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d27e2d87b95b7982c05b4c88e463cc9626ab9f0a test: test_bitcoin: allow -testdatadir=<datadir> (Larry Ruane)
Pull request description:
This backward-compatible change would help with code review, testing, and debugging. When `test_bitcoin` runs, it creates a working or data directory within `/tmp/test_common_Bitcoin\ Core/`, named as a long random (hex) string.
This small patch does three things:
- If the (new) argument `-testdatadir=<datadir>` is given, use `<datadir>/test_temp/<test-name>/datadir` as the working directory
- When the test starts, remove `<datadir>/test_temp/<test-name>/datadir` if it exists from an earlier run (currently, it's presumed not to exist due to the long random string)
- Don't delete the working directory at the end of the test if a custom data directory is being used
Example usage, which will remove, create, use `/somewhere/test_temp/getarg_tests/boolarg`, and leave it afterward:
```
$ test_bitcoin --run_test=getarg_tests/boolarg -- -testdatadir=/somewhere
Running 1 test case...
Test directory (will not be deleted): "/somewhere/test_temp/getarg_tests/boolarg/datadir"
*** No errors detected
$ ls -l /somewhere/test_temp/getarg_tests/boolarg/datadir
total 8
drwxrwxr-x 2 larry larry 4096 Feb 22 10:28 blocks
-rw-rw-r-- 1 larry larry 1273 Feb 22 10:28 debug.log
```
(A relative pathname also works.)
This change affects only `test_bitcoin`; it could also be applied to `test_bitcoin-qt` but that's slightly more involved so I'm skipping that for now.
The rationale for this change is that, when running the test using the debugger, it's often useful to watch `debug.log` as the test runs and inspect some of the other files (I've looked at the generated `blknnnn.dat` files for example). Currently, that requires figuring out where the test's working directory is since it changes on every test run. Tests can be run with `-printtoconsole=1` to show debug logging to the terminal, but it's nice to keep `debug.log` continuously open in an editor, for example.
Even if not using a debugger, it's sometimes helpful to see `debug.log` and other artifacts after the test completes.
Similar functionality is already possible with the functional tests using the `--tmpdir=` and `--nocleanup` arguments.
ACKs for top commit:
davidgumberg:
ACK https://github.com/bitcoin/bitcoin/pull/26564/commits/d27e2d87b95b7982c05b4c88e463cc9626ab9f0a
tdb3:
re-ACK for d27e2d87b95b7982c05b4c88e463cc9626ab9f0a
achow101:
ACK d27e2d87b95b7982c05b4c88e463cc9626ab9f0a
cbergqvist:
ACK d27e2d87b95b7982c05b4c88e463cc9626ab9f0a! (Already did some testing with `fs::remove()` to make sure it was compatible with the `util::Lock/UnlockDirectory` implementation).
marcofleon:
ACK d27e2d87b95b7982c05b4c88e463cc9626ab9f0a. I ran all the tests with my previous open file limit and no errors were detected. Also ran some individual tests with no, relative, and absolute paths and everything looks good.
furszy:
ACK d27e2d8
Tree-SHA512: a8f535f34a48b6699cb440f97f5562ec643f3bfba4ea685768980b871fc8b6e1135f70fc05dbe19aa2c8bacb1ddeaff212d63473605a7422ff76332b3a6b1f68
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Specifying this argument overrides the path location for test_bitcoin;
it becomes <datadir>/test_common_Bitcoin Core/<testname>/datadir. Also,
this directory isn't removed after the test completes. This can make it
easier for developers to study the results of a test (see the state of
the data directory after the test runs), and also (for example) have an
editor open on debug.log to monitor it across multiple test runs instead
of having to re-open a different pathname each time.
Example usage (note the "--" is needed):
test_bitcoin --run_test=getarg_tests/boolarg -- \
-testdatadir=/somewhere/mydatadir
This will create (if necessary) and use the data directory:
/somewhere/mydatadir/test_common_Bitcoin Core/getarg_tests/boolarg/datadir
Co-authored-by: furszy <mfurszy@protonmail.com>
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make check runs a bunch of other subtree tests that exercise code that
is hardly ever changed and have a comparatively long runtime. There
seems to be no target for running just the unit tests, so add one.
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Retrieve the command line arguments from boost and pass them to
`BasicTestingSetup` so that we gain extra flexibility of passing any
config options on the test command line, e.g.:
```
test_bitcoin -- -printtoconsole=1 -checkaddrman=5
```
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Feedback from Jon Atack and Marco Falke.
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-BEGIN VERIFY SCRIPT-
sed -i --regexp-extended -e 's/test_bitcoin\.(h|cpp)/setup_common.\1/g' $(git grep -l test_bitcoin)
git mv ./src/test/test_bitcoin.h ./src/test/setup_common.h
git mv ./src/test/test_bitcoin.cpp ./src/test/setup_common.cpp
sed -i -e 's/BITCOIN_TEST_TEST_BITCOIN_H/BITCOIN_TEST_SETUP_COMMON_H/g' ./src/test/setup_common.h
-END VERIFY SCRIPT-
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-BEGIN VERIFY SCRIPT-
sed --in-place'' --regexp-extended 's/[[:space:]]+$//g' $(git grep -I --files-with-matches --extended-regexp '[[:space:]]+$' -- src test ':!*.svg' ':!src/crypto/sha256_sse4*' ':!src/leveldb' ':!src/qt/locale' ':!src/secp256k1' ':!src/univalue')
-END VERIFY SCRIPT-
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The listed link is directing to an empty page, at least content-wise. I found the same page on archive.is and linked to that instead.
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`make` rebuilds the entire project. This is quite slow if e.g. you're making changes to one file and only wish to run the bitcoind tests.
This commit adds an instruction to run `make -C src/test` (as opposed to `make src/test` and `make src/test/test_bitcoin`).
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Refer to the right file in the top-level README.md.
Having only one file with test documentation saves some confusion about
where things are documented.
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Updating documentation for adding new unit test files
Removing unneeded sentence from README
Removing uint160_tests.cpp as it DNE
Formatting command line instructions to use ``
fixing 80 char formatting issue in README
fixing more nits
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As suggested by Greg Maxwell-- unit test to make sure a block
with a double-spend in it doesn't pass validation if half of
the double-spend is already in the memory pool (so full-blown
transaction validation is skipped) when the block is received.
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Syntax Highlighting
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