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t/unit-tests: convert strvec tests to use clar

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Convert the strvec tests to use the new clar unit testing framework.
This is a first test balloon that demonstrates how the testing infra for
clar-based tests looks like.

The tests are part of the "t/unit-tests/bin/unit-tests" binary. When
running that binary with an injected error, it generates TAP output:

    # ./t/unit-tests/bin/unit-tests
    TAP version 13
    # start of suite 1: strvec
    ok 1 - strvec::init
    ok 2 - strvec::dynamic_init
    ok 3 - strvec::clear
    not ok 4 - strvec::push
        ---
        reason: |
          String mismatch: (&vec)->v[i] != expect[i]
          'foo' != 'fo' (at byte 2)
        at:
          file: 't/unit-tests/strvec.c'
          line: 48
          function: 'test_strvec__push'
        ---
    ok 5 - strvec::pushf
    ok 6 - strvec::pushl
    ok 7 - strvec::pushv
    ok 8 - strvec::replace_at_head
    ok 9 - strvec::replace_at_tail
    ok 10 - strvec::replace_in_between
    ok 11 - strvec::replace_with_substring
    ok 12 - strvec::remove_at_head
    ok 13 - strvec::remove_at_tail
    ok 14 - strvec::remove_in_between
    ok 15 - strvec::pop_empty_array
    ok 16 - strvec::pop_non_empty_array
    ok 17 - strvec::split_empty_string
    ok 18 - strvec::split_single_item
    ok 19 - strvec::split_multiple_items
    ok 20 - strvec::split_whitespace_only
    ok 21 - strvec::split_multiple_consecutive_whitespaces
    ok 22 - strvec::detach
    1..22

The binary also supports some parameters that allow us to run only a
subset of unit tests or alter the output:

    $ ./t/unit-tests/bin/unit-tests -h
    Usage: ./t/unit-tests/bin/unit-tests [options]

    Options:
      -sname        Run only the suite with `name` (can go to individual test name)
      -iname        Include the suite with `name`
      -xname        Exclude the suite with `name`
      -v            Increase verbosity (show suite names)
      -q            Only report tests that had an error
      -Q            Quit as soon as a test fails
      -t            Display results in tap format
      -l            Print suite names
      -r[filename]  Write summary file (to the optional filename)

Furthermore, running `make unit-tests` runs the binary along with all
the other unit tests we have.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-09-04 16:17:17 +02:00
committed by Junio C Hamano
parent 3d5d4c876a
commit d7f0c47964
3 changed files with 242 additions and 212 deletions
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2
Makefile
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@@ -1336,6 +1336,7 @@ THIRD_PARTY_SOURCES += sha1dc/%
THIRD_PARTY_SOURCES += $(UNIT_TEST_DIR)/clar/%
THIRD_PARTY_SOURCES += $(UNIT_TEST_DIR)/clar/clar/%
UNIT_TESTS_SUITES += strvec
UNIT_TESTS_PROG = $(UNIT_TEST_BIN)/unit-tests$(X)
UNIT_TESTS_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TESTS_SUITES))
UNIT_TESTS_OBJS += $(UNIT_TEST_DIR)/clar/clar.o
@@ -1356,7 +1357,6 @@ UNIT_TEST_PROGRAMS += t-reftable-record
UNIT_TEST_PROGRAMS += t-reftable-tree
UNIT_TEST_PROGRAMS += t-strbuf
UNIT_TEST_PROGRAMS += t-strcmp-offset
UNIT_TEST_PROGRAMS += t-strvec
UNIT_TEST_PROGRAMS += t-trailer
UNIT_TEST_PROGS = $(patsubst %,$(UNIT_TEST_BIN)/%$X,$(UNIT_TEST_PROGRAMS))
UNIT_TEST_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))