]> git.ipfire.org Git - thirdparty/git.git/commitdiff
t: move reftable/readwrite_test.c to the unit testing framework
authorChandra Pratap <chandrapratap3519@gmail.com>
Tue, 13 Aug 2024 14:34:47 +0000 (20:04 +0530)
committerJunio C Hamano <gitster@pobox.com>
Tue, 13 Aug 2024 17:08:02 +0000 (10:08 -0700)
reftable/readwrite_test.c exercises the functions defined in
reftable/reader.{c,h} and reftable/writer.{c,h}. Migrate
reftable/readwrite_test.c to the unit testing framework. Migration
involves refactoring the tests to use the unit testing framework
instead of reftable's test framework and renaming the tests to
align with unit-tests' naming conventions.

Since some tests in reftable/readwrite_test.c use the functions
set_test_hash(), noop_flush() and strbuf_add_void() defined in
reftable/test_framework.{c,h} but these files are not #included
in the ported unit test, copy these functions in the new test file.

While at it, ensure structs are 0-initialized with '= { 0 }'
instead of '= { NULL }'.

Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Makefile
reftable/reftable-tests.h
t/helper/test-reftable.c
t/unit-tests/t-reftable-readwrite.c [moved from reftable/readwrite_test.c with 70% similarity]

index 3863e60b6641897f9923ac41cb0140e58de5f46a..76e4d1c1ec336d1eb9bfd515154370ef29fb6042 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1341,6 +1341,7 @@ UNIT_TEST_PROGRAMS += t-oidtree
 UNIT_TEST_PROGRAMS += t-prio-queue
 UNIT_TEST_PROGRAMS += t-reftable-basics
 UNIT_TEST_PROGRAMS += t-reftable-merged
+UNIT_TEST_PROGRAMS += t-reftable-readwrite
 UNIT_TEST_PROGRAMS += t-reftable-record
 UNIT_TEST_PROGRAMS += t-strbuf
 UNIT_TEST_PROGRAMS += t-strcmp-offset
@@ -2682,7 +2683,6 @@ REFTABLE_OBJS += reftable/writer.o
 REFTABLE_TEST_OBJS += reftable/block_test.o
 REFTABLE_TEST_OBJS += reftable/dump.o
 REFTABLE_TEST_OBJS += reftable/pq_test.o
-REFTABLE_TEST_OBJS += reftable/readwrite_test.o
 REFTABLE_TEST_OBJS += reftable/stack_test.o
 REFTABLE_TEST_OBJS += reftable/test_framework.o
 REFTABLE_TEST_OBJS += reftable/tree_test.o
index d5e03dcc1b6852303147f6857a1fc51f0587133c..7d955393d2d564cf06ce084c0dc3dab9300ad364 100644 (file)
@@ -13,7 +13,6 @@ int basics_test_main(int argc, const char **argv);
 int block_test_main(int argc, const char **argv);
 int pq_test_main(int argc, const char **argv);
 int record_test_main(int argc, const char **argv);
-int readwrite_test_main(int argc, const char **argv);
 int stack_test_main(int argc, const char **argv);
 int tree_test_main(int argc, const char **argv);
 int reftable_dump_main(int argc, char *const *argv);
index 9d378427da91d6a235061489a06b30fe65fdafc4..d371e9f9dd7fa27ab33b5f173f9c5e2d435b2a1b 100644 (file)
@@ -8,7 +8,6 @@ int cmd__reftable(int argc, const char **argv)
        block_test_main(argc, argv);
        tree_test_main(argc, argv);
        pq_test_main(argc, argv);
-       readwrite_test_main(argc, argv);
        stack_test_main(argc, argv);
        return 0;
 }
similarity index 70%
rename from reftable/readwrite_test.c
rename to t/unit-tests/t-reftable-readwrite.c
index f411abfe9cb7367d94d84f23a84d4ad7912e50cd..d0eb85fc38ecc1fd9c5804dcd180213a67e1cc72 100644 (file)
@@ -6,37 +6,48 @@ license that can be found in the LICENSE file or at
 https://developers.google.com/open-source/licenses/bsd
 */
 
-#include "system.h"
-
-#include "basics.h"
-#include "block.h"
-#include "blocksource.h"
-#include "reader.h"
-#include "record.h"
-#include "test_framework.h"
-#include "reftable-tests.h"
-#include "reftable-writer.h"
+#include "test-lib.h"
+#include "reftable/blocksource.h"
+#include "reftable/reader.h"
+#include "reftable/reftable-error.h"
+#include "reftable/reftable-writer.h"
 
 static const int update_index = 5;
 
-static void test_buffer(void)
+static void set_test_hash(uint8_t *p, int i)
+{
+       memset(p, (uint8_t)i, hash_size(GIT_SHA1_FORMAT_ID));
+}
+
+static ssize_t strbuf_add_void(void *b, const void *data, size_t sz)
+{
+       strbuf_add(b, data, sz);
+       return sz;
+}
+
+static int noop_flush(void *arg)
+{
+       return 0;
+}
+
+static void t_buffer(void)
 {
        struct strbuf buf = STRBUF_INIT;
-       struct reftable_block_source source = { NULL };
-       struct reftable_block out = { NULL };
+       struct reftable_block_source source = { 0 };
+       struct reftable_block out = { 0 };
        int n;
        uint8_t in[] = "hello";
        strbuf_add(&buf, in, sizeof(in));
        block_source_from_strbuf(&source, &buf);
-       EXPECT(block_source_size(&source) == 6);
+       check_int(block_source_size(&source), ==, 6);
        n = block_source_read_block(&source, &out, 0, sizeof(in));
-       EXPECT(n == sizeof(in));
-       EXPECT(!memcmp(in, out.data, n));
+       check_int(n, ==, sizeof(in));
+       check(!memcmp(in, out.data, n));
        reftable_block_done(&out);
 
        n = block_source_read_block(&source, &out, 1, 2);
-       EXPECT(n == 2);
-       EXPECT(!memcmp(out.data, "el", 2));
+       check_int(n, ==, 2);
+       check(!memcmp(out.data, "el", 2));
 
        reftable_block_done(&out);
        block_source_close(&source);
@@ -52,9 +63,9 @@ static void write_table(char ***names, struct strbuf *buf, int N,
        };
        struct reftable_writer *w =
                reftable_new_writer(&strbuf_add_void, &noop_flush, buf, &opts);
-       struct reftable_ref_record ref = { NULL };
+       struct reftable_ref_record ref = { 0 };
        int i = 0, n;
-       struct reftable_log_record log = { NULL };
+       struct reftable_log_record log = { 0 };
        const struct reftable_stats *stats = NULL;
 
        REFTABLE_CALLOC_ARRAY(*names, N + 1);
@@ -73,7 +84,7 @@ static void write_table(char ***names, struct strbuf *buf, int N,
                (*names)[i] = xstrdup(name);
 
                n = reftable_writer_add_ref(w, &ref);
-               EXPECT(n == 0);
+               check_int(n, ==, 0);
        }
 
        for (i = 0; i < N; i++) {
@@ -89,27 +100,25 @@ static void write_table(char ***names, struct strbuf *buf, int N,
                log.value.update.message = (char *) "message";
 
                n = reftable_writer_add_log(w, &log);
-               EXPECT(n == 0);
+               check_int(n, ==, 0);
        }
 
        n = reftable_writer_close(w);
-       EXPECT(n == 0);
+       check_int(n, ==, 0);
 
        stats = reftable_writer_stats(w);
        for (i = 0; i < stats->ref_stats.blocks; i++) {
                int off = i * opts.block_size;
-               if (off == 0) {
-                       off = header_size(
-                               (hash_id == GIT_SHA256_FORMAT_ID) ? 2 : 1);
-               }
-               EXPECT(buf->buf[off] == 'r');
+               if (!off)
+                       off = header_size((hash_id == GIT_SHA256_FORMAT_ID) ? 2 : 1);
+               check_char(buf->buf[off], ==, 'r');
        }
 
-       EXPECT(stats->log_stats.blocks > 0);
+       check_int(stats->log_stats.blocks, >, 0);
        reftable_writer_free(w);
 }
 
-static void test_log_buffer_size(void)
+static void t_log_buffer_size(void)
 {
        struct strbuf buf = STRBUF_INIT;
        struct reftable_write_options opts = {
@@ -140,14 +149,14 @@ static void test_log_buffer_size(void)
        }
        reftable_writer_set_limits(w, update_index, update_index);
        err = reftable_writer_add_log(w, &log);
-       EXPECT_ERR(err);
+       check(!err);
        err = reftable_writer_close(w);
-       EXPECT_ERR(err);
+       check(!err);
        reftable_writer_free(w);
        strbuf_release(&buf);
 }
 
-static void test_log_overflow(void)
+static void t_log_overflow(void)
 {
        struct strbuf buf = STRBUF_INIT;
        char msg[256] = { 0 };
@@ -177,12 +186,12 @@ static void test_log_overflow(void)
        memset(msg, 'x', sizeof(msg) - 1);
        reftable_writer_set_limits(w, update_index, update_index);
        err = reftable_writer_add_log(w, &log);
-       EXPECT(err == REFTABLE_ENTRY_TOO_BIG_ERROR);
+       check_int(err, ==, REFTABLE_ENTRY_TOO_BIG_ERROR);
        reftable_writer_free(w);
        strbuf_release(&buf);
 }
 
-static void test_log_write_read(void)
+static void t_log_write_read(void)
 {
        int N = 2;
        char **names = reftable_calloc(N + 1, sizeof(*names));
@@ -190,13 +199,13 @@ static void test_log_write_read(void)
        struct reftable_write_options opts = {
                .block_size = 256,
        };
-       struct reftable_ref_record ref = { NULL };
+       struct reftable_ref_record ref = { 0 };
        int i = 0;
-       struct reftable_log_record log = { NULL };
+       struct reftable_log_record log = { 0 };
        int n;
-       struct reftable_iterator it = { NULL };
-       struct reftable_reader rd = { NULL };
-       struct reftable_block_source source = { NULL };
+       struct reftable_iterator it = { 0 };
+       struct reftable_reader rd = { 0 };
+       struct reftable_block_source source = { 0 };
        struct strbuf buf = STRBUF_INIT;
        struct reftable_writer *w =
                reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts);
@@ -204,17 +213,17 @@ static void test_log_write_read(void)
        reftable_writer_set_limits(w, 0, N);
        for (i = 0; i < N; i++) {
                char name[256];
-               struct reftable_ref_record ref = { NULL };
+               struct reftable_ref_record ref = { 0 };
                snprintf(name, sizeof(name), "b%02d%0*d", i, 130, 7);
                names[i] = xstrdup(name);
                ref.refname = name;
                ref.update_index = i;
 
                err = reftable_writer_add_ref(w, &ref);
-               EXPECT_ERR(err);
+               check(!err);
        }
        for (i = 0; i < N; i++) {
-               struct reftable_log_record log = { NULL };
+               struct reftable_log_record log = { 0 };
 
                log.refname = names[i];
                log.update_index = i;
@@ -223,33 +232,33 @@ static void test_log_write_read(void)
                set_test_hash(log.value.update.new_hash, i + 1);
 
                err = reftable_writer_add_log(w, &log);
-               EXPECT_ERR(err);
+               check(!err);
        }
 
        n = reftable_writer_close(w);
-       EXPECT(n == 0);
+       check_int(n, ==, 0);
 
        stats = reftable_writer_stats(w);
-       EXPECT(stats->log_stats.blocks > 0);
+       check_int(stats->log_stats.blocks, >, 0);
        reftable_writer_free(w);
        w = NULL;
 
        block_source_from_strbuf(&source, &buf);
 
        err = init_reader(&rd, &source, "file.log");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_reader_init_ref_iterator(&rd, &it);
 
        err = reftable_iterator_seek_ref(&it, names[N - 1]);
-       EXPECT_ERR(err);
+       check(!err);
 
        err = reftable_iterator_next_ref(&it, &ref);
-       EXPECT_ERR(err);
+       check(!err);
 
        /* end of iteration. */
        err = reftable_iterator_next_ref(&it, &ref);
-       EXPECT(0 < err);
+       check_int(err, >, 0);
 
        reftable_iterator_destroy(&it);
        reftable_ref_record_release(&ref);
@@ -257,23 +266,21 @@ static void test_log_write_read(void)
        reftable_reader_init_log_iterator(&rd, &it);
 
        err = reftable_iterator_seek_log(&it, "");
-       EXPECT_ERR(err);
+       check(!err);
 
        i = 0;
        while (1) {
                int err = reftable_iterator_next_log(&it, &log);
-               if (err > 0) {
+               if (err > 0)
                        break;
-               }
-
-               EXPECT_ERR(err);
-               EXPECT_STREQ(names[i], log.refname);
-               EXPECT(i == log.update_index);
+               check(!err);
+               check_str(names[i], log.refname);
+               check_int(i, ==, log.update_index);
                i++;
                reftable_log_record_release(&log);
        }
 
-       EXPECT(i == N);
+       check_int(i, ==, N);
        reftable_iterator_destroy(&it);
 
        /* cleanup. */
@@ -282,7 +289,7 @@ static void test_log_write_read(void)
        reader_close(&rd);
 }
 
-static void test_log_zlib_corruption(void)
+static void t_log_zlib_corruption(void)
 {
        struct reftable_write_options opts = {
                .block_size = 256,
@@ -316,13 +323,13 @@ static void test_log_zlib_corruption(void)
        reftable_writer_set_limits(w, 1, 1);
 
        err = reftable_writer_add_log(w, &log);
-       EXPECT_ERR(err);
+       check(!err);
 
        n = reftable_writer_close(w);
-       EXPECT(n == 0);
+       check_int(n, ==, 0);
 
        stats = reftable_writer_stats(w);
-       EXPECT(stats->log_stats.blocks > 0);
+       check_int(stats->log_stats.blocks, >, 0);
        reftable_writer_free(w);
        w = NULL;
 
@@ -332,11 +339,11 @@ static void test_log_zlib_corruption(void)
        block_source_from_strbuf(&source, &buf);
 
        err = init_reader(&rd, &source, "file.log");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_reader_init_log_iterator(&rd, &it);
        err = reftable_iterator_seek_log(&it, "refname");
-       EXPECT(err == REFTABLE_ZLIB_ERROR);
+       check_int(err, ==, REFTABLE_ZLIB_ERROR);
 
        reftable_iterator_destroy(&it);
 
@@ -345,14 +352,14 @@ static void test_log_zlib_corruption(void)
        reader_close(&rd);
 }
 
-static void test_table_read_write_sequential(void)
+static void t_table_read_write_sequential(void)
 {
        char **names;
        struct strbuf buf = STRBUF_INIT;
        int N = 50;
-       struct reftable_iterator it = { NULL };
-       struct reftable_block_source source = { NULL };
-       struct reftable_reader rd = { NULL };
+       struct reftable_iterator it = { 0 };
+       struct reftable_block_source source = { 0 };
+       struct reftable_reader rd = { 0 };
        int err = 0;
        int j = 0;
 
@@ -361,26 +368,25 @@ static void test_table_read_write_sequential(void)
        block_source_from_strbuf(&source, &buf);
 
        err = init_reader(&rd, &source, "file.ref");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_reader_init_ref_iterator(&rd, &it);
        err = reftable_iterator_seek_ref(&it, "");
-       EXPECT_ERR(err);
+       check(!err);
 
        while (1) {
-               struct reftable_ref_record ref = { NULL };
+               struct reftable_ref_record ref = { 0 };
                int r = reftable_iterator_next_ref(&it, &ref);
-               EXPECT(r >= 0);
-               if (r > 0) {
+               check_int(r, >=, 0);
+               if (r > 0)
                        break;
-               }
-               EXPECT(0 == strcmp(names[j], ref.refname));
-               EXPECT(update_index == ref.update_index);
+               check_str(names[j], ref.refname);
+               check_int(update_index, ==, ref.update_index);
 
                j++;
                reftable_ref_record_release(&ref);
        }
-       EXPECT(j == N);
+       check_int(j, ==, N);
        reftable_iterator_destroy(&it);
        strbuf_release(&buf);
        free_names(names);
@@ -388,90 +394,88 @@ static void test_table_read_write_sequential(void)
        reader_close(&rd);
 }
 
-static void test_table_write_small_table(void)
+static void t_table_write_small_table(void)
 {
        char **names;
        struct strbuf buf = STRBUF_INIT;
        int N = 1;
        write_table(&names, &buf, N, 4096, GIT_SHA1_FORMAT_ID);
-       EXPECT(buf.len < 200);
+       check_int(buf.len, <, 200);
        strbuf_release(&buf);
        free_names(names);
 }
 
-static void test_table_read_api(void)
+static void t_table_read_api(void)
 {
        char **names;
        struct strbuf buf = STRBUF_INIT;
        int N = 50;
-       struct reftable_reader rd = { NULL };
-       struct reftable_block_source source = { NULL };
+       struct reftable_reader rd = { 0 };
+       struct reftable_block_source source = { 0 };
        int err;
        int i;
-       struct reftable_log_record log = { NULL };
-       struct reftable_iterator it = { NULL };
+       struct reftable_log_record log = { 0 };
+       struct reftable_iterator it = { 0 };
 
        write_table(&names, &buf, N, 256, GIT_SHA1_FORMAT_ID);
 
        block_source_from_strbuf(&source, &buf);
 
        err = init_reader(&rd, &source, "file.ref");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_reader_init_ref_iterator(&rd, &it);
        err = reftable_iterator_seek_ref(&it, names[0]);
-       EXPECT_ERR(err);
+       check(!err);
 
        err = reftable_iterator_next_log(&it, &log);
-       EXPECT(err == REFTABLE_API_ERROR);
+       check_int(err, ==, REFTABLE_API_ERROR);
 
        strbuf_release(&buf);
-       for (i = 0; i < N; i++) {
+       for (i = 0; i < N; i++)
                reftable_free(names[i]);
-       }
        reftable_iterator_destroy(&it);
        reftable_free(names);
        reader_close(&rd);
        strbuf_release(&buf);
 }
 
-static void test_table_read_write_seek(int index, int hash_id)
+static void t_table_read_write_seek(int index, int hash_id)
 {
        char **names;
        struct strbuf buf = STRBUF_INIT;
        int N = 50;
-       struct reftable_reader rd = { NULL };
-       struct reftable_block_source source = { NULL };
+       struct reftable_reader rd = { 0 };
+       struct reftable_block_source source = { 0 };
        int err;
        int i = 0;
 
-       struct reftable_iterator it = { NULL };
+       struct reftable_iterator it = { 0 };
        struct strbuf pastLast = STRBUF_INIT;
-       struct reftable_ref_record ref = { NULL };
+       struct reftable_ref_record ref = { 0 };
 
        write_table(&names, &buf, N, 256, hash_id);
 
        block_source_from_strbuf(&source, &buf);
 
        err = init_reader(&rd, &source, "file.ref");
-       EXPECT_ERR(err);
-       EXPECT(hash_id == reftable_reader_hash_id(&rd));
+       check(!err);
+       check_int(hash_id, ==, reftable_reader_hash_id(&rd));
 
-       if (!index) {
+       if (!index)
                rd.ref_offsets.index_offset = 0;
-       } else {
-               EXPECT(rd.ref_offsets.index_offset > 0);
-       }
+       else
+               check_int(rd.ref_offsets.index_offset, >, 0);
 
        for (i = 1; i < N; i++) {
                reftable_reader_init_ref_iterator(&rd, &it);
                err = reftable_iterator_seek_ref(&it, names[i]);
-               EXPECT_ERR(err);
+               check(!err);
                err = reftable_iterator_next_ref(&it, &ref);
-               EXPECT_ERR(err);
-               EXPECT(0 == strcmp(names[i], ref.refname));
-               EXPECT(REFTABLE_REF_VAL1 == ref.value_type);
-               EXPECT(i == ref.value.val1[0]);
+               check(!err);
+               check_str(names[i], ref.refname);
+               check_int(REFTABLE_REF_VAL1, ==, ref.value_type);
+               check_int(i, ==, ref.value.val1[0]);
 
                reftable_ref_record_release(&ref);
                reftable_iterator_destroy(&it);
@@ -483,40 +487,39 @@ static void test_table_read_write_seek(int index, int hash_id)
        reftable_reader_init_ref_iterator(&rd, &it);
        err = reftable_iterator_seek_ref(&it, pastLast.buf);
        if (err == 0) {
-               struct reftable_ref_record ref = { NULL };
+               struct reftable_ref_record ref = { 0 };
                int err = reftable_iterator_next_ref(&it, &ref);
-               EXPECT(err > 0);
+               check_int(err, >, 0);
        } else {
-               EXPECT(err > 0);
+               check_int(err, >, 0);
        }
 
        strbuf_release(&pastLast);
        reftable_iterator_destroy(&it);
 
        strbuf_release(&buf);
-       for (i = 0; i < N; i++) {
+       for (i = 0; i < N; i++)
                reftable_free(names[i]);
-       }
        reftable_free(names);
        reader_close(&rd);
 }
 
-static void test_table_read_write_seek_linear(void)
+static void t_table_read_write_seek_linear(void)
 {
-       test_table_read_write_seek(0, GIT_SHA1_FORMAT_ID);
+       t_table_read_write_seek(0, GIT_SHA1_FORMAT_ID);
 }
 
-static void test_table_read_write_seek_linear_sha256(void)
+static void t_table_read_write_seek_linear_sha256(void)
 {
-       test_table_read_write_seek(0, GIT_SHA256_FORMAT_ID);
+       t_table_read_write_seek(0, GIT_SHA256_FORMAT_ID);
 }
 
-static void test_table_read_write_seek_index(void)
+static void t_table_read_write_seek_index(void)
 {
-       test_table_read_write_seek(1, GIT_SHA1_FORMAT_ID);
+       t_table_read_write_seek(1, GIT_SHA1_FORMAT_ID);
 }
 
-static void test_table_refs_for(int indexed)
+static void t_table_refs_for(int indexed)
 {
        int N = 50;
        char **want_names = reftable_calloc(N + 1, sizeof(*want_names));
@@ -526,18 +529,18 @@ static void test_table_refs_for(int indexed)
        struct reftable_write_options opts = {
                .block_size = 256,
        };
-       struct reftable_ref_record ref = { NULL };
+       struct reftable_ref_record ref = { 0 };
        int i = 0;
        int n;
        int err;
        struct reftable_reader rd;
-       struct reftable_block_source source = { NULL };
+       struct reftable_block_source source = { 0 };
 
        struct strbuf buf = STRBUF_INIT;
        struct reftable_writer *w =
                reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts);
 
-       struct reftable_iterator it = { NULL };
+       struct reftable_iterator it = { 0 };
        int j;
 
        set_test_hash(want_hash, 4);
@@ -546,7 +549,7 @@ static void test_table_refs_for(int indexed)
                uint8_t hash[GIT_SHA1_RAWSZ];
                char fill[51] = { 0 };
                char name[100];
-               struct reftable_ref_record ref = { NULL };
+               struct reftable_ref_record ref = { 0 };
 
                memset(hash, i, sizeof(hash));
                memset(fill, 'x', 50);
@@ -563,16 +566,15 @@ static void test_table_refs_for(int indexed)
                 */
                /* blocks. */
                n = reftable_writer_add_ref(w, &ref);
-               EXPECT(n == 0);
+               check_int(n, ==, 0);
 
                if (!memcmp(ref.value.val2.value, want_hash, GIT_SHA1_RAWSZ) ||
-                   !memcmp(ref.value.val2.target_value, want_hash, GIT_SHA1_RAWSZ)) {
+                   !memcmp(ref.value.val2.target_value, want_hash, GIT_SHA1_RAWSZ))
                        want_names[want_names_len++] = xstrdup(name);
-               }
        }
 
        n = reftable_writer_close(w);
-       EXPECT(n == 0);
+       check_int(n, ==, 0);
 
        reftable_writer_free(w);
        w = NULL;
@@ -580,33 +582,30 @@ static void test_table_refs_for(int indexed)
        block_source_from_strbuf(&source, &buf);
 
        err = init_reader(&rd, &source, "file.ref");
-       EXPECT_ERR(err);
-       if (!indexed) {
+       check(!err);
+       if (!indexed)
                rd.obj_offsets.is_present = 0;
-       }
 
        reftable_reader_init_ref_iterator(&rd, &it);
        err = reftable_iterator_seek_ref(&it, "");
-       EXPECT_ERR(err);
+       check(!err);
        reftable_iterator_destroy(&it);
 
        err = reftable_reader_refs_for(&rd, &it, want_hash);
-       EXPECT_ERR(err);
+       check(!err);
 
        j = 0;
        while (1) {
                int err = reftable_iterator_next_ref(&it, &ref);
-               EXPECT(err >= 0);
-               if (err > 0) {
+               check_int(err, >=, 0);
+               if (err > 0)
                        break;
-               }
-
-               EXPECT(j < want_names_len);
-               EXPECT(0 == strcmp(ref.refname, want_names[j]));
+               check_int(j, <, want_names_len);
+               check_str(ref.refname, want_names[j]);
                j++;
                reftable_ref_record_release(&ref);
        }
-       EXPECT(j == want_names_len);
+       check_int(j, ==, want_names_len);
 
        strbuf_release(&buf);
        free_names(want_names);
@@ -614,54 +613,54 @@ static void test_table_refs_for(int indexed)
        reader_close(&rd);
 }
 
-static void test_table_refs_for_no_index(void)
+static void t_table_refs_for_no_index(void)
 {
-       test_table_refs_for(0);
+       t_table_refs_for(0);
 }
 
-static void test_table_refs_for_obj_index(void)
+static void t_table_refs_for_obj_index(void)
 {
-       test_table_refs_for(1);
+       t_table_refs_for(1);
 }
 
-static void test_write_empty_table(void)
+static void t_write_empty_table(void)
 {
        struct reftable_write_options opts = { 0 };
        struct strbuf buf = STRBUF_INIT;
        struct reftable_writer *w =
                reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts);
-       struct reftable_block_source source = { NULL };
+       struct reftable_block_source source = { 0 };
        struct reftable_reader *rd = NULL;
-       struct reftable_ref_record rec = { NULL };
-       struct reftable_iterator it = { NULL };
+       struct reftable_ref_record rec = { 0 };
+       struct reftable_iterator it = { 0 };
        int err;
 
        reftable_writer_set_limits(w, 1, 1);
 
        err = reftable_writer_close(w);
-       EXPECT(err == REFTABLE_EMPTY_TABLE_ERROR);
+       check_int(err, ==, REFTABLE_EMPTY_TABLE_ERROR);
        reftable_writer_free(w);
 
-       EXPECT(buf.len == header_size(1) + footer_size(1));
+       check_int(buf.len, ==, header_size(1) + footer_size(1));
 
        block_source_from_strbuf(&source, &buf);
 
        err = reftable_new_reader(&rd, &source, "filename");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_reader_init_ref_iterator(rd, &it);
        err = reftable_iterator_seek_ref(&it, "");
-       EXPECT_ERR(err);
+       check(!err);
 
        err = reftable_iterator_next_ref(&it, &rec);
-       EXPECT(err > 0);
+       check_int(err, >, 0);
 
        reftable_iterator_destroy(&it);
        reftable_reader_free(rd);
        strbuf_release(&buf);
 }
 
-static void test_write_object_id_min_length(void)
+static void t_write_object_id_min_length(void)
 {
        struct reftable_write_options opts = {
                .block_size = 75,
@@ -686,17 +685,17 @@ static void test_write_object_id_min_length(void)
                snprintf(name, sizeof(name), "ref%05d", i);
                ref.refname = name;
                err = reftable_writer_add_ref(w, &ref);
-               EXPECT_ERR(err);
+               check(!err);
        }
 
        err = reftable_writer_close(w);
-       EXPECT_ERR(err);
-       EXPECT(reftable_writer_stats(w)->object_id_len == 2);
+       check(!err);
+       check_int(reftable_writer_stats(w)->object_id_len, ==, 2);
        reftable_writer_free(w);
        strbuf_release(&buf);
 }
 
-static void test_write_object_id_length(void)
+static void t_write_object_id_length(void)
 {
        struct reftable_write_options opts = {
                .block_size = 75,
@@ -722,17 +721,17 @@ static void test_write_object_id_length(void)
                ref.refname = name;
                ref.value.val1[15] = i;
                err = reftable_writer_add_ref(w, &ref);
-               EXPECT_ERR(err);
+               check(!err);
        }
 
        err = reftable_writer_close(w);
-       EXPECT_ERR(err);
-       EXPECT(reftable_writer_stats(w)->object_id_len == 16);
+       check(!err);
+       check_int(reftable_writer_stats(w)->object_id_len, ==, 16);
        reftable_writer_free(w);
        strbuf_release(&buf);
 }
 
-static void test_write_empty_key(void)
+static void t_write_empty_key(void)
 {
        struct reftable_write_options opts = { 0 };
        struct strbuf buf = STRBUF_INIT;
@@ -747,15 +746,15 @@ static void test_write_empty_key(void)
 
        reftable_writer_set_limits(w, 1, 1);
        err = reftable_writer_add_ref(w, &ref);
-       EXPECT(err == REFTABLE_API_ERROR);
+       check_int(err, ==, REFTABLE_API_ERROR);
 
        err = reftable_writer_close(w);
-       EXPECT(err == REFTABLE_EMPTY_TABLE_ERROR);
+       check_int(err, ==, REFTABLE_EMPTY_TABLE_ERROR);
        reftable_writer_free(w);
        strbuf_release(&buf);
 }
 
-static void test_write_key_order(void)
+static void t_write_key_order(void)
 {
        struct reftable_write_options opts = { 0 };
        struct strbuf buf = STRBUF_INIT;
@@ -782,15 +781,15 @@ static void test_write_key_order(void)
 
        reftable_writer_set_limits(w, 1, 1);
        err = reftable_writer_add_ref(w, &refs[0]);
-       EXPECT_ERR(err);
+       check(!err);
        err = reftable_writer_add_ref(w, &refs[1]);
-       EXPECT(err == REFTABLE_API_ERROR);
+       check_int(err, ==, REFTABLE_API_ERROR);
        reftable_writer_close(w);
        reftable_writer_free(w);
        strbuf_release(&buf);
 }
 
-static void test_write_multiple_indices(void)
+static void t_write_multiple_indices(void)
 {
        struct reftable_write_options opts = {
                .block_size = 100,
@@ -817,7 +816,7 @@ static void test_write_multiple_indices(void)
                ref.refname = buf.buf,
 
                err = reftable_writer_add_ref(writer, &ref);
-               EXPECT_ERR(err);
+               check(!err);
        }
 
        for (i = 0; i < 100; i++) {
@@ -835,7 +834,7 @@ static void test_write_multiple_indices(void)
                log.refname = buf.buf,
 
                err = reftable_writer_add_log(writer, &log);
-               EXPECT_ERR(err);
+               check(!err);
        }
 
        reftable_writer_close(writer);
@@ -845,13 +844,13 @@ static void test_write_multiple_indices(void)
         * for each of the block types.
         */
        stats = reftable_writer_stats(writer);
-       EXPECT(stats->ref_stats.index_offset > 0);
-       EXPECT(stats->obj_stats.index_offset > 0);
-       EXPECT(stats->log_stats.index_offset > 0);
+       check_int(stats->ref_stats.index_offset, >, 0);
+       check_int(stats->obj_stats.index_offset, >, 0);
+       check_int(stats->log_stats.index_offset, >, 0);
 
        block_source_from_strbuf(&source, &writer_buf);
        err = reftable_new_reader(&reader, &source, "filename");
-       EXPECT_ERR(err);
+       check(!err);
 
        /*
         * Seeking the log uses the log index now. In case there is any
@@ -859,7 +858,7 @@ static void test_write_multiple_indices(void)
         */
        reftable_reader_init_log_iterator(reader, &it);
        err = reftable_iterator_seek_log(&it, "");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_iterator_destroy(&it);
        reftable_writer_free(writer);
@@ -868,7 +867,7 @@ static void test_write_multiple_indices(void)
        strbuf_release(&buf);
 }
 
-static void test_write_multi_level_index(void)
+static void t_write_multi_level_index(void)
 {
        struct reftable_write_options opts = {
                .block_size = 100,
@@ -895,7 +894,7 @@ static void test_write_multi_level_index(void)
                ref.refname = buf.buf,
 
                err = reftable_writer_add_ref(writer, &ref);
-               EXPECT_ERR(err);
+               check(!err);
        }
        reftable_writer_close(writer);
 
@@ -904,18 +903,18 @@ static void test_write_multi_level_index(void)
         * multi-level index.
         */
        stats = reftable_writer_stats(writer);
-       EXPECT(stats->ref_stats.max_index_level == 2);
+       check_int(stats->ref_stats.max_index_level, ==, 2);
 
        block_source_from_strbuf(&source, &writer_buf);
        err = reftable_new_reader(&reader, &source, "filename");
-       EXPECT_ERR(err);
+       check(!err);
 
        /*
         * Seeking the last ref should work as expected.
         */
        reftable_reader_init_ref_iterator(reader, &it);
        err = reftable_iterator_seek_ref(&it, "refs/heads/199");
-       EXPECT_ERR(err);
+       check(!err);
 
        reftable_iterator_destroy(&it);
        reftable_writer_free(writer);
@@ -924,56 +923,57 @@ static void test_write_multi_level_index(void)
        strbuf_release(&buf);
 }
 
-static void test_corrupt_table_empty(void)
+static void t_corrupt_table_empty(void)
 {
        struct strbuf buf = STRBUF_INIT;
-       struct reftable_block_source source = { NULL };
-       struct reftable_reader rd = { NULL };
+       struct reftable_block_source source = { 0 };
+       struct reftable_reader rd = { 0 };
        int err;
 
        block_source_from_strbuf(&source, &buf);
        err = init_reader(&rd, &source, "file.log");
-       EXPECT(err == REFTABLE_FORMAT_ERROR);
+       check_int(err, ==, REFTABLE_FORMAT_ERROR);
 }
 
-static void test_corrupt_table(void)
+static void t_corrupt_table(void)
 {
        uint8_t zeros[1024] = { 0 };
        struct strbuf buf = STRBUF_INIT;
-       struct reftable_block_source source = { NULL };
-       struct reftable_reader rd = { NULL };
+       struct reftable_block_source source = { 0 };
+       struct reftable_reader rd = { 0 };
        int err;
        strbuf_add(&buf, zeros, sizeof(zeros));
 
        block_source_from_strbuf(&source, &buf);
        err = init_reader(&rd, &source, "file.log");
-       EXPECT(err == REFTABLE_FORMAT_ERROR);
+       check_int(err, ==, REFTABLE_FORMAT_ERROR);
        strbuf_release(&buf);
 }
 
-int readwrite_test_main(int argc, const char *argv[])
+int cmd_main(int argc, const char *argv[])
 {
-       RUN_TEST(test_log_zlib_corruption);
-       RUN_TEST(test_corrupt_table);
-       RUN_TEST(test_corrupt_table_empty);
-       RUN_TEST(test_log_write_read);
-       RUN_TEST(test_write_key_order);
-       RUN_TEST(test_table_read_write_seek_linear_sha256);
-       RUN_TEST(test_log_buffer_size);
-       RUN_TEST(test_table_write_small_table);
-       RUN_TEST(test_buffer);
-       RUN_TEST(test_table_read_api);
-       RUN_TEST(test_table_read_write_sequential);
-       RUN_TEST(test_table_read_write_seek_linear);
-       RUN_TEST(test_table_read_write_seek_index);
-       RUN_TEST(test_table_refs_for_no_index);
-       RUN_TEST(test_table_refs_for_obj_index);
-       RUN_TEST(test_write_empty_key);
-       RUN_TEST(test_write_empty_table);
-       RUN_TEST(test_log_overflow);
-       RUN_TEST(test_write_object_id_length);
-       RUN_TEST(test_write_object_id_min_length);
-       RUN_TEST(test_write_multiple_indices);
-       RUN_TEST(test_write_multi_level_index);
-       return 0;
+       TEST(t_buffer(), "strbuf works as blocksource");
+       TEST(t_corrupt_table(), "read-write on corrupted table");
+       TEST(t_corrupt_table_empty(), "read-write on an empty table");
+       TEST(t_log_buffer_size(), "buffer extension for log compression");
+       TEST(t_log_overflow(), "log overflow returns expected error");
+       TEST(t_log_write_read(), "read-write on log records");
+       TEST(t_log_zlib_corruption(), "reading corrupted log record returns expected error");
+       TEST(t_table_read_api(), "read on a table");
+       TEST(t_table_read_write_seek_index(), "read-write on a table with index");
+       TEST(t_table_read_write_seek_linear(), "read-write on a table without index (SHA1)");
+       TEST(t_table_read_write_seek_linear_sha256(), "read-write on a table without index (SHA256)");
+       TEST(t_table_read_write_sequential(), "sequential read-write on a table");
+       TEST(t_table_refs_for_no_index(), "refs-only table with no index");
+       TEST(t_table_refs_for_obj_index(), "refs-only table with index");
+       TEST(t_table_write_small_table(), "write_table works");
+       TEST(t_write_empty_key(), "write on refs with empty keys");
+       TEST(t_write_empty_table(), "read-write on empty tables");
+       TEST(t_write_key_order(), "refs must be written in increasing order");
+       TEST(t_write_multi_level_index(), "table with multi-level index");
+       TEST(t_write_multiple_indices(), "table with indices for multiple block types");
+       TEST(t_write_object_id_length(), "prefix compression on writing refs");
+       TEST(t_write_object_id_min_length(), "prefix compression on writing refs");
+
+       return test_done();
 }