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91b6833686
Today, with the tests inside a `tests` intermingled with the
corresponding library's source code, we have a few problems:
- We have to be careful that wildcards don't end up with tests being
built as part of Nix proper, or test headers being installed as part
of Nix proper.
- Tests in libraries but not executables is not right:
- It means each executable runs the previous unit tests again, because
it needs the libraries.
- It doesn't work right on Windows, which doesn't want you to load a
DLL just for the side global variable . It could be made to work
with the dlopen equivalent, but that's gross!
This reorg solves these problems.
There is a remaining problem which is that sibbling headers (like
`hash.hh` the test header vs `hash.hh` the main `libnixutil` header) end
up shadowing each other. This PR doesn't solve that. That is left as
future work for a future PR.
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#include "references.hh"
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#include <gtest/gtest.h>
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namespace nix {
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using std::string;
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struct RewriteParams {
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string originalString, finalString;
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StringMap rewrites;
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friend std::ostream& operator<<(std::ostream& os, const RewriteParams& bar) {
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StringSet strRewrites;
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for (auto & [from, to] : bar.rewrites)
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strRewrites.insert(from + "->" + to);
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return os <<
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"OriginalString: " << bar.originalString << std::endl <<
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"Rewrites: " << concatStringsSep(",", strRewrites) << std::endl <<
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"Expected result: " << bar.finalString;
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}
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};
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class RewriteTest : public ::testing::TestWithParam<RewriteParams> {
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};
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TEST_P(RewriteTest, IdentityRewriteIsIdentity) {
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RewriteParams param = GetParam();
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StringSink rewritten;
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auto rewriter = RewritingSink(param.rewrites, rewritten);
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rewriter(param.originalString);
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rewriter.flush();
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ASSERT_EQ(rewritten.s, param.finalString);
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}
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INSTANTIATE_TEST_CASE_P(
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references,
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RewriteTest,
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::testing::Values(
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RewriteParams{ "foooo", "baroo", {{"foo", "bar"}, {"bar", "baz"}}},
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RewriteParams{ "foooo", "bazoo", {{"fou", "bar"}, {"foo", "baz"}}},
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RewriteParams{ "foooo", "foooo", {}}
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)
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);
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}
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