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Diffstat (limited to 'src/libexpr/tests/error_traces.cc')
| -rw-r--r-- | src/libexpr/tests/error_traces.cc | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/libexpr/tests/error_traces.cc b/src/libexpr/tests/error_traces.cc new file mode 100644 index 000000000..8741ecdd2 --- /dev/null +++ b/src/libexpr/tests/error_traces.cc @@ -0,0 +1,94 @@ +#include <gmock/gmock.h> +#include <gtest/gtest.h> + +#include "libexprtests.hh" + +namespace nix { + + using namespace testing; + + // Testing eval of PrimOp's + class ErrorTraceTest : public LibExprTest { }; + +#define ASSERT_TRACE1(args, type, message) \ + ASSERT_THROW( \ + try { \ + eval("builtins." args); \ + } catch (BaseError & e) { \ + ASSERT_EQ(PrintToString(e.info().msg), \ + PrintToString(message)); \ + auto trace = e.info().traces.rbegin(); \ + ASSERT_EQ(PrintToString(trace->hint), \ + PrintToString(hintfmt("while calling the '%s' builtin", "genericClosure"))); \ + throw; \ + } \ + , type \ + ) + +#define ASSERT_TRACE2(args, type, message, context) \ + ASSERT_THROW( \ + try { \ + eval("builtins." args); \ + } catch (BaseError & e) { \ + ASSERT_EQ(PrintToString(e.info().msg), \ + PrintToString(message)); \ + auto trace = e.info().traces.rbegin(); \ + ASSERT_EQ(PrintToString(trace->hint), \ + PrintToString(context)); \ + ++trace; \ + ASSERT_EQ(PrintToString(trace->hint), \ + PrintToString(hintfmt("while calling the '%s' builtin", "genericClosure"))); \ + throw; \ + } \ + , type \ + ) + + TEST_F(ErrorTraceTest, genericClosure) { \ + ASSERT_TRACE2("genericClosure 1", + TypeError, + hintfmt("value is %s while a set was expected", "an integer"), + hintfmt("while evaluating the first argument passed to builtins.genericClosure")); + + ASSERT_TRACE1("genericClosure {}", + TypeError, + hintfmt("attribute '%s' missing %s", "startSet", normaltxt("in the attrset passed as argument to builtins.genericClosure"))); + + ASSERT_TRACE2("genericClosure { startSet = 1; }", + TypeError, + hintfmt("value is %s while a list was expected", "an integer"), + hintfmt("while evaluating the 'startSet' attribute passed as argument to builtins.genericClosure")); + + // Okay: "genericClosure { startSet = []; }" + + ASSERT_TRACE2("genericClosure { startSet = [{ key = 1;}]; operator = true; }", + TypeError, + hintfmt("value is %s while a function was expected", "a Boolean"), + hintfmt("while evaluating the 'operator' attribute passed as argument to builtins.genericClosure")); + + ASSERT_TRACE2("genericClosure { startSet = [{ key = 1;}]; operator = item: true; }", + TypeError, + hintfmt("value is %s while a list was expected", "a Boolean"), + hintfmt("while evaluating the return value of the `operator` passed to builtins.genericClosure")); // TODO: inconsistent naming + + ASSERT_TRACE2("genericClosure { startSet = [{ key = 1;}]; operator = item: [ true ]; }", + TypeError, + hintfmt("value is %s while a set was expected", "a Boolean"), + hintfmt("while evaluating one of the elements generated by (or initially passed to) builtins.genericClosure")); + + ASSERT_TRACE1("genericClosure { startSet = [{ key = 1;}]; operator = item: [ {} ]; }", + TypeError, + hintfmt("attribute '%s' missing %s", "key", normaltxt("in one of the attrsets generated by (or initially passed to) builtins.genericClosure"))); + + ASSERT_TRACE2("genericClosure { startSet = [{ key = 1;}]; operator = item: [{ key = ''a''; }]; }", + EvalError, + hintfmt("cannot compare %s with %s", "a string", "an integer"), + hintfmt("while comparing the `key` attributes of two genericClosure elements")); + + ASSERT_TRACE2("genericClosure { startSet = [ true ]; operator = item: [{ key = ''a''; }]; }", + TypeError, + hintfmt("value is %s while a set was expected", "a Boolean"), + hintfmt("while evaluating one of the elements generated by (or initially passed to) builtins.genericClosure")); + + } + +} /* namespace nix */ |