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Update docs on the unit tests

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John Ericson 2024-06-29 10:59:05 -04:00
parent 224c6c3256
commit 11dab30be9
6 changed files with 60 additions and 8 deletions
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23
doc/manual/src/contributing/testing.md
View file

@ -76,8 +76,25 @@ there is no risk of any build-system wildcards for the library accidentally pick
### Running tests
You can run the whole testsuite with `make check`, or the tests for a specific component with `make libfoo-tests_RUN`.
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`.
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`.
A environment variables that Google Test accepts are also worth knowing:
1. [`GTEST_FILTER`](https://google.github.io/googletest/advanced.html#running-a-subset-of-the-tests)
This is used for finer-grained filtering of which tests to run.
2. [`GTEST_BRIEF`](https://google.github.io/googletest/advanced.html#suppressing-test-passes)
This is used to avoid logging passing tests.
Putting the two together, one might run
```bash
GTEST_BREIF=1 GTEST_FILTER='ErrorTraceTest.*' meson test nix-expr-tests -v
```
for short but comprensive output.
### Characterisation testing { #characaterisation-testing-unit }
@ -86,7 +103,7 @@ See [functional characterisation testing](#characterisation-testing-functional)
Like with the functional characterisation, `_NIX_TEST_ACCEPT=1` is also used.
For example:
```shell-session
$ _NIX_TEST_ACCEPT=1 make libstore-tests_RUN
$ _NIX_TEST_ACCEPT=1 meson test nix-store-tests -v
...
[ SKIPPED ] WorkerProtoTest.string_read
[ SKIPPED ] WorkerProtoTest.string_write

9
src/nix-expr-tests/meson.build
View file

@ -81,4 +81,11 @@ this_exe = executable(
install : true,
)
test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
test(
meson.project_name(),
this_exe,
env : {
'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
},
protocol : 'gtest',
)

9
src/nix-fetchers-tests/meson.build
View file

@ -61,4 +61,11 @@ this_exe = executable(
install : true,
)
test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
test(
meson.project_name(),
this_exe,
env : {
'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
},
protocol : 'gtest',
)

9
src/nix-flake-tests/meson.build
View file

@ -62,4 +62,11 @@ this_exe = executable(
install : true,
)
test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
test(
meson.project_name(),
this_exe,
env : {
'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
},
protocol : 'gtest',
)

9
src/nix-store-tests/meson.build
View file

@ -85,4 +85,11 @@ this_exe = executable(
install : true,
)
test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
test(
meson.project_name(),
this_exe,
env : {
'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
},
protocol : 'gtest',
)

9
src/nix-util-tests/meson.build
View file

@ -81,4 +81,11 @@ this_exe = executable(
install : true,
)
test(meson.project_name(), this_exe, env : ['_NIX_TEST_UNIT_DATA=' + meson.current_source_dir() + '/data'])
test(
meson.project_name(),
this_exe,
env : {
'_NIX_TEST_UNIT_DATA': meson.current_source_dir() / 'data',
},
protocol : 'gtest',
)