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-rw-r--r--t/helper/test-date.c4
-rw-r--r--t/helper/test-parse-options.c8
-rw-r--r--t/helper/test-prio-queue.c2
-rw-r--r--t/helper/test-read-cache.c24
-rw-r--r--t/helper/test-serve-v2.c31
-rw-r--r--t/helper/test-tool.c24
-rw-r--r--t/helper/test-tool.h2
-rw-r--r--t/helper/test-trace2.c273
8 files changed, 363 insertions, 5 deletions
diff --git a/t/helper/test-date.c b/t/helper/test-date.c
index b3253803ac..585347ea48 100644
--- a/t/helper/test-date.c
+++ b/t/helper/test-date.c
@@ -55,7 +55,7 @@ static void show_dates(const char **argv, const char *format)
}
}
-static void parse_dates(const char **argv, struct timeval *now)
+static void parse_dates(const char **argv)
{
struct strbuf result = STRBUF_INIT;
@@ -124,7 +124,7 @@ int cmd__date(int argc, const char **argv)
else if (skip_prefix(*argv, "show:", &x))
show_dates(argv+1, x);
else if (!strcmp(*argv, "parse"))
- parse_dates(argv+1, &now);
+ parse_dates(argv+1);
else if (!strcmp(*argv, "approxidate"))
parse_approxidate(argv+1, &now);
else if (!strcmp(*argv, "timestamp"))
diff --git a/t/helper/test-parse-options.c b/t/helper/test-parse-options.c
index 47fee660b8..af82db06ac 100644
--- a/t/helper/test-parse-options.c
+++ b/t/helper/test-parse-options.c
@@ -2,6 +2,7 @@
#include "cache.h"
#include "parse-options.h"
#include "string-list.h"
+#include "trace2.h"
static int boolean = 0;
static int integer = 0;
@@ -131,7 +132,7 @@ int cmd__parse_options(int argc, const char **argv)
OPT_NOOP_NOARG(0, "obsolete"),
OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
OPT_GROUP("Magic arguments"),
- OPT_ARGUMENT("quux", "means --quux"),
+ OPT_ARGUMENT("quux", NULL, "means --quux"),
OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
number_callback),
{ OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
@@ -148,11 +149,16 @@ int cmd__parse_options(int argc, const char **argv)
OPT_CALLBACK(0, "expect", &expect, "string",
"expected output in the variable dump",
collect_expect),
+ OPT_GROUP("Alias"),
+ OPT_STRING('A', "alias-source", &string, "string", "get a string"),
+ OPT_ALIAS('Z', "alias-target", "alias-source"),
OPT_END(),
};
int i;
int ret = 0;
+ trace2_cmd_name("_parse_");
+
argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
if (length_cb.called) {
diff --git a/t/helper/test-prio-queue.c b/t/helper/test-prio-queue.c
index 5bc9c46ea5..f4028442e3 100644
--- a/t/helper/test-prio-queue.c
+++ b/t/helper/test-prio-queue.c
@@ -40,7 +40,7 @@ int cmd__prio_queue(int argc, const char **argv)
} else if (!strcmp(*argv, "stack")) {
pq.compare = NULL;
} else {
- int *v = malloc(sizeof(*v));
+ int *v = xmalloc(sizeof(*v));
*v = atoi(*argv);
prio_queue_put(&pq, v);
}
diff --git a/t/helper/test-read-cache.c b/t/helper/test-read-cache.c
index d674c88ba0..7e79b555de 100644
--- a/t/helper/test-read-cache.c
+++ b/t/helper/test-read-cache.c
@@ -1,14 +1,36 @@
#include "test-tool.h"
#include "cache.h"
+#include "config.h"
int cmd__read_cache(int argc, const char **argv)
{
- int i, cnt = 1;
+ int i, cnt = 1, namelen;
+ const char *name = NULL;
+
+ if (argc > 1 && skip_prefix(argv[1], "--print-and-refresh=", &name)) {
+ namelen = strlen(name);
+ argc--;
+ argv++;
+ }
+
if (argc == 2)
cnt = strtol(argv[1], NULL, 0);
setup_git_directory();
+ git_config(git_default_config, NULL);
for (i = 0; i < cnt; i++) {
read_cache();
+ if (name) {
+ int pos;
+
+ refresh_index(&the_index, REFRESH_QUIET,
+ NULL, NULL, NULL);
+ pos = index_name_pos(&the_index, name, namelen);
+ if (pos < 0)
+ die("%s not in index", name);
+ printf("%s is%s up to date\n", name,
+ ce_uptodate(the_index.cache[pos]) ? "" : " not");
+ write_file(name, "%d\n", i);
+ }
discard_cache();
}
return 0;
diff --git a/t/helper/test-serve-v2.c b/t/helper/test-serve-v2.c
new file mode 100644
index 0000000000..aee35e5aef
--- /dev/null
+++ b/t/helper/test-serve-v2.c
@@ -0,0 +1,31 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "parse-options.h"
+#include "serve.h"
+
+static char const * const serve_usage[] = {
+ N_("test-tool serve-v2 [<options>]"),
+ NULL
+};
+
+int cmd__serve_v2(int argc, const char **argv)
+{
+ struct serve_options opts = SERVE_OPTIONS_INIT;
+
+ struct option options[] = {
+ OPT_BOOL(0, "stateless-rpc", &opts.stateless_rpc,
+ N_("quit after a single request/response exchange")),
+ OPT_BOOL(0, "advertise-capabilities", &opts.advertise_capabilities,
+ N_("exit immediately after advertising capabilities")),
+ OPT_END()
+ };
+ const char *prefix = setup_git_directory();
+
+ /* ignore all unknown cmdline switches for now */
+ argc = parse_options(argc, argv, prefix, options, serve_usage,
+ PARSE_OPT_KEEP_DASHDASH |
+ PARSE_OPT_KEEP_UNKNOWN);
+ serve(&opts);
+
+ return 0;
+}
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index 99db7409b8..087a8c0cc9 100644
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -1,5 +1,12 @@
#include "git-compat-util.h"
#include "test-tool.h"
+#include "trace2.h"
+#include "parse-options.h"
+
+static const char * const test_tool_usage[] = {
+ "test-tool [-C <directory>] <command [<arguments>...]]",
+ NULL
+};
struct test_cmd {
const char *name;
@@ -42,6 +49,7 @@ static struct test_cmd cmds[] = {
{ "revision-walking", cmd__revision_walking },
{ "run-command", cmd__run_command },
{ "scrap-cache-tree", cmd__scrap_cache_tree },
+ { "serve-v2", cmd__serve_v2 },
{ "sha1", cmd__sha1 },
{ "sha1-array", cmd__sha1_array },
{ "sha256", cmd__sha256 },
@@ -51,6 +59,7 @@ static struct test_cmd cmds[] = {
{ "submodule-config", cmd__submodule_config },
{ "submodule-nested-repo-config", cmd__submodule_nested_repo_config },
{ "subprocess", cmd__subprocess },
+ { "trace2", cmd__trace2 },
{ "urlmatch-normalization", cmd__urlmatch_normalization },
{ "xml-encode", cmd__xml_encode },
{ "wildmatch", cmd__wildmatch },
@@ -73,15 +82,30 @@ static NORETURN void die_usage(void)
int cmd_main(int argc, const char **argv)
{
int i;
+ const char *working_directory = NULL;
+ struct option options[] = {
+ OPT_STRING('C', NULL, &working_directory, "directory",
+ "change the working directory"),
+ OPT_END()
+ };
BUG_exit_code = 99;
+ argc = parse_options(argc, argv, NULL, options, test_tool_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION |
+ PARSE_OPT_KEEP_ARGV0);
+
if (argc < 2)
die_usage();
+ if (working_directory && chdir(working_directory) < 0)
+ die("Could not cd to '%s'", working_directory);
+
for (i = 0; i < ARRAY_SIZE(cmds); i++) {
if (!strcmp(cmds[i].name, argv[1])) {
argv++;
argc--;
+ trace2_cmd_name(cmds[i].name);
+ trace2_cmd_list_config();
return cmds[i].fn(argc, argv);
}
}
diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h
index 25abed1cf2..7e703f3038 100644
--- a/t/helper/test-tool.h
+++ b/t/helper/test-tool.h
@@ -39,6 +39,7 @@ int cmd__repository(int argc, const char **argv);
int cmd__revision_walking(int argc, const char **argv);
int cmd__run_command(int argc, const char **argv);
int cmd__scrap_cache_tree(int argc, const char **argv);
+int cmd__serve_v2(int argc, const char **argv);
int cmd__sha1(int argc, const char **argv);
int cmd__sha1_array(int argc, const char **argv);
int cmd__sha256(int argc, const char **argv);
@@ -48,6 +49,7 @@ int cmd__string_list(int argc, const char **argv);
int cmd__submodule_config(int argc, const char **argv);
int cmd__submodule_nested_repo_config(int argc, const char **argv);
int cmd__subprocess(int argc, const char **argv);
+int cmd__trace2(int argc, const char **argv);
int cmd__urlmatch_normalization(int argc, const char **argv);
int cmd__xml_encode(int argc, const char **argv);
int cmd__wildmatch(int argc, const char **argv);
diff --git a/t/helper/test-trace2.c b/t/helper/test-trace2.c
new file mode 100644
index 0000000000..197819c872
--- /dev/null
+++ b/t/helper/test-trace2.c
@@ -0,0 +1,273 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "argv-array.h"
+#include "run-command.h"
+#include "exec-cmd.h"
+#include "config.h"
+
+typedef int(fn_unit_test)(int argc, const char **argv);
+
+struct unit_test {
+ fn_unit_test *ut_fn;
+ const char *ut_name;
+ const char *ut_usage;
+};
+
+#define MyOk 0
+#define MyError 1
+
+static int get_i(int *p_value, const char *data)
+{
+ char *endptr;
+
+ if (!data || !*data)
+ return MyError;
+
+ *p_value = strtol(data, &endptr, 10);
+ if (*endptr || errno == ERANGE)
+ return MyError;
+
+ return MyOk;
+}
+
+/*
+ * Cause process to exit with the requested value via "return".
+ *
+ * Rely on test-tool.c:cmd_main() to call trace2_cmd_exit()
+ * with our result.
+ *
+ * Test harness can confirm:
+ * [] the process-exit value.
+ * [] the "code" field in the "exit" trace2 event.
+ * [] the "code" field in the "atexit" trace2 event.
+ * [] the "name" field in the "cmd_name" trace2 event.
+ * [] "def_param" events for all of the "interesting" pre-defined
+ * config settings.
+ */
+static int ut_001return(int argc, const char **argv)
+{
+ int rc;
+
+ if (get_i(&rc, argv[0]))
+ die("expect <exit_code>");
+
+ return rc;
+}
+
+/*
+ * Cause the process to exit with the requested value via "exit()".
+ *
+ * Test harness can confirm:
+ * [] the "code" field in the "exit" trace2 event.
+ * [] the "code" field in the "atexit" trace2 event.
+ * [] the "name" field in the "cmd_name" trace2 event.
+ * [] "def_param" events for all of the "interesting" pre-defined
+ * config settings.
+ */
+static int ut_002exit(int argc, const char **argv)
+{
+ int rc;
+
+ if (get_i(&rc, argv[0]))
+ die("expect <exit_code>");
+
+ exit(rc);
+}
+
+/*
+ * Send an "error" event with each value in argv. Normally, git only issues
+ * a single "error" event immediately before issuing an "exit" event (such
+ * as in die() or BUG()), but multiple "error" events are allowed.
+ *
+ * Test harness can confirm:
+ * [] a trace2 "error" event for each value in argv.
+ * [] the "name" field in the "cmd_name" trace2 event.
+ * [] (optional) the file:line in the "exit" event refers to this function.
+ */
+static int ut_003error(int argc, const char **argv)
+{
+ int k;
+
+ if (!argv[0] || !*argv[0])
+ die("expect <error_message>");
+
+ for (k = 0; k < argc; k++)
+ error("%s", argv[k]);
+
+ return 0;
+}
+
+/*
+ * Run a child process and wait for it to finish and exit with its return code.
+ * test-tool trace2 004child [<child-command-line>]
+ *
+ * For example:
+ * test-tool trace2 004child git version
+ * test-tool trace2 004child test-tool trace2 001return 0
+ * test-tool trace2 004child test-tool trace2 004child test-tool trace2 004child
+ * test-tool trace2 004child git -c alias.xyz=version xyz
+ *
+ * Test harness can confirm:
+ * [] the "name" field in the "cmd_name" trace2 event.
+ * [] that the outer process has a single component SID (or depth "d0" in
+ * the PERF stream).
+ * [] that "child_start" and "child_exit" events are generated for the child.
+ * [] if the child process is an instrumented executable:
+ * [] that "version", "start", ..., "exit", and "atexit" events are
+ * generated by the child process.
+ * [] that the child process events have a multiple component SID (or
+ * depth "dN+1" in the PERF stream).
+ * [] that the child exit code is propagated to the parent process "exit"
+ * and "atexit" events..
+ * [] (optional) that the "t_abs" field in the child process "atexit" event
+ * is less than the "t_rel" field in the "child_exit" event of the parent
+ * process.
+ * [] if the child process is like the alias example above,
+ * [] (optional) the child process attempts to run "git-xyx" as a dashed
+ * command.
+ * [] the child process emits an "alias" event with "xyz" => "version"
+ * [] the child process runs "git version" as a child process.
+ * [] the child process has a 3 component SID (or depth "d2" in the PERF
+ * stream).
+ */
+static int ut_004child(int argc, const char **argv)
+{
+ int result;
+
+ /*
+ * Allow empty <child_command_line> so we can do arbitrarily deep
+ * command nesting and let the last one be null.
+ */
+ if (!argc)
+ return 0;
+
+ result = run_command_v_opt(argv, 0);
+ exit(result);
+}
+
+/*
+ * Exec a git command. This may either create a child process (Windows)
+ * or replace the existing process.
+ * test-tool trace2 005exec <git_command_args>
+ *
+ * For example:
+ * test-tool trace2 005exec version
+ *
+ * Test harness can confirm (on Windows):
+ * [] the "name" field in the "cmd_name" trace2 event.
+ * [] that the outer process has a single component SID (or depth "d0" in
+ * the PERF stream).
+ * [] that "exec" and "exec_result" events are generated for the child
+ * process (since the Windows compatibility layer fakes an exec() with
+ * a CreateProcess(), WaitForSingleObject(), and exit()).
+ * [] that the child process has multiple component SID (or depth "dN+1"
+ * in the PERF stream).
+ *
+ * Test harness can confirm (on platforms with a real exec() function):
+ * [] TODO talk about process replacement and how it affects SID.
+ */
+static int ut_005exec(int argc, const char **argv)
+{
+ int result;
+
+ if (!argc)
+ return 0;
+
+ result = execv_git_cmd(argv);
+ return result;
+}
+
+static int ut_006data(int argc, const char **argv)
+{
+ const char *usage_error =
+ "expect <cat0> <k0> <v0> [<cat1> <k1> <v1> [...]]";
+
+ if (argc % 3 != 0)
+ die("%s", usage_error);
+
+ while (argc) {
+ if (!argv[0] || !*argv[0] || !argv[1] || !*argv[1] ||
+ !argv[2] || !*argv[2])
+ die("%s", usage_error);
+
+ trace2_data_string(argv[0], the_repository, argv[1], argv[2]);
+ argv += 3;
+ argc -= 3;
+ }
+
+ return 0;
+}
+
+/*
+ * Usage:
+ * test-tool trace2 <ut_name_1> <ut_usage_1>
+ * test-tool trace2 <ut_name_2> <ut_usage_2>
+ * ...
+ */
+#define USAGE_PREFIX "test-tool trace2"
+
+/* clang-format off */
+static struct unit_test ut_table[] = {
+ { ut_001return, "001return", "<exit_code>" },
+ { ut_002exit, "002exit", "<exit_code>" },
+ { ut_003error, "003error", "<error_message>+" },
+ { ut_004child, "004child", "[<child_command_line>]" },
+ { ut_005exec, "005exec", "<git_command_args>" },
+ { ut_006data, "006data", "[<category> <key> <value>]+" },
+};
+/* clang-format on */
+
+/* clang-format off */
+#define for_each_ut(k, ut_k) \
+ for (k = 0, ut_k = &ut_table[k]; \
+ k < ARRAY_SIZE(ut_table); \
+ k++, ut_k = &ut_table[k])
+/* clang-format on */
+
+static int print_usage(void)
+{
+ int k;
+ struct unit_test *ut_k;
+
+ fprintf(stderr, "usage:\n");
+ for_each_ut (k, ut_k)
+ fprintf(stderr, "\t%s %s %s\n", USAGE_PREFIX, ut_k->ut_name,
+ ut_k->ut_usage);
+
+ return 129;
+}
+
+/*
+ * Issue various trace2 events for testing.
+ *
+ * We assume that these trace2 routines has already been called:
+ * [] trace2_initialize() [common-main.c:main()]
+ * [] trace2_cmd_start() [common-main.c:main()]
+ * [] trace2_cmd_name() [test-tool.c:cmd_main()]
+ * [] tracd2_cmd_list_config() [test-tool.c:cmd_main()]
+ * So that:
+ * [] the various trace2 streams are open.
+ * [] the process SID has been created.
+ * [] the "version" event has been generated.
+ * [] the "start" event has been generated.
+ * [] the "cmd_name" event has been generated.
+ * [] this writes various "def_param" events for interesting config values.
+ *
+ * We further assume that if we return (rather than exit()), trace2_cmd_exit()
+ * will be called by test-tool.c:cmd_main().
+ */
+int cmd__trace2(int argc, const char **argv)
+{
+ int k;
+ struct unit_test *ut_k;
+
+ argc--; /* skip over "trace2" arg */
+ argv++;
+
+ if (argc)
+ for_each_ut (k, ut_k)
+ if (!strcmp(argv[0], ut_k->ut_name))
+ return ut_k->ut_fn(argc - 1, argv + 1);
+
+ return print_usage();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 19:37:52 +0000