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t0051: test GIT_TRACE to a windows named pipe
Create a test-tool helper to create the server side of a windows named pipe, wait for a client connection, and copy data written to the pipe to stdout. Create t0051 test to route GIT_TRACE output of a command to a named pipe using the above test-tool helper. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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1
Makefile
1
Makefile
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@ -731,6 +731,7 @@ TEST_BUILTINS_OBJS += test-submodule-config.o
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TEST_BUILTINS_OBJS += test-subprocess.o
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TEST_BUILTINS_OBJS += test-urlmatch-normalization.o
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TEST_BUILTINS_OBJS += test-wildmatch.o
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TEST_BUILTINS_OBJS += test-windows-named-pipe.o
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TEST_BUILTINS_OBJS += test-write-cache.o
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TEST_PROGRAMS_NEED_X += test-dump-fsmonitor
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@ -41,6 +41,9 @@ static struct test_cmd cmds[] = {
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{ "subprocess", cmd__subprocess },
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{ "urlmatch-normalization", cmd__urlmatch_normalization },
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{ "wildmatch", cmd__wildmatch },
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#ifdef GIT_WINDOWS_NATIVE
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{ "windows-named-pipe", cmd__windows_named_pipe },
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#endif
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{ "write-cache", cmd__write_cache },
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};
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@ -35,6 +35,9 @@ int cmd__submodule_config(int argc, const char **argv);
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int cmd__subprocess(int argc, const char **argv);
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int cmd__urlmatch_normalization(int argc, const char **argv);
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int cmd__wildmatch(int argc, const char **argv);
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#ifdef GIT_WINDOWS_NATIVE
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int cmd__windows_named_pipe(int argc, const char **argv);
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#endif
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int cmd__write_cache(int argc, const char **argv);
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#endif
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72
t/helper/test-windows-named-pipe.c
Normal file
72
t/helper/test-windows-named-pipe.c
Normal file
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@ -0,0 +1,72 @@
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#include "test-tool.h"
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#include "git-compat-util.h"
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#include "strbuf.h"
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#ifdef GIT_WINDOWS_NATIVE
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static const char *usage_string = "<pipe-filename>";
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#define TEST_BUFSIZE (4096)
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int cmd__windows_named_pipe(int argc, const char **argv)
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{
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const char *filename;
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struct strbuf pathname = STRBUF_INIT;
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int err;
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HANDLE h;
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BOOL connected;
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char buf[TEST_BUFSIZE + 1];
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if (argc < 2)
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goto print_usage;
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filename = argv[1];
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if (strchr(filename, '/') || strchr(filename, '\\'))
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goto print_usage;
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strbuf_addf(&pathname, "//./pipe/%s", filename);
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/*
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* Create a single instance of the server side of the named pipe.
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* This will allow exactly one client instance to connect to it.
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*/
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h = CreateNamedPipeA(
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pathname.buf,
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PIPE_ACCESS_INBOUND | FILE_FLAG_FIRST_PIPE_INSTANCE,
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PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT,
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PIPE_UNLIMITED_INSTANCES,
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TEST_BUFSIZE, TEST_BUFSIZE, 0, NULL);
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if (h == INVALID_HANDLE_VALUE) {
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err = err_win_to_posix(GetLastError());
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fprintf(stderr, "CreateNamedPipe failed: %s\n",
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strerror(err));
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return err;
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}
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connected = ConnectNamedPipe(h, NULL)
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? TRUE
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: (GetLastError() == ERROR_PIPE_CONNECTED);
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if (!connected) {
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err = err_win_to_posix(GetLastError());
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fprintf(stderr, "ConnectNamedPipe failed: %s\n",
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strerror(err));
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CloseHandle(h);
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return err;
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}
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while (1) {
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DWORD nbr;
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BOOL success = ReadFile(h, buf, TEST_BUFSIZE, &nbr, NULL);
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if (!success || nbr == 0)
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break;
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buf[nbr] = 0;
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write(1, buf, nbr);
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}
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DisconnectNamedPipe(h);
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CloseHandle(h);
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return 0;
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print_usage:
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fprintf(stderr, "usage: %s %s\n", argv[0], usage_string);
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return 1;
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}
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#endif
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17
t/t0051-windows-named-pipe.sh
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17
t/t0051-windows-named-pipe.sh
Executable file
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@ -0,0 +1,17 @@
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#!/bin/sh
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test_description='Windows named pipes'
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. ./test-lib.sh
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test_expect_failure MINGW 'o_append write to named pipe' '
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GIT_TRACE="$(pwd)/expect" git status >/dev/null 2>&1 &&
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{ test-tool windows-named-pipe t0051 >actual 2>&1 & } &&
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pid=$! &&
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sleep 1 &&
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GIT_TRACE=//./pipe/t0051 git status >/dev/null 2>warning &&
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wait $pid &&
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test_cmp expect actual
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'
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test_done
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