X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Fceph_argparse.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Fceph_argparse.cc;h=c4f99c8ba1123742f9a8db2b6775b153e7ba910f;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/test/ceph_argparse.cc b/src/ceph/src/test/ceph_argparse.cc
new file mode 100644
index 0000000..c4f99c8
--- /dev/null
+++ b/src/ceph/src/test/ceph_argparse.cc
@@ -0,0 +1,478 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include "common/ceph_argparse.h"
+
+#include "gtest/gtest.h"
+#include <vector>
+
+/* Holds a std::vector with C-strings.
+ * Will free() them properly in the destructor.
+ *
+ * Note: the ceph_argparse functions modify the vector, removing elements as
+ * they find them.  So we keep a parallel vector, orig, to make sure that we
+ * never forget to delete a string.
+ */
+class VectorContainer
+{
+public:
+  explicit VectorContainer(const char** arr_) {
+    for (const char **a = arr_; *a; ++a) {
+      const char *str = (const char*)strdup(*a);
+      arr.push_back(str);
+      orig.push_back(str);
+    }
+  }
+  ~VectorContainer() {
+    for (std::vector<const char*>::iterator i = orig.begin();
+	   i != orig.end(); ++i)
+    {
+	 free((void*)*i);
+    }
+  }
+  void refresh() {
+    arr.assign(orig.begin(), orig.end());
+  }
+  std::vector < const char* > arr;
+
+private:
+  std::vector < const char* > orig;
+};
+
+TEST(CephArgParse, SimpleArgParse) {
+  const char *BAR5[] = { "./myprog", "--bar", "5", NULL };
+  const char *FOO[] = { "./myprog", "--foo", "--baz", NULL };
+  const char *NONE[] = { "./myprog", NULL };
+
+  bool found_foo = false;
+  std::string found_bar;
+  VectorContainer bar5(BAR5);
+  for (std::vector<const char*>::iterator i = bar5.arr.begin();
+       i != bar5.arr.end(); )
+  {
+      if (ceph_argparse_flag(bar5.arr, i, "--foo", (char*)NULL)) {
+	found_foo = true;
+      }
+      else if (ceph_argparse_witharg(bar5.arr, i, &found_bar, "--bar", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_foo, false);
+  ASSERT_EQ(found_bar, "5");
+
+  found_foo = false;
+  found_bar = "";
+  bool baz_found = false;
+  std::string found_baz = "";
+  VectorContainer foo(FOO);
+  ostringstream err;
+  for (std::vector<const char*>::iterator i = foo.arr.begin();
+       i != foo.arr.end(); )
+  {
+      if (ceph_argparse_flag(foo.arr, i, "--foo", (char*)NULL)) {
+	found_foo = true;
+      }
+      else if (ceph_argparse_witharg(foo.arr, i, &found_bar, "--bar", (char*)NULL)) {
+      }
+      else if (ceph_argparse_witharg(foo.arr, i, &found_baz, err, "--baz", (char*)NULL)) {
+	ASSERT_NE(string(""), err.str());
+	baz_found = true;
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_foo, true);
+  ASSERT_EQ(found_bar, "");
+  ASSERT_EQ(baz_found, true);
+  ASSERT_EQ(found_baz, "");
+
+  found_foo = false;
+  found_bar = "";
+  VectorContainer none(NONE);
+  for (std::vector<const char*>::iterator i = none.arr.begin();
+       i != none.arr.end(); )
+  {
+      if (ceph_argparse_flag(none.arr, i, "--foo", (char*)NULL)) {
+	found_foo = true;
+      }
+      else if (ceph_argparse_witharg(none.arr, i, &found_bar, "--bar", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_foo, false);
+  ASSERT_EQ(found_bar, "");
+}
+
+TEST(CephArgParse, DoubleDash) {
+  const char *ARGS[] = { "./myprog", "--foo", "5", "--", "--bar", "6", NULL };
+
+  int foo = -1, bar = -1;
+  VectorContainer args(ARGS);
+  for (std::vector<const char*>::iterator i = args.arr.begin();
+       i != args.arr.end(); )
+  {
+    std::string myarg;
+    if (ceph_argparse_double_dash(args.arr, i)) {
+      break;
+    }
+    else if (ceph_argparse_witharg(args.arr, i, &myarg, "--foo", (char*)NULL)) {
+      foo = atoi(myarg.c_str());
+    }
+    else if (ceph_argparse_witharg(args.arr, i, &myarg, "--bar", (char*)NULL)) {
+      bar = atoi(myarg.c_str());
+    }
+    else
+      ++i;
+  }
+  ASSERT_EQ(foo, 5);
+  ASSERT_EQ(bar, -1);
+}
+
+
+TEST(CephArgParse, WithDashesAndUnderscores) {
+  const char *BAZSTUFF1[] = { "./myprog", "--goo", "--baz-stuff", "50", "--end", NULL };
+  const char *BAZSTUFF2[] = { "./myprog", "--goo2", "--baz_stuff", "50", NULL };
+  const char *BAZSTUFF3[] = { "./myprog", "--goo2", "--baz-stuff=50", "50", NULL };
+  const char *BAZSTUFF4[] = { "./myprog", "--goo2", "--baz_stuff=50", "50", NULL };
+  const char *NONE1[] = { "./myprog", NULL };
+  const char *NONE2[] = { "./myprog", "--goo2", "--baz_stuff2", "50", NULL };
+  const char *NONE3[] = { "./myprog", "--goo2", "__baz_stuff", "50", NULL };
+
+  // as flag
+  std::string found_baz;
+  VectorContainer bazstuff1(BAZSTUFF1);
+  for (std::vector<const char*>::iterator i = bazstuff1.arr.begin();
+       i != bazstuff1.arr.end(); )
+  {
+      if (ceph_argparse_flag(bazstuff1.arr, i, "--baz-stuff", (char*)NULL)) {
+	found_baz = "true";
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "true");
+
+  // as flag
+  found_baz = "";
+  VectorContainer bazstuff2(BAZSTUFF2);
+  for (std::vector<const char*>::iterator i = bazstuff2.arr.begin();
+       i != bazstuff2.arr.end(); )
+  {
+      if (ceph_argparse_flag(bazstuff2.arr, i, "--baz-stuff", (char*)NULL)) {
+	found_baz = "true";
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "true");
+
+  // with argument
+  found_baz = "";
+  bazstuff1.refresh();
+  for (std::vector<const char*>::iterator i = bazstuff1.arr.begin();
+       i != bazstuff1.arr.end(); )
+  {
+      if (ceph_argparse_witharg(bazstuff1.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "50");
+
+  // with argument
+  found_baz = "";
+  bazstuff2.refresh();
+  for (std::vector<const char*>::iterator i = bazstuff2.arr.begin();
+       i != bazstuff2.arr.end(); )
+  {
+      if (ceph_argparse_witharg(bazstuff2.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "50");
+
+  // with argument
+  found_baz = "";
+  VectorContainer bazstuff3(BAZSTUFF3);
+  for (std::vector<const char*>::iterator i = bazstuff3.arr.begin();
+       i != bazstuff3.arr.end(); )
+  {
+      if (ceph_argparse_witharg(bazstuff3.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "50");
+
+  // with argument
+  found_baz = "";
+  VectorContainer bazstuff4(BAZSTUFF4);
+  for (std::vector<const char*>::iterator i = bazstuff4.arr.begin();
+       i != bazstuff4.arr.end(); )
+  {
+      if (ceph_argparse_witharg(bazstuff4.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "50");
+
+  // not found
+  found_baz = "";
+  VectorContainer none1(NONE1);
+  for (std::vector<const char*>::iterator i = none1.arr.begin();
+       i != none1.arr.end(); )
+  {
+      if (ceph_argparse_flag(none1.arr, i, "--baz-stuff", (char*)NULL)) {
+	found_baz = "true";
+      }
+      else if (ceph_argparse_witharg(none1.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "");
+
+  // not found
+  found_baz = "";
+  VectorContainer none2(NONE2);
+  for (std::vector<const char*>::iterator i = none2.arr.begin();
+       i != none2.arr.end(); )
+  {
+      if (ceph_argparse_flag(none2.arr, i, "--baz-stuff", (char*)NULL)) {
+	found_baz = "true";
+      }
+      else if (ceph_argparse_witharg(none2.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "");
+
+  // not found
+  found_baz = "";
+  VectorContainer none3(NONE3);
+  for (std::vector<const char*>::iterator i = none3.arr.begin();
+       i != none3.arr.end(); )
+  {
+      if (ceph_argparse_flag(none3.arr, i, "--baz-stuff", (char*)NULL)) {
+	found_baz = "true";
+      }
+      else if (ceph_argparse_witharg(none3.arr, i, &found_baz, "--baz-stuff", (char*)NULL)) {
+      }
+      else
+	++i;
+  }
+  ASSERT_EQ(found_baz, "");
+}
+
+TEST(CephArgParse, WithFloat) {
+  const char *BAZSTUFF1[] = { "./myprog", "--foo", "50.5", "--bar", "52", NULL };
+
+  VectorContainer bazstuff1(BAZSTUFF1);
+  ostringstream err;
+  float foo;
+  int bar = -1;
+  for (std::vector<const char*>::iterator i = bazstuff1.arr.begin();
+       i != bazstuff1.arr.end(); )
+  {
+    if (ceph_argparse_double_dash(bazstuff1.arr, i)) {
+      break;
+    } else if (ceph_argparse_witharg(bazstuff1.arr, i, &foo, err, "--foo", (char*)NULL)) {
+      ASSERT_EQ(string(""), err.str());
+    } else if (ceph_argparse_witharg(bazstuff1.arr, i, &bar, err, "--bar", (char*)NULL)) {
+      ASSERT_EQ(string(""), err.str());
+    }
+    else {
+      ++i;
+    }
+  }
+  ASSERT_EQ(foo, 50.5);
+  ASSERT_EQ(bar, 52);
+}
+
+TEST(CephArgParse, WithInt) {
+  const char *BAZSTUFF1[] = { "./myprog", "--foo", "50", "--bar", "52", NULL };
+  const char *BAZSTUFF2[] = { "./myprog", "--foo", "--bar", "52", NULL };
+  const char *BAZSTUFF3[] = { "./myprog", "--foo", "40", "--", "--bar", "42", NULL };
+
+  // normal test
+  VectorContainer bazstuff1(BAZSTUFF1);
+  ostringstream err;
+  int foo = -1, bar = -1;
+  for (std::vector<const char*>::iterator i = bazstuff1.arr.begin();
+       i != bazstuff1.arr.end(); )
+  {
+    if (ceph_argparse_double_dash(bazstuff1.arr, i)) {
+      break;
+    } else if (ceph_argparse_witharg(bazstuff1.arr, i, &foo, err, "--foo", (char*)NULL)) {
+      ASSERT_EQ(string(""), err.str());
+    } else if (ceph_argparse_witharg(bazstuff1.arr, i, &bar, err, "--bar", (char*)NULL)) {
+      ASSERT_EQ(string(""), err.str());
+    }
+    else {
+      ++i;
+    }
+  }
+  ASSERT_EQ(foo, 50);
+  ASSERT_EQ(bar, 52);
+
+  // parse error test
+  VectorContainer bazstuff2(BAZSTUFF2);
+  ostringstream err2;
+  for (std::vector<const char*>::iterator i = bazstuff2.arr.begin();
+       i != bazstuff2.arr.end(); )
+  {
+    if (ceph_argparse_double_dash(bazstuff2.arr, i)) {
+      break;
+    } else if (ceph_argparse_witharg(bazstuff2.arr, i, &foo, err2, "--foo", (char*)NULL)) {
+      ASSERT_NE(string(""), err2.str());
+    }
+    else {
+      ++i;
+    }
+  }
+
+  // double dash test
+  VectorContainer bazstuff3(BAZSTUFF3);
+  foo = -1, bar = -1;
+  for (std::vector<const char*>::iterator i = bazstuff3.arr.begin();
+       i != bazstuff3.arr.end(); )
+  {
+    if (ceph_argparse_double_dash(bazstuff3.arr, i)) {
+      break;
+    } else if (ceph_argparse_witharg(bazstuff3.arr, i, &foo, err, "--foo", (char*)NULL)) {
+      ASSERT_EQ(string(""), err.str());
+    } else if (ceph_argparse_witharg(bazstuff3.arr, i, &bar, err, "--bar", (char*)NULL)) {
+      ASSERT_EQ(string(""), err.str());
+    }
+    else {
+      ++i;
+    }
+  }
+  ASSERT_EQ(foo, 40);
+  ASSERT_EQ(bar, -1);
+}
+
+TEST(CephArgParse, env_to_vec) {
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    unsetenv("WHATEVER");
+    env_to_vec(args);
+    EXPECT_EQ(0u, args.size());
+    env_to_vec(args, "WHATEVER");
+    EXPECT_EQ(0u, args.size());
+    args.push_back("a");
+    setenv("CEPH_ARGS", "b c", 0);
+    env_to_vec(args);
+    EXPECT_EQ(3u, args.size());
+    EXPECT_EQ(string("b"), args[1]);
+    EXPECT_EQ(string("c"), args[2]);
+    setenv("WHATEVER", "d e", 0);
+    env_to_vec(args, "WHATEVER");
+    EXPECT_EQ(5u, args.size());
+    EXPECT_EQ(string("d"), args[3]);
+    EXPECT_EQ(string("e"), args[4]);
+  }
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    args.push_back("a");
+    args.push_back("--");
+    args.push_back("c");
+    setenv("CEPH_ARGS", "b -- d", 0);
+    env_to_vec(args);
+    EXPECT_EQ(5u, args.size());
+    EXPECT_EQ(string("a"), args[0]);
+    EXPECT_EQ(string("b"), args[1]);
+    EXPECT_EQ(string("--"), args[2]);
+    EXPECT_EQ(string("c"), args[3]);
+    EXPECT_EQ(string("d"), args[4]);
+  }
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    args.push_back("a");
+    args.push_back("--");
+    setenv("CEPH_ARGS", "b -- c", 0);
+    env_to_vec(args);
+    EXPECT_EQ(4u, args.size());
+    EXPECT_EQ(string("a"), args[0]);
+    EXPECT_EQ(string("b"), args[1]);
+    EXPECT_EQ(string("--"), args[2]);
+    EXPECT_EQ(string("c"), args[3]);
+  }
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    args.push_back("--");
+    args.push_back("c");
+    setenv("CEPH_ARGS", "b -- d", 0);
+    env_to_vec(args);
+    EXPECT_EQ(4u, args.size());
+    EXPECT_EQ(string("b"), args[0]);
+    EXPECT_EQ(string("--"), args[1]);
+    EXPECT_EQ(string("c"), args[2]);
+    EXPECT_EQ(string("d"), args[3]);
+  }
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    args.push_back("b");
+    setenv("CEPH_ARGS", "c -- d", 0);
+    env_to_vec(args);
+    EXPECT_EQ(4u, args.size());
+    EXPECT_EQ(string("b"), args[0]);
+    EXPECT_EQ(string("c"), args[1]);
+    EXPECT_EQ(string("--"), args[2]);
+    EXPECT_EQ(string("d"), args[3]);
+  }
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    args.push_back("a");
+    args.push_back("--");
+    args.push_back("c");
+    setenv("CEPH_ARGS", "-- d", 0);
+    env_to_vec(args);
+    EXPECT_EQ(4u, args.size());
+    EXPECT_EQ(string("a"), args[0]);
+    EXPECT_EQ(string("--"), args[1]);
+    EXPECT_EQ(string("c"), args[2]);
+    EXPECT_EQ(string("d"), args[3]);
+  }
+  {
+    std::vector<const char*> args;
+    unsetenv("CEPH_ARGS");
+    args.push_back("a");
+    args.push_back("--");
+    args.push_back("c");
+    setenv("CEPH_ARGS", "d", 0);
+    env_to_vec(args);
+    EXPECT_EQ(4u, args.size());
+    EXPECT_EQ(string("a"), args[0]);
+    EXPECT_EQ(string("d"), args[1]);
+    EXPECT_EQ(string("--"), args[2]);
+    EXPECT_EQ(string("c"), args[3]);
+  }
+}
+/*
+ * Local Variables:
+ * compile-command: "cd .. ; make unittest_ceph_argparse && ./unittest_ceph_argparse"
+ * End:
+ */