Merge branch 'httpsclibazel'

test/core/http/BUILD

@@ -88,6 +88,7 @@ grpc_cc_test(
     data = [
         "python_wrapper.sh",
         "test_server.py",
+        "//src/core/tsi/test_creds:ca.pem",
         "//src/core/tsi/test_creds:server1.pem",
         "//src/core/tsi/test_creds:server1.key"
     ],

test/core/http/httpcli_test.cc

@@ -156,7 +156,7 @@ int main(int argc, char** argv) {
     char* root;
     if (lslash != nullptr) {
       /* Hack for bazel target */
-      if (lslash - me >= (unsigned)(sizeof("http") - 1) &&
+      if ((unsigned)(lslash - me) >= (sizeof("http") - 1) &&
           strncmp(me + (lslash - me) - sizeof("http") + 1, "http",
                   sizeof("http") - 1) == 0) {
         lslash = me + (lslash - me) - sizeof("http");

test/core/http/httpscli_test.cc

@@ -21,11 +21,13 @@
 #include <string.h>
 
 #include <grpc/grpc.h>
+#include <grpc/grpc_security_constants.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/subprocess.h>
 #include <grpc/support/sync.h>
+#include "src/core/lib/gpr/env.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
@@ -154,7 +156,7 @@ int main(int argc, char** argv) {
   char* root;
   if (lslash != nullptr) {
     /* Hack for bazel target */
-    if (lslash - me >= (unsigned)(sizeof("http") - 1) &&
+    if ((unsigned)(lslash - me) >= (sizeof("http") - 1) &&
         strncmp(me + (lslash - me) - sizeof("http") + 1, "http",
                 sizeof("http") - 1) == 0) {
       lslash = me + (lslash - me) - sizeof("http");
@@ -176,6 +178,12 @@ int main(int argc, char** argv) {
     gpr_asprintf(&args[1], "%s/test/core/http/test_server.py", root);
   }
 
+  /* Set the environment variable for the SSL certificate file */
+  char* pem_file;
+  gpr_asprintf(&pem_file, "%s/src/core/tsi/test_creds/ca.pem", root);
+  gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, pem_file);
+  gpr_free(pem_file);
+
   /* start the server */
   args[1 + arg_shift] = const_cast<char*>("--port");
   gpr_asprintf(&args[2 + arg_shift], "%d", port);