ceph/src/test/test_texttable.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2012 Inktank Storage, Inc.
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "common/TextTable.h"
  16 #include <iostream>
  17 #include "gtest/gtest.h"
  18 #include "include/coredumpctl.h"
  19
  20 TEST(TextTable, Alignment) {
  21   TextTable t;
  22
  23   // test alignment
  24   // 3 5-character columns
  25   t.define_column("HEAD1", TextTable::LEFT, TextTable::LEFT);
  26   t.define_column("HEAD2", TextTable::LEFT, TextTable::CENTER);
  27   t.define_column("HEAD3", TextTable::LEFT, TextTable::RIGHT);
  28
  29   t << "1" << 2 << 3 << TextTable::endrow;
  30   std::ostringstream oss;
  31   oss << t;
  32   ASSERT_STREQ("HEAD1 HEAD2 HEAD3 \n1       2       3 \n", oss.str().c_str());
  33 }
  34
  35 TEST(TextTable, WidenAndClearShrink) {
  36   TextTable t;
  37
  38   t.define_column("1", TextTable::LEFT, TextTable::LEFT);
  39
  40   // default column size is 1, widen to 5
  41   t << "wider";
  42
  43   // validate wide output
  44   std::ostringstream oss;
  45   oss << t;
  46   ASSERT_STREQ("1     \nwider \n", oss.str().c_str());
  47   oss.str("");
  48
  49   // reset, validate single-char width output
  50   t.clear();
  51   t << "s";
  52   oss << t;
  53   ASSERT_STREQ("1 \ns \n", oss.str().c_str());
  54 }
  55
  56 TEST(TextTable, Indent) {
  57   TextTable t;
  58
  59   t.define_column("1", TextTable::LEFT, TextTable::LEFT);
  60   t.set_indent(10);
  61   t << "s";
  62   std::ostringstream oss;
  63   oss << t;
  64   ASSERT_STREQ("          1 \n          s \n", oss.str().c_str());
  65 }
  66
  67
  68 TEST(TextTable, TooManyItems) {
  69   TextTable t;
  70
  71   t.define_column("1", TextTable::LEFT, TextTable::LEFT);
  72   t.define_column("2", TextTable::LEFT, TextTable::LEFT);
  73   t.define_column("3", TextTable::LEFT, TextTable::LEFT);
  74
  75   // expect assertion failure on this, which throws FailedAssertion
  76   PrCtl unset_dumpable;
  77   ASSERT_DEATH((t << "1" << "2" << "3" << "4" << TextTable::endrow), "");
  78 }