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Update docs on the unit tests
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224c6c3256
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6 changed files with 60 additions and 8 deletions
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@ -76,8 +76,25 @@ there is no risk of any build-system wildcards for the library accidentally pick
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### Running tests
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You can run the whole testsuite with `make check`, or the tests for a specific component with `make libfoo-tests_RUN`.
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Finer-grained filtering is also possible using the [--gtest_filter](https://google.github.io/googletest/advanced.html#running-a-subset-of-the-tests) command-line option, or the `GTEST_FILTER` environment variable, e.g. `GTEST_FILTER='ErrorTraceTest.*' make check`.
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You can run the whole testsuite with `meson test` from the Meson build directory, or the tests for a specific component with `meson test nix-store-tests`.
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A environment variables that Google Test accepts are also worth knowing:
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1. [`GTEST_FILTER`](https://google.github.io/googletest/advanced.html#running-a-subset-of-the-tests)
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This is used for finer-grained filtering of which tests to run.
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2. [`GTEST_BRIEF`](https://google.github.io/googletest/advanced.html#suppressing-test-passes)
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This is used to avoid logging passing tests.
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Putting the two together, one might run
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```bash
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GTEST_BREIF=1 GTEST_FILTER='ErrorTraceTest.*' meson test nix-expr-tests -v
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```
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for short but comprensive output.
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### Characterisation testing { #characaterisation-testing-unit }
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@ -86,7 +103,7 @@ See [functional characterisation testing](#characterisation-testing-functional)
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Like with the functional characterisation, `_NIX_TEST_ACCEPT=1` is also used.
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For example:
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```shell-session
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$ _NIX_TEST_ACCEPT=1 make libstore-tests_RUN
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$ _NIX_TEST_ACCEPT=1 meson test nix-store-tests -v
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...
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[ SKIPPED ] WorkerProtoTest.string_read
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[ SKIPPED ] WorkerProtoTest.string_write
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@ -81,4 +81,11 @@ this_exe = executable(
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install : true,
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)
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test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
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test(
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meson.project_name(),
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this_exe,
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env : {
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'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
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},
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protocol : 'gtest',
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)
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@ -61,4 +61,11 @@ this_exe = executable(
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install : true,
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)
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test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
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test(
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meson.project_name(),
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this_exe,
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env : {
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'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
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},
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protocol : 'gtest',
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)
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@ -62,4 +62,11 @@ this_exe = executable(
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install : true,
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)
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test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
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test(
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meson.project_name(),
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this_exe,
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env : {
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'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
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},
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protocol : 'gtest',
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)
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@ -85,4 +85,11 @@ this_exe = executable(
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install : true,
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)
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test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
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test(
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meson.project_name(),
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this_exe,
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env : {
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'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
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},
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protocol : 'gtest',
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)
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@ -81,4 +81,11 @@ this_exe = executable(
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install : true,
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)
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test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
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test(
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meson.project_name(),
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this_exe,
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env : {
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'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
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},
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protocol : 'gtest',
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)
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