File: util_test.cpp

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////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// https://www.opensource.org/licenses/mit-license.php
//
////////////////////////////////////////////////////////////////////////////////

#include <cmake.h>
// cmake.h include header must come first

#include <Context.h>
#include <recur.h>
#include <test.h>
#include <util.h>

#include <limits>

////////////////////////////////////////////////////////////////////////////////
int TEST_NAME(int, char**) {
  UnitTest t(19);
  Context context;
  Context::setContext(&context);

  // Ensure environment has no influence.
  unsetenv("TASKDATA");
  unsetenv("TASKRC");

  // TODO int confirm4 (const std::string&);

  // TODO const std::string uuid ();

  // TODO These are in feedback.cpp, not util.cpp.
  Task left;
  left.set("zero", "0");
  left.set("one", 1);
  left.set("two", 2);

  Task right;
  right.set("zero", "00");
  right.set("two", 2);
  right.set("three", 3);

  Task rightAgain(right);

  std::string output = left.diff(right);
  t.ok(!(left == right), "Detected changes");
  t.ok(output.find("Zero will be changed from '0' to '00'") != std::string::npos,
       "Detected change zero:0 -> zero:00");
  t.ok(output.find("One will be deleted") != std::string::npos, "Detected deletion one:1 ->");
  t.ok(output.find("Two") == std::string::npos, "Detected no change two:2 -> two:2");
  t.ok(output.find("Three will be set to '3'") != std::string::npos,
       "Detected addition -> three:3");

  output = right.diff(rightAgain);
  t.ok(output.find("No changes will be made") != std::string::npos, "No changes detected");

  // std::vector<std::string> indentProject (const std::string&, const std::string whitespace="  ",
  // char delimiter='.');
  t.is(indentProject(""), "", "indentProject '' -> ''");
  t.is(indentProject("one"), "one", "indentProject 'one' -> 'one'");
  t.is(indentProject("one.two"), "  two", "indentProject 'one.two' -> '  two'");
  t.is(indentProject("one.two.three"), "    three", "indentProject 'one.two.three' -> '    three'");

  // bool nontrivial (const std::string&);
  t.notok(nontrivial(""), "nontrivial '' -> false");
  t.notok(nontrivial("   "), "nontrivial '   ' -> false");
  t.notok(nontrivial("\t\t"), "nontrivial '\\t\\t' -> false");
  t.notok(nontrivial(" \t \t"), "nontrivial ' \\t \\t' -> false");
  t.ok(nontrivial("a"), "nontrivial 'a' -> true");
  t.ok(nontrivial("   a"), "nontrivial '   a' -> true");
  t.ok(nontrivial("a   "), "nontrivial 'a   ' -> true");
  t.ok(nontrivial("  \t\ta"), "nontrivial '  \\t\\ta' -> true");
  t.ok(nontrivial("a\t\t  "), "nontrivial 'a\\t\\t  ' -> true");

  Datetime dt(1234526400);
  Datetime max(std::numeric_limits<time_t>::max());
  t.ok(checked_add_datetime(dt, 10).has_value(), "small delta");
  t.ok(!checked_add_datetime(dt, 0x100000000).has_value(), "delta > 32bit");
  t.ok(!checked_add_datetime(max, 1).has_value(), "huge base time");

  return 0;
}

////////////////////////////////////////////////////////////////////////////////