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Merge pull request #9834 from 9999years/structured-errors

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Towards structured error classes
This commit is contained in:
Théophane Hufschmitt 2024-02-08 20:00:25 +01:00 • committed by GitHub
commit 1ba9780cf5
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42 changed files with 790 additions and 660 deletions
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20
tests/unit/libexpr/error_traces.cc
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@ -12,33 +12,33 @@ namespace nix {
TEST_F(ErrorTraceTest, TraceBuilder) {
ASSERT_THROW(
state.error("Not much").debugThrow<EvalError>(),
state.error<EvalError>("puppy").debugThrow(),
EvalError
);
ASSERT_THROW(
state.error("Not much").withTrace(noPos, "No more").debugThrow<EvalError>(),
state.error<EvalError>("puppy").withTrace(noPos, "doggy").debugThrow(),
EvalError
);
ASSERT_THROW(
try {
try {
state.error("Not much").withTrace(noPos, "No more").debugThrow<EvalError>();
state.error<EvalError>("puppy").withTrace(noPos, "doggy").debugThrow();
} catch (Error & e) {
e.addTrace(state.positions[noPos], "Something", "");
e.addTrace(state.positions[noPos], "beans", "");
throw;
}
} catch (BaseError & e) {
ASSERT_EQ(PrintToString(e.info().msg),
PrintToString(hintfmt("Not much")));
PrintToString(hintfmt("puppy")));
auto trace = e.info().traces.rbegin();
ASSERT_EQ(e.info().traces.size(), 2);
ASSERT_EQ(PrintToString(trace->hint),
PrintToString(hintfmt("No more")));
PrintToString(hintfmt("doggy")));
trace++;
ASSERT_EQ(PrintToString(trace->hint),
PrintToString(hintfmt("Something")));
PrintToString(hintfmt("beans")));
throw;
}
, EvalError
@ -47,12 +47,12 @@ namespace nix {
TEST_F(ErrorTraceTest, NestedThrows) {
try {
state.error("Not much").withTrace(noPos, "No more").debugThrow<EvalError>();
state.error<EvalError>("puppy").withTrace(noPos, "doggy").debugThrow();
} catch (BaseError & e) {
try {
state.error("Not much more").debugThrow<EvalError>();
state.error<EvalError>("beans").debugThrow();
} catch (Error & e2) {
e.addTrace(state.positions[noPos], "Something", "");
e.addTrace(state.positions[noPos], "beans2", "");
//e2.addTrace(state.positions[noPos], "Something", "");
ASSERT_TRUE(e.info().traces.size() == 2);
ASSERT_TRUE(e2.info().traces.size() == 0);