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address failing addTrace test #3783

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merged 3 commits into from
Jul 6, 2020
Merged

address failing addTrace test #3783

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a168224
spacing
bburdette Jul 5, 2020
75bfcf8
revamp trace code and test
bburdette Jul 6, 2020
efd6a8b
bump
bburdette Jul 6, 2020
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27 changes: 11 additions & 16 deletions src/libutil/error.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -355,26 +355,21 @@ std::ostream& showErrorInfo(std::ostream &out, const ErrorInfo &einfo, bool show

for (auto iter = einfo.traces.rbegin(); iter != einfo.traces.rend(); ++iter)
{
try {
out << std::endl << prefix;
out << ANSI_BLUE << "trace: " << ANSI_NORMAL << iter->hint.str();

if (iter->pos.has_value() && (*iter->pos)) {
auto pos = iter->pos.value();
out << std::endl << prefix;
out << ANSI_BLUE << "trace: " << ANSI_NORMAL << iter->hint.str();
printAtPos(prefix, pos, out);

nl = true;
if (*iter->pos) {
auto pos = iter->pos.value();
auto loc = getCodeLines(pos);
if (loc.has_value())
{
out << std::endl << prefix;
printCodeLines(out, prefix, pos, *loc);
out << std::endl << prefix;

printAtPos(prefix, pos, out);
auto loc = getCodeLines(pos);
if (loc.has_value())
{
out << std::endl << prefix;
printCodeLines(out, prefix, pos, *loc);
out << std::endl << prefix;
}
}
} catch(const std::bad_optional_access& e) {
out << iter->hint.str() << std::endl;
}
}
}
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15 changes: 9 additions & 6 deletions src/libutil/tests/logging.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -251,18 +251,19 @@ namespace nix {
TEST(addTrace, showTracesWithShowTrace) {
SymbolTable testTable;
auto problem_file = testTable.create(test_file);

auto oneliner_file = testTable.create(one_liner);
auto invalidfilename = testTable.create("invalid filename");

auto e = AssertionError(ErrorInfo {
.name = "wat",
.description = "a well-known problem occurred",
.description = "show-traces",
.hint = hintfmt("it has been %1% days since our last error", "zero"),
.errPos = Pos(foString, problem_file, 2, 13),
});

e.addTrace(Pos(foStdin, oneliner_file, 1, 19), "while trying to compute %1%", 42);
e.addTrace(std::nullopt, "while doing something without a %1%", "pos");
e.addTrace(Pos(foFile, invalidfilename, 100, 1), "missing %s", "nix file");

testing::internal::CaptureStderr();

Expand All @@ -271,24 +272,25 @@ namespace nix {
logError(e.info());

auto str = testing::internal::GetCapturedStderr();
ASSERT_STREQ(str.c_str(), "\x1B[31;1merror:\x1B[0m\x1B[34;1m --- AssertionError --- error-unit-test\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(2:13)\x1B[34;1m from string\x1B[0m\n\na well-known problem occurred\n\n 1| previous line of code\n 2| this is the problem line of code\n | \x1B[31;1m^\x1B[0m\n 3| next line of code\n\nit has been \x1B[33;1mzero\x1B[0m days since our last error\n\x1B[34;1m---- show-trace ----\x1B[0m\n\x1B[34;1mtrace: \x1B[0mwhile trying to compute \x1B[33;1m42\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(1:19)\x1B[34;1m from stdin\x1B[0m\n\n 1| this is the other problem line of code\n | \x1B[31;1m^\x1B[0m\n\n\x1B[34;1mtrace: \x1B[0mwhile doing something without a \x1B[33;1mpos\x1B[0m\n");
ASSERT_STREQ(str.c_str(), "\x1B[31;1merror:\x1B[0m\x1B[34;1m --- SysError --- error-unit-test\x1B[0m\nopening file '\x1B[33;1minvalid filename\x1B[0m': \x1B[33;1mNo such file or directory\x1B[0m\n\x1B[31;1merror:\x1B[0m\x1B[34;1m --- AssertionError --- error-unit-test\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(2:13)\x1B[34;1m from string\x1B[0m\n\nshow-traces\n\n 1| previous line of code\n 2| this is the problem line of code\n | \x1B[31;1m^\x1B[0m\n 3| next line of code\n\nit has been \x1B[33;1mzero\x1B[0m days since our last error\n\x1B[34;1m---- show-trace ----\x1B[0m\n\x1B[34;1mtrace: \x1B[0mwhile trying to compute \x1B[33;1m42\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(1:19)\x1B[34;1m from stdin\x1B[0m\n\n 1| this is the other problem line of code\n | \x1B[31;1m^\x1B[0m\n\n\x1B[34;1mtrace: \x1B[0mwhile doing something without a \x1B[33;1mpos\x1B[0m\n\x1B[34;1mtrace: \x1B[0mmissing \x1B[33;1mnix file\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(100:1)\x1B[34;1m in file: \x1B[0minvalid filename\n");
}

TEST(addTrace, hideTracesWithoutShowTrace) {
SymbolTable testTable;
auto problem_file = testTable.create(test_file);

auto oneliner_file = testTable.create(one_liner);
auto invalidfilename = testTable.create("invalid filename");

auto e = AssertionError(ErrorInfo {
.name = "wat",
.description = "a well-known problem occurred",
.description = "hide traces",
.hint = hintfmt("it has been %1% days since our last error", "zero"),
.errPos = Pos(foString, problem_file, 2, 13),
});

e.addTrace(Pos(foStdin, oneliner_file, 1, 19), "while trying to compute %1%", 42);
e.addTrace(std::nullopt, "while doing something without a %1%", "pos");
e.addTrace(Pos(foFile, invalidfilename, 100, 1), "missing %s", "nix file");

testing::internal::CaptureStderr();

Expand All @@ -297,9 +299,10 @@ namespace nix {
logError(e.info());

auto str = testing::internal::GetCapturedStderr();
ASSERT_STREQ(str.c_str(), "\x1B[31;1merror:\x1B[0m\x1B[34;1m --- AssertionError --- error-unit-test\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(2:13)\x1B[34;1m from string\x1B[0m\n\na well-known problem occurred\n\n 1| previous line of code\n 2| this is the problem line of code\n | \x1B[31;1m^\x1B[0m\n 3| next line of code\n\nit has been \x1B[33;1mzero\x1B[0m days since our last error\n");
ASSERT_STREQ(str.c_str(), "\x1B[31;1merror:\x1B[0m\x1B[34;1m --- AssertionError --- error-unit-test\x1B[0m\n\x1B[34;1mat: \x1B[33;1m(2:13)\x1B[34;1m from string\x1B[0m\n\nhide traces\n\n 1| previous line of code\n 2| this is the problem line of code\n | \x1B[31;1m^\x1B[0m\n 3| next line of code\n\nit has been \x1B[33;1mzero\x1B[0m days since our last error\n");
}


/* ----------------------------------------------------------------------------
* hintfmt
* --------------------------------------------------------------------------*/
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