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// file : tests/manifest-serializer/driver.cxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#include <vector>
#include <string>
#include <utility> // pair
#include <sstream>
#include <iostream>
#include <libbutl/manifest-serializer.hxx>
#undef NDEBUG
#include <cassert>
using namespace std;
using namespace butl;
using pairs = vector<pair<string, string>>;
static bool
test (const pairs& manifest,
const string& expected,
bool long_lines = false,
manifest_serializer::filter_function f = {});
static bool
fail (const pairs& manifest);
int
main ()
{
// Comments.
//
assert (test ({{"#", ""}}, "#\n"));
assert (test ({{"#", "x"}}, "# x\n"));
assert (test ({{"#", "x"},{"#", "y"},{"#", ""}}, "# x\n# y\n#\n"));
assert (fail ({{"",""},{"#", "x"}})); // serialization after eos
assert (fail ({{"#", "\xB0"}})); // invalid UTF-8 sequence
// Empty manifest stream.
//
assert (test ({}, ""));
assert (test ({{"",""}}, ""));
// Empty manifest.
//
assert (test ({{"","1"},{"",""},{"",""}}, ": 1\n"));
assert (test ({{"","1"},{"",""},{"","1"},{"",""},{"",""}}, ": 1\n:\n"));
// Invalid manifests.
//
assert (fail ({{"a",""}})); // format version pair expected
assert (fail ({{"","1"},{"",""},{"a",""}})); // format version pair expected
assert (fail ({{"","9"}})); // unsupported format version 9
assert (fail ({{"","1"},{"","x"}})); // non-empty value in end pair
assert (fail ({{"",""},{"","1"}})); // serialization after eos
// Single manifest.
//
assert (test ({{"","1"},{"a","x"},{"",""},{"",""}}, ": 1\na: x\n"));
assert (test ({{"","1"},{"a","x"},{"b","y"},{"",""},{"",""}},
": 1\na: x\nb: y\n"));
assert (test ({{"","1"},{"#","c"},{"a","x"},{"",""},{"",""}},
": 1\n# c\na: x\n"));
// Multiple manifests.
//
assert (test ({{"","1"},{"a","x"},{"",""},
{"","1"},{"b","y"},{"",""},{"",""}}, ": 1\na: x\n:\nb: y\n"));
assert (test ({{"","1"},{"a","x"},{"",""},
{"","1"},{"b","y"},{"",""},
{"","1"},{"c","z"},{"",""},{"",""}},
": 1\na: x\n:\nb: y\n:\nc: z\n"));
// Invalid name.
//
assert (fail ({{"","1"},{"#a",""}}));
assert (fail ({{"","1"},{"a:b",""}}));
assert (fail ({{"","1"},{"a b",""}}));
assert (fail ({{"","1"},{"a\tb",""}}));
assert (fail ({{"","1"},{"a\n",""}}));
assert (fail ({{"","1"},{"a\xB0",""}})); // invalid UTF-8 sequence
// Invalid value.
//
assert (fail ({{"","1"},{"a","\xB0"}})); // invalid UTF-8 sequence
assert (fail ({{"","1"},{"a","\xD0"}})); // incomplete UTF-8 sequence
// Simple value.
//
assert (test ({{"","1"},{"a",""},{"",""},{"",""}}, ": 1\na:\n"));
assert (test ({{"","1"},{"a","x y z"},{"",""},{"",""}}, ": 1\na: x y z\n"));
// Long simple value (newline escaping).
//
// "Solid" text/hard break.
//
string l1 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
string e1 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\\\n"
"Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\\\n"
"Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
// Space too early/hard break.
//
string l2 ("x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"Yyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz z"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
string e2 ("x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\\\n"
"Yyyyyyyyyyyyyyyyy yyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\\\n"
"Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz z"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
// Space/soft break.
//
string l3 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxx"
" Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
" Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
string e3 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxx\\\n"
" Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyy\\\n"
" Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
// Space with a better one/soft break.
//
string l4 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxx xxxxxxxxx"
" Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyy yyyyyyyyyy"
" Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
string e4 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxx xxxxxxxxx\\\n"
" Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"
"yyyyyyyyyyyyyyyyyy yyyyyyyyyy\\\n"
" Zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
"zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz");
// Hard break after the backslash/delayed hard break.
//
string l5 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\\"
"Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy");
string e5 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\\Y\\\n"
"yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy");
// Hard break after the UTF-8/delayed hard break.
//
string l6 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\xF0\x90\x8C\x82"
"\xF0\x90\x8C\x82yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy");
string e6 ("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\xF0\x90\x8C\x82\\\n"
"\xF0\x90\x8C\x82yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy");
assert (test ({{"","1"},{"a",l1},{"",""},{"",""}}, ": 1\na: " + e1 + "\n"));
assert (test ({{"","1"},{"a",l2},{"",""},{"",""}}, ": 1\na: " + e2 + "\n"));
assert (test ({{"","1"},{"a",l3},{"",""},{"",""}}, ": 1\na: " + e3 + "\n"));
assert (test ({{"","1"},{"a",l4},{"",""},{"",""}}, ": 1\na: " + e4 + "\n"));
assert (test ({{"","1"},{"a",l5},{"",""},{"",""}}, ": 1\na: " + e5 + "\n"));
assert (test ({{"","1"},{"a",l6},{"",""},{"",""}}, ": 1\na: " + e6 + "\n"));
// Multi-line value.
//
string n ("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
assert (test ({{"","1"},{n,"x"},{"",""},{"",""}},
": 1\n" + n + ":\n\\\nx\n\\\n"));
assert (test ({{"","1"},{"a","\n"},{"",""},{"",""}},
": 1\na:\n\\\n\n\n\\\n"));
assert (test ({{"","1"},{"a","\n\n"},{"",""},{"",""}},
": 1\na:\n\\\n\n\n\n\\\n"));
assert (test ({{"","1"},{"a","\nx\n"},{"",""},{"",""}},
": 1\na:\n\\\n\nx\n\n\\\n"));
assert (test ({{"","1"},{"a","x\ny\nz"},{"",""},{"",""}},
": 1\na:\n\\\nx\ny\nz\n\\\n"));
assert (test ({{"","1"},{"a"," x"},{"",""},{"",""}},
": 1\na:\n\\\n x\n\\\n"));
assert (test ({{"","1"},{"a","x "},{"",""},{"",""}},
": 1\na:\n\\\nx \n\\\n"));
assert (test ({{"","1"},{"a"," x "},{"",""},{"",""}},
": 1\na:\n\\\n x \n\\\n"));
// The long lines mode.
//
assert (test ({{"","1"},{"a",l1},{"",""},{"",""}},
": 1\na: " + l1 + "\n",
true /* long_lines */));
assert (test ({{"","1"},{"a", " abc\n" + l1 + "\ndef"},{"",""},{"",""}},
": 1\na:\n\\\n abc\n" + l1 + "\ndef\n\\\n",
true /* long_lines */));
assert (test ({{"","1"},{n,l1},{"",""},{"",""}},
": 1\n" + n + ":\n\\\n" + l1 + "\n\\\n",
true /* long_lines */));
// Carriage return character.
//
assert (test ({{"","1"},{"a","x\ry"},{"",""},{"",""}},
": 1\na:\n\\\nx\ny\n\\\n"));
assert (test ({{"","1"},{"a","x\r"},{"",""},{"",""}},
": 1\na:\n\\\nx\n\n\\\n"));
assert (test ({{"","1"},{"a","x\r\ny"},{"",""},{"",""}},
": 1\na:\n\\\nx\ny\n\\\n"));
assert (test ({{"","1"},{"a","x\r\n"},{"",""},{"",""}},
": 1\na:\n\\\nx\n\n\\\n"));
// Extra three x's are for the leading name part ("a: ") that we
// don't have.
//
assert (test ({{"","1"},{"a","\nxxx" + l1},{"",""},{"",""}},
": 1\na:\n\\\n\nxxx" + e1 + "\n\\\n"));
assert (test ({{"","1"},{"a","\nxxx" + l2},{"",""},{"",""}},
": 1\na:\n\\\n\nxxx" + e2 + "\n\\\n"));
assert (test ({{"","1"},{"a","\nxxx" + l3},{"",""},{"",""}},
": 1\na:\n\\\n\nxxx" + e3 + "\n\\\n"));
assert (test ({{"","1"},{"a","\nxxx" + l4},{"",""},{"",""}},
": 1\na:\n\\\n\nxxx" + e4 + "\n\\\n"));
// Backslash escaping (simple and multi-line).
//
assert (test ({{"","1"},{"a","c:\\"},{"",""},{"",""}},
": 1\na: c:\\\\\n"));
assert (test ({{"","1"},{"a","c:\\\nd:\\"},{"",""},{"",""}},
": 1\na:\n\\\nc:\\\\\nd:\\\\\n\\\n"));
// Manifest value/comment merging.
//
// Single-line.
//
assert (manifest_serializer::merge_comment ("value\\; text", "comment") ==
"value\\\\\\; text; comment");
assert (manifest_serializer::merge_comment ("value text", "") ==
"value text");
// Multi-line.
//
assert (manifest_serializer::merge_comment ("value\n;\ntext", "comment") ==
"value\n\\;\ntext\n;\ncomment");
assert (manifest_serializer::merge_comment ("value\n\\;\ntext\n",
"comment") ==
"value\n\\\\;\ntext\n\n;\ncomment");
assert (manifest_serializer::merge_comment ("value\n\\\\;\ntext\n",
"comment") ==
"value\n\\\\\\\\;\ntext\n\n;\ncomment");
assert (manifest_serializer::merge_comment ("value\n\\\ntext", "comment") ==
"value\n\\\ntext\n;\ncomment");
assert (manifest_serializer::merge_comment ("\\", "comment\n") ==
"\\\n;\ncomment\n");
assert (manifest_serializer::merge_comment ("", "comment\ntext") ==
";\ncomment\ntext");
// Filtering.
//
assert (test ({{"","1"},{"a","abc"},{"b","bca"},{"c","cab"},{"",""},{"",""}},
": 1\na: abc\nc: cab\n",
false /* long_lines */,
[] (const string& n, const string&) {return n != "b";}));
}
static string
serialize (const pairs& m,
bool long_lines = false,
manifest_serializer::filter_function f = {})
{
ostringstream os;
os.exceptions (istream::failbit | istream::badbit);
manifest_serializer s (os, "", long_lines, f);
for (const auto& p: m)
{
if (p.first != "#")
s.next (p.first, p.second);
else
s.comment (p.second);
}
return os.str ();
}
static bool
test (const pairs& m,
const string& e,
bool long_lines,
manifest_serializer::filter_function f)
{
string r (serialize (m, long_lines, f));
if (r != e)
{
cerr << "actual:" << endl << "'" << r << "'"<< endl
<< "expect:" << endl << "'" << e << "'"<< endl;
return false;
}
return true;
}
static bool
fail (const pairs& m)
{
try
{
string r (serialize (m));
cerr << "nofail: " << r << endl;
return false;
}
catch (const manifest_serialization&)
{
//cerr << e << endl;
}
return true;
}
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