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./contrib/devtools/copyright_header.py update ./
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# Mark all lines with #includes
sed -i --regexp-extended -e 's/(#include <.*>)/\1 /g' $(git grep -l '#include' ./src/bench/ ./src/test ./src/wallet/test/)
# Sort all marked lines
git diff -U0 | ./contrib/devtools/clang-format-diff.py -p1 -i -v
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s() { contrib/devtools/copyright_header.py insert "$1"; }
s build_msvc/bitcoin_config.h
s build_msvc/msvc-autogen.py
s build_msvc/testconsensus/testconsensus.cpp
s contrib/devtools/circular-dependencies.py
s contrib/devtools/gen-manpages.sh
s contrib/filter-lcov.py
s contrib/gitian-build.py
s contrib/install_db4.sh
s src/crypto/sha256_avx2.cpp
s src/crypto/sha256_sse41.cpp
s src/fs.cpp
s src/qt/test/addressbooktests.cpp
s src/qt/test/addressbooktests.h
s src/qt/test/util.cpp
s src/qt/test/util.h
s src/qt/test/wallettests.cpp
s src/qt/test/wallettests.h
s src/test/blockchain_tests.cpp
s test/functional/combine_logs.py
s test/lint/lint-locale-dependence.sh
sed -i '1G' test/lint/lint-shebang.sh
s test/lint/lint-shebang.sh
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# Move files
for f in $(git ls-files src/test/lib/); do git mv $f src/test/util/; done
git mv src/test/setup_common.cpp src/test/util/
git mv src/test/setup_common.h src/test/util/
# Replace Windows paths
sed -i -e 's|\\setup_common|\\util\\setup_common|g' $(git grep -l '\\setup_common')
sed -i -e 's|src\\test\\lib\\|src\\test\\util\\|g' build_msvc/test_bitcoin/test_bitcoin.vcxproj
# Everything else
sed -i -e 's|/setup_common|/util/setup_common|g' $(git grep -l 'setup_common')
sed -i -e 's|test/lib/|test/util/|g' $(git grep -l 'test/lib/')
# Fix include guard
sed -i -e 's|BITCOIN_TEST_SETUP_COMMON_H|BITCOIN_TEST_UTIL_SETUP_COMMON_H|g' ./src/test/util/setup_common.h
sed -i -e 's|BITCOIN_TEST_LIB_|BITCOIN_TEST_UTIL_|g' $(git grep -l 'BITCOIN_TEST_LIB_')
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unused includes in tests
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-BEGIN VERIFY SCRIPT-
sed -i --regexp-extended -e 's/test_bitcoin\.(h|cpp)/setup_common.\1/g' $(git grep -l test_bitcoin)
git mv ./src/test/test_bitcoin.h ./src/test/setup_common.h
git mv ./src/test/test_bitcoin.cpp ./src/test/setup_common.cpp
sed -i -e 's/BITCOIN_TEST_TEST_BITCOIN_H/BITCOIN_TEST_SETUP_COMMON_H/g' ./src/test/setup_common.h
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This removes the need to include rpc/blockchain.cpp in order to put
GetDifficulty under test. GetDifficulty was called in two ways:
* with a guaranteed non-null blockindex
* with no argument
Change the latter case to be provided chainActive.Tip() explicitly.
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Do not share functions that are meant to be translation unit local with
other translation units. Use internal linkage for those consistently.
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The name of the fixture test suite in `src/test/foo_tests.cpp`
should be `foo_tests`.
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blockchain.cpp has low unit test coverage. This commit is intended
to start improving its code coverage to reasonable levels. One or more
follow up commits will complete the task that this commit is starting
(though the usefulness of this commit is not dependent upon later
commits).
Note that these tests were not written based upon a specification of how
GetDifficulty *should* work, but rather how it actually *does* work. As
a result, if there are any bugs in the current GetDifficulty
implementation, these unit tests serve to lock them in rather than
expose them.
-- Why has blockchain.cpp been modified if this is a unit testing change?
Since the existing GetDifficulty function relies on a global variable,
chainActive, it was not suitable for unit testing purposes. Both the
existing GetDifficulty function and the unit tests now call through to
a new, more modular version of GetDifficulty that can work on any chain,
not just chainActive.
-- Why does blockchain_tests.cpp directly include blockchain.cpp instead
of blockchain.h?
While the new GetDifficulty function's signature is arguably better than
the old one's, it still isn't great, and doesn't seem to warrant inclusion
as part of the blockchain.h API, especially since only test code is
directly using it. If a better way of exposing the new GetDifficulty
function to unit tests exists, please mention it and the commit will be
updated accordingly.
-- Why is the test fixture named blockchain_difficulty_tests rather than
blockchain_tests?
The Bitcoin Core policy for naming unit test files is to match the the
file under test ("blockchain" becomes "blockchain_tests"). While this
commit complies with that, blockchain.cpp is a massive file, such that
having all of the unit tests in one file will tend towards disorder.
Since there will be a lot more tests added to this file, the intention
is to divide up different types of tests into different test fixtures
within the same file.
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