                    "Template image does not match\n");
+        TALER_TESTING_interpreter_fail (gis->is);
+        return;
+      }
+    }
+    {
+      const json_t *expected_template_contract;
+
+      if (GNUNET_OK !=
+          TALER_TESTING_get_trait_template_contract (template_cmd,
+                                                     &expected_template_contract))
+        TALER_TESTING_interpreter_fail (gis->is);
+      if (1 != json_equal (template_contract,
+                           expected_template_contract))
+      {
+        GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                    "Template contract does not match\n");
+        TALER_TESTING_interpreter_fail (gis->is);
+        return;
+      }
+    }
+    break;
+  case MHD_HTTP_UNAUTHORIZED:
+    break;
+  case MHD_HTTP_NOT_FOUND:
+    break;
+  default:
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unhandled HTTP status.\n");
+  }
+  TALER_TESTING_interpreter_next (gis->is);
+}
+
+
+/**
+ * Run the "GET template" CMD.
+ *
+ *
+ * @param cls closure.
+ * @param cmd command being run now.
+ * @param is interpreter state.
+ */
+static void
+get_template_run (void *cls,
+                 const struct TALER_TESTING_Command *cmd,
+                 struct TALER_TESTING_Interpreter *is)
+{
+  struct GetTemplateState *gis = cls;
+
+  gis->is = is;
+  gis->igh = TALER_MERCHANT_template_get (is->ctx,
+                                         gis->merchant_url,
+                                         gis->template_id,
+                                         &get_template_cb,
+                                         gis);
+  GNUNET_assert (NULL != gis->igh);
+}
+
+
+/**
+ * Free the state of a "GET template" CMD, and possibly
+ * cancel a pending operation thereof.
+ *
+ * @param cls closure.
+ * @param cmd command being run.
+ */
+static void
+get_template_cleanup (void *cls,
+                     const struct TALER_TESTING_Command *cmd)
+{
+  struct GetTemplateState *gis = cls;
+
+  if (NULL != gis->igh)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "GET /templates/$ID operation did not complete\n");
+    TALER_MERCHANT_template_get_cancel (gis->igh);
+  }
+  GNUNET_free (gis);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_merchant_get_template (const char *label,
+                                        const char *merchant_url,
+                                        const char *template_id,
+                                        unsigned int http_status,
+                                        const char *template_reference)
+{
+  struct GetTemplateState *gis;
+
+  gis = GNUNET_new (struct GetTemplateState);
+  gis->merchant_url = merchant_url;
+  gis->template_id = template_id;
+  gis->http_status = http_status;
+  gis->template_reference = template_reference;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = gis,
+      .label = label,
+      .run = &get_template_run,
+      .cleanup = &get_template_cleanup
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_get_template.c */
diff --git a/src/testing/testing_api_cmd_get_templates.c b/src/testing/testing_api_cmd_get_templates.c
new file mode 100644
index 00000000..5c04859d
--- /dev/null
+++ b/src/testing/testing_api_cmd_get_templates.c
@@ -0,0 +1,240 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3, or
+  (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file testing_api_cmd_get_templates.c
+ * @brief command to test GET /templates
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <taler/taler_exchange_service.h>
+#include <taler/taler_testing_lib.h>
+#include "taler_merchant_service.h"
+#include "taler_merchant_testing_lib.h"
+
+
+/**
+ * State of a "GET templates" CMD.
+ */
+struct GetTemplatesState
+{
+
+  /**
+   * Handle for a "GET template" request.
+   */
+  struct TALER_MERCHANT_TemplatesGetHandle *igh;
+
+  /**
+   * The interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Base URL of the merchant serving the request.
+   */
+  const char *merchant_url;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int http_status;
+
+  /**
+   * The list of template references.
+   */
+  const char **templates;
+
+  /**
+   * Length of @e templates.
+   */
+  unsigned int templates_length;
+
+};
+
+
+/**
+ * Callback for a GET /templates operation.
+ *
+ * @param cls closure for this function
+ * @param hr HTTP response details
+ * @param templates_length length of the @a templates array
+ * @param templates array of templates the requested instance offers
+ */
+static void
+get_templates_cb (void *cls,
+                 const struct TALER_MERCHANT_HttpResponse *hr,
+                 unsigned int templates_length,
+                 const struct TALER_MERCHANT_TemplateEntry templates[])
+{
+  struct GetTemplatesState *gis = cls;
+
+  gis->igh = NULL;
+  if (gis->http_status != hr->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u (%d) to command %s\n",
+                hr->http_status,
+                (int) hr->ec,
+                TALER_TESTING_interpreter_get_current_label (gis->is));
+    TALER_TESTING_interpreter_fail (gis->is);
+    return;
+  }
+  switch (hr->http_status)
+  {
+  case MHD_HTTP_OK:
+    if (templates_length != gis->templates_length)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "Length of templates found does not match\n");
+      TALER_TESTING_interpreter_fail (gis->is);
+      return;
+    }
+    for (unsigned int i = 0; i < gis->templates_length; ++i)
+    {
+      const struct TALER_TESTING_Command *template_cmd;
+
+      template_cmd = TALER_TESTING_interpreter_lookup_command (
+        gis->is,
+        gis->templates[i]);
+
+      {
+        const char **template_id;
+
+        if (GNUNET_OK !=
+            TALER_TESTING_get_trait_template_id (template_cmd,
+                                                &template_id))
+        {
+          GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                      "Could not fetch template id\n");
+          TALER_TESTING_interpreter_fail (gis->is);
+          return;
+        }
+        if (0 != strcmp (templates[i].template_id,
+                         *template_id))
+        {
+          GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                      "Template id does not match\n");
+          TALER_TESTING_interpreter_fail (gis->is);
+          return;
+        }
+      }
+    }
+    break;
+  case MHD_HTTP_UNAUTHORIZED:
+    break;
+  case MHD_HTTP_NOT_FOUND:
+    /* instance does not exist */
+    break;
+  default:
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unhandled HTTP status %u (%d).\n",
+                hr->http_status,
+                hr->ec);
+  }
+  TALER_TESTING_interpreter_next (gis->is);
+}
+
+
+/**
+ * Run the "GET /templates" CMD.
+ *
+ *
+ * @param cls closure.
+ * @param cmd command being run now.
+ * @param is interpreter state.
+ */
+static void
+get_templates_run (void *cls,
+                  const struct TALER_TESTING_Command *cmd,
+                  struct TALER_TESTING_Interpreter *is)
+{
+  struct GetTemplatesState *gis = cls;
+
+  gis->is = is;
+  gis->igh = TALER_MERCHANT_templates_get (is->ctx,
+                                          gis->merchant_url,
+                                          &get_templates_cb,
+                                          gis);
+  GNUNET_assert (NULL != gis->igh);
+}
+
+
+/**
+ * Free the state of a "GET template" CMD, and possibly
+ * cancel a pending operation thereof.
+ *
+ * @param cls closure.
+ * @param cmd command being run.
+ */
+static void
+get_templates_cleanup (void *cls,
+                      const struct TALER_TESTING_Command *cmd)
+{
+  struct GetTemplatesState *gis = cls;
+
+  if (NULL != gis->igh)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "GET /templates operation did not complete\n");
+    TALER_MERCHANT_templates_get_cancel (gis->igh);
+  }
+  GNUNET_array_grow (gis->templates,
+                     gis->templates_length,
+                     0);
+  GNUNET_free (gis);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_merchant_get_templates (const char *label,
+                                         const char *merchant_url,
+                                         unsigned int http_status,
+                                         ...)
+{
+  struct GetTemplatesState *gis;
+
+  gis = GNUNET_new (struct GetTemplatesState);
+  gis->merchant_url = merchant_url;
+  gis->http_status = http_status;
+  {
+    const char *clabel;
+    va_list ap;
+
+    va_start (ap, http_status);
+    while (NULL != (clabel = va_arg (ap, const char *)))
+    {
+      GNUNET_array_append (gis->templates,
+                           gis->templates_length,
+                           clabel);
+    }
+    va_end (ap);
+  }
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = gis,
+      .label = label,
+      .run = &get_templates_run,
+      .cleanup = &get_templates_cleanup
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_get_templates.c */
diff --git a/src/testing/testing_api_cmd_patch_template.c b/src/testing/testing_api_cmd_patch_template.c
new file mode 100644
index 00000000..7f8db916
--- /dev/null
+++ b/src/testing/testing_api_cmd_patch_template.c
@@ -0,0 +1,243 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3, or
+  (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file testing_api_cmd_patch_template.c
+ * @brief command to test PATCH /template
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <taler/taler_exchange_service.h>
+#include <taler/taler_testing_lib.h>
+#include "taler_merchant_service.h"
+#include "taler_merchant_testing_lib.h"
+
+
+/**
+ * State of a "PATCH /template" CMD.
+ */
+struct PatchTemplateState
+{
+
+  /**
+   * Handle for a "GET template" request.
+   */
+  struct TALER_MERCHANT_TemplatePatchHandle *iph;
+
+  /**
+   * The interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Base URL of the merchant serving the request.
+   */
+  const char *merchant_url;
+
+  /**
+   * ID of the template to run GET for.
+   */
+  const char *template_id;
+
+  /**
+   * description of the template
+   */
+  const char *template_description;
+
+  /**
+   * base64-encoded template image
+   */
+  char *image;
+
+  /**
+   * Contract of the company
+   */
+  json_t *template_contract;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int http_status;
+
+};
+
+
+/**
+ * Callback for a PATCH /templates/$ID operation.
+ *
+ * @param cls closure for this function
+ * @param hr response being processed
+ */
+static void
+patch_template_cb (void *cls,
+                  const struct TALER_MERCHANT_HttpResponse *hr)
+{
+  struct PatchTemplateState *pis = cls;
+
+  pis->iph = NULL;
+  if (pis->http_status != hr->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u (%d) to command %s\n",
+                hr->http_status,
+                (int) hr->ec,
+                TALER_TESTING_interpreter_get_current_label (pis->is));
+    TALER_TESTING_interpreter_fail (pis->is);
+    return;
+  }
+  switch (hr->http_status)
+  {
+  case MHD_HTTP_NO_CONTENT:
+    break;
+  case MHD_HTTP_UNAUTHORIZED:
+    break;
+  case MHD_HTTP_FORBIDDEN:
+    break;
+  case MHD_HTTP_NOT_FOUND:
+    break;
+  case MHD_HTTP_CONFLICT:
+    break;
+  default:
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unhandled HTTP status %u for PATCH /products/ID.\n",
+                hr->http_status);
+  }
+  TALER_TESTING_interpreter_next (pis->is);
+}
+
+
+/**
+ * Run the "PATCH /templates/$ID" CMD.
+ *
+ *
+ * @param cls closure.
+ * @param cmd command being run now.
+ * @param is interpreter state.
+ */
+static void
+patch_template_run (void *cls,
+                   const struct TALER_TESTING_Command *cmd,
+                   struct TALER_TESTING_Interpreter *is)
+{
+  struct PatchTemplateState *pis = cls;
+
+  pis->is = is;
+  pis->iph = TALER_MERCHANT_template_patch (is->ctx,
+                                           pis->merchant_url,
+                                           pis->template_id,
+                                           pis->template_description,
+                                           pis->image,
+                                           pis->template_contract,
+                                           &patch_template_cb,
+                                           pis);
+  GNUNET_assert (NULL != pis->iph);
+}
+
+
+/**
+ * Offers information from the PATCH /templates CMD state to other
+ * commands.
+ *
+ * @param cls closure
+ * @param[out] ret result (could be anything)
+ * @param trait name of the trait
+ * @param index index number of the object to extract.
+ * @return #GNUNET_OK on success
+ */
+static enum GNUNET_GenericReturnValue
+patch_template_traits (void *cls,
+                      const void **ret,
+                      const char *trait,
+                      unsigned int index)
+{
+  struct PatchTemplateState *pts = cls;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_template_description (&pts->template_description),
+    TALER_TESTING_make_trait_template_image (
+      (const char **) &pts->image),
+    TALER_TESTING_make_trait_template_contract (pts->template_contract),
+    TALER_TESTING_make_trait_template_id (&pts->template_id),
+    TALER_TESTING_trait_end (),
+  };
+
+  return TALER_TESTING_get_trait (traits,
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+/**
+ * Free the state of a "GET template" CMD, and possibly
+ * cancel a pending operation thereof.
+ *
+ * @param cls closure.
+ * @param cmd command being run.
+ */
+static void
+patch_template_cleanup (void *cls,
+                       const struct TALER_TESTING_Command *cmd)
+{
+  struct PatchTemplateState *pis = cls;
+
+  if (NULL != pis->iph)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "PATCH /templates/$ID operation did not complete\n");
+    TALER_MERCHANT_template_patch_cancel (pis->iph);
+  }
+  GNUNET_free (pis->image);
+  json_decref (pis->template_contract);
+  GNUNET_free (pis);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_merchant_patch_template (
+  const char *label,
+  const char *merchant_url,
+  const char *template_id,
+  const char *template_description,
+  const char *image,
+  json_t *template_contract,
+  unsigned int http_status)
+{
+  struct PatchTemplateState *pis;
+
+  pis = GNUNET_new (struct PatchTemplateState);
+  pis->merchant_url = merchant_url;
+  pis->template_id = template_id;
+  pis->http_status = http_status;
+  pis->template_description = template_description;
+  pis->image = GNUNET_strdup (image);
+  pis->template_contract = template_contract; /* ownership taken */
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = pis,
+      .label = label,
+      .run = &patch_template_run,
+      .cleanup = &patch_template_cleanup,
+      .traits = &patch_template_traits
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_patch_template.c */
diff --git a/src/testing/testing_api_cmd_post_templates.c b/src/testing/testing_api_cmd_post_templates.c
new file mode 100644
index 00000000..477fe958
--- /dev/null
+++ b/src/testing/testing_api_cmd_post_templates.c
@@ -0,0 +1,262 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 3, or
+  (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public
+  License along with TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file testing_api_cmd_post_templates.c
+ * @brief command to test POST /templates
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <taler/taler_exchange_service.h>
+#include <taler/taler_testing_lib.h>
+#include "taler_merchant_service.h"
+#include "taler_merchant_testing_lib.h"
+
+
+/**
+ * State of a "POST /templates" CMD.
+ */
+struct PostTemplatesState
+{
+
+  /**
+   * Handle for a "GET template" request.
+   */
+  struct TALER_MERCHANT_TemplatesPostHandle *iph;
+
+  /**
+   * The interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Base URL of the merchant serving the request.
+   */
+  const char *merchant_url;
+
+  /**
+   * ID of the product to run POST for.
+   */
+  const char *template_id;
+
+  /**
+   * description of the template
+   */
+  const char *template_description;
+
+  /**
+   * base64-encoded product image
+   */
+  char *image;
+
+  /**
+   * Contract of the company
+   */
+  json_t *template_contract;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int http_status;
+
+};
+
+
+/**
+ * Callback for a POST /templates operation.
+ *
+ * @param cls closure for this function
+ * @param hr response being processed
+ */
+static void
+post_templates_cb (void *cls,
+                  const struct TALER_MERCHANT_HttpResponse *hr)
+{
+  struct PostTemplatesState *tis = cls;
+
+  tis->iph = NULL;
+  if (tis->http_status != hr->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u (%d) to command %s\n",
+                hr->http_status,
+                (int) hr->ec,
+                TALER_TESTING_interpreter_get_current_label (tis->is));
+    TALER_TESTING_interpreter_fail (tis->is);
+    return;
+  }
+  switch (hr->http_status)
+  {
+  case MHD_HTTP_NO_CONTENT:
+    break;
+  case MHD_HTTP_UNAUTHORIZED:
+    break;
+  case MHD_HTTP_FORBIDDEN:
+    break;
+  case MHD_HTTP_NOT_FOUND:
+    break;
+  case MHD_HTTP_CONFLICT:
+    break;
+  default:
+    GNUNET_break (0);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unhandled HTTP status %u for POST /templates.\n",
+                hr->http_status);
+  }
+  TALER_TESTING_interpreter_next (tis->is);
+}
+
+
+/**
+ * Run the "POST /templates" CMD.
+ *
+ *
+ * @param cls closure.
+ * @param cmd command being run now.
+ * @param is interpreter state.
+ */
+static void
+post_templates_run (void *cls,
+                   const struct TALER_TESTING_Command *cmd,
+                   struct TALER_TESTING_Interpreter *is)
+{
+  struct PostTemplatesState *tis = cls;
+
+  tis->is = is;
+  tis->iph = TALER_MERCHANT_templates_post (is->ctx,
+                                           tis->merchant_url,
+                                           tis->template_id,
+                                           tis->template_description,
+                                           tis->image,
+                                           tis->template_contract,
+                                           &post_templates_cb,
+                                           tis);
+  GNUNET_assert (NULL != tis->iph);
+}
+
+
+/**
+ * Offers information from the POST /templates CMD state to other
+ * commands.
+ *
+ * @param cls closure
+ * @param[out] ret result (could be anything)
+ * @param trait name of the trait
+ * @param index index number of the object to extract.
+ * @return #GNUNET_OK on success
+ */
+static int
+post_templates_traits (void *cls,
+                      const void **ret,
+                      const char *trait,
+                      unsigned int index)
+{
+  struct PostTemplatesState *pts = cls;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_template_description (&pts->template_description),
+    TALER_TESTING_make_trait_template_image (
+      (const char **) &pts->image),
+    TALER_TESTING_make_trait_template_contract (pts->template_contract),
+    TALER_TESTING_make_trait_template_id (&pts->template_id),
+    TALER_TESTING_trait_end (),
+  };
+
+  return TALER_TESTING_get_trait (traits,
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+/**
+ * Free the state of a "POST template" CMD, and possibly
+ * cancel a pending operation thereof.
+ *
+ * @param cls closure.
+ * @param cmd command being run.
+ */
+static void
+post_templates_cleanup (void *cls,
+                       const struct TALER_TESTING_Command *cmd)
+{
+  struct PostTemplatesState *tis = cls;
+
+  if (NULL != tis->iph)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "POST /templates operation did not complete\n");
+    TALER_MERCHANT_templates_post_cancel (tis->iph);
+  }
+  GNUNET_free (tis->image);
+  json_decref (tis->template_contract);
+  GNUNET_free (tis);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_merchant_post_templates2 (
+  const char *label,
+  const char *merchant_url,
+  const char *template_id,
+  const char *template_description,
+  const char *image,
+  json_t *template_contract,
+  unsigned int http_status)
+{
+  struct PostTemplatesState *tis;
+
+  tis = GNUNET_new (struct PostTemplatesState);
+  tis->merchant_url = merchant_url;
+  tis->template_id = template_id;
+  tis->http_status = http_status;
+  tis->template_description = template_description;
+  tis->image = GNUNET_strdup (image);
+  tis->template_contract = template_contract;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = tis,
+      .label = label,
+      .run = &post_templates_run,
+      .cleanup = &post_templates_cleanup,
+      .traits = &post_templates_traits
+    };
+
+    return cmd;
+  }
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_merchant_post_templates (const char *label,
+                                          const char *merchant_url,
+                                          const char *template_id,
+                                          const char *template_description,
+                                          unsigned int http_status)
+{
+  return TALER_TESTING_cmd_merchant_post_templates2 (
+    label,
+    merchant_url,
+    template_id,
+    template_description,
+    "",
+    json_pack ("merchant 1", "5e", "minimum 10"),
+    http_status);
+}
+
+
+/* end of testing_api_cmd_post_templates.c */