void MyFn(create_tmp_src_dir)(SG_context * pCtx, SG_pathname ** ppPathnameTempDir)
{
// create a temp directory in the current directory to be the
// home of some userfiles.
// caller must free returned value.
SG_pathname * pPathnameTempDir = NULL;
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_cwd(pCtx,&pPathnameTempDir) );
VERIFY_ERR_CHECK( SG_fsobj__mkdir_recursive__pathname(pCtx, pPathnameTempDir) );
INFOP("mktmpdir",("Temp Src Dir is [%s]",SG_pathname__sz(pPathnameTempDir)));
*ppPathnameTempDir = pPathnameTempDir;
return;
fail:
SG_PATHNAME_NULLFREE(pCtx, pPathnameTempDir);
}
/**
* create 1 test file.
* cat it to a second file using files bound to child's STDIN and STDOUT.
* cat both files to third file using cl args for input and third bound to child's STDOUT.
* cat all 3 files using cl args to OUR STDOUT.
*/
void MyFn(test1)(SG_context * pCtx)
{
SG_exit_status exitStatusChild;
SG_file * pFileF1 = NULL;
SG_file * pFileF2 = NULL;
SG_file * pFileF3 = NULL;
SG_pathname * pPathTempDir = NULL;
SG_pathname * pPathF1 = NULL;
SG_pathname * pPathF2 = NULL;
SG_pathname * pPathF3 = NULL;
SG_exec_argvec * pArgVec = NULL;
// create a GID temp directory in the current directory.
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_cwd(pCtx,&pPathTempDir) );
VERIFY_ERR_CHECK( SG_fsobj__mkdir_recursive__pathname(pCtx,pPathTempDir) );
// create a couple of pathnames to test files in the temp directory.
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_dir(pCtx,SG_pathname__sz(pPathTempDir),&pPathF1) );
INFOP("exec",("PathF1 is %s",SG_pathname__sz(pPathF1)));
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_dir(pCtx,SG_pathname__sz(pPathTempDir),&pPathF2) );
INFOP("exec",("PathF2 is %s",SG_pathname__sz(pPathF2)));
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_dir(pCtx,SG_pathname__sz(pPathTempDir),&pPathF3) );
INFOP("exec",("PathF3 is %s",SG_pathname__sz(pPathF3)));
//////////////////////////////////////////////////////////////////
// create F1 and write some data to it.
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF1,SG_FILE_WRONLY|SG_FILE_CREATE_NEW,0644,&pFileF1) );
VERIFY_ERR_CHECK( SG_file__write(pCtx,pFileF1,
SG_pathname__length_in_bytes(pPathF1),
(SG_byte *)SG_pathname__sz(pPathF1),
NULL) );
VERIFY_ERR_CHECK( SG_file__write(pCtx,pFileF1,
1,
(SG_byte *)"\n",
NULL) );
VERIFY_ERR_CHECK( SG_file__write(pCtx,pFileF1,
SG_pathname__length_in_bytes(pPathF1),
(SG_byte *)SG_pathname__sz(pPathF1),
NULL) );
VERIFY_ERR_CHECK( SG_file__write(pCtx,pFileF1,
1,
(SG_byte *)"\n",
NULL) );
SG_FILE_NULLCLOSE(pCtx, pFileF1);
//////////////////////////////////////////////////////////////////
// re-open F1 for reading.
// create F2 as a place for STDOUT of command.
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF1,SG_FILE_RDONLY|SG_FILE_OPEN_EXISTING,0644,&pFileF1) );
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF2,SG_FILE_WRONLY|SG_FILE_CREATE_NEW, 0644,&pFileF2) );
// exec: /bin/cat <f1 >f2
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,NULL,pFileF1,pFileF2,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat <f1 >f2",("Child exit status is [%d]",exitStatusChild));
SG_FILE_NULLCLOSE(pCtx, pFileF1);
SG_FILE_NULLCLOSE(pCtx, pFileF2);
//////////////////////////////////////////////////////////////////
// let F1 and F2 be given on the command line.
// create F3 as a place for STDOUT of command.
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF3,SG_FILE_WRONLY|SG_FILE_CREATE_NEW, 0644,&pFileF3) );
// exec: /bin/cat -n f1 f2 >f3
VERIFY_ERR_CHECK( SG_exec_argvec__alloc(pCtx,&pArgVec) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,"-n") );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF1)) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF2)) );
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,pArgVec,NULL,pFileF3,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat -n f1 f2 >f3",("Child exit status is [%d]",exitStatusChild));
SG_FILE_NULLCLOSE(pCtx, pFileF3);
SG_EXEC_ARGVEC_NULLFREE(pCtx, pArgVec);
//////////////////////////////////////////////////////////////////
// exec: /bin/cat f1 f2 f3 (to our stdout)
VERIFY_ERR_CHECK( SG_exec_argvec__alloc(pCtx,&pArgVec) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF1)) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF2)) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF3)) );
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,pArgVec,NULL,NULL,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat -n f1 f2 f3",("Child exit status is [%d]",exitStatusChild));
SG_EXEC_ARGVEC_NULLFREE(pCtx, pArgVec);
//////////////////////////////////////////////////////////////////
// exec: /bin/cat f3 f2 f1 (to our stdout)
VERIFY_ERR_CHECK( SG_exec_argvec__alloc(pCtx,&pArgVec) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF3)) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF2)) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF1)) );
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,pArgVec,NULL,NULL,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat -n f3 f2 f1",("Child exit status is [%d]",exitStatusChild));
SG_EXEC_ARGVEC_NULLFREE(pCtx, pArgVec);
// fall through to common cleanup.
fail:
SG_EXEC_ARGVEC_NULLFREE(pCtx, pArgVec);
SG_PATHNAME_NULLFREE(pCtx, pPathTempDir);
SG_PATHNAME_NULLFREE(pCtx, pPathF1);
SG_PATHNAME_NULLFREE(pCtx, pPathF2);
SG_PATHNAME_NULLFREE(pCtx, pPathF3);
SG_FILE_NULLCLOSE(pCtx, pFileF1);
SG_FILE_NULLCLOSE(pCtx, pFileF2);
SG_FILE_NULLCLOSE(pCtx, pFileF3);
}
/**
* create 1 test file.
* cat it to a second file using files bound to child's STDIN and STDOUT.
* repeat using still open files.
* verify that we get an append effect.
*
* do this again using input file on the command line into a third file.
*/
void MyFn(test2)(SG_context * pCtx)
{
SG_exit_status exitStatusChild;
SG_file * pFileF1 = NULL;
SG_file * pFileF2 = NULL;
SG_file * pFileF3 = NULL;
SG_pathname * pPathTempDir = NULL;
SG_pathname * pPathF1 = NULL;
SG_pathname * pPathF2 = NULL;
SG_pathname * pPathF3 = NULL;
SG_exec_argvec * pArgVec = NULL;
SG_uint64 lenFileF1, lenFileF2, lenFileF3;
SG_uint64 posFileF1, posFileF2, posFileF3;
// create a GID temp directory in the current directory.
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_cwd(pCtx,&pPathTempDir) );
VERIFY_ERR_CHECK( SG_fsobj__mkdir_recursive__pathname(pCtx,pPathTempDir) );
// create a couple of pathnames to test files in the temp directory.
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_dir(pCtx,SG_pathname__sz(pPathTempDir),&pPathF1) );
INFOP("exec",("PathF1 is %s",SG_pathname__sz(pPathF1)));
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_dir(pCtx,SG_pathname__sz(pPathTempDir),&pPathF2) );
INFOP("exec",("PathF2 is %s",SG_pathname__sz(pPathF2)));
VERIFY_ERR_CHECK( unittest__alloc_unique_pathname_in_dir(pCtx,SG_pathname__sz(pPathTempDir),&pPathF3) );
INFOP("exec",("PathF3 is %s",SG_pathname__sz(pPathF3)));
//////////////////////////////////////////////////////////////////
// create F1 and write some data to it.
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF1,SG_FILE_WRONLY|SG_FILE_CREATE_NEW,0644,&pFileF1) );
VERIFY_ERR_CHECK( SG_file__write(pCtx,pFileF1,
SG_pathname__length_in_bytes(pPathF1),
(SG_byte *)SG_pathname__sz(pPathF1),
NULL) );
VERIFY_ERR_CHECK( SG_file__write(pCtx,pFileF1,
1,
(SG_byte *)"\n",
NULL) );
SG_FILE_NULLCLOSE(pCtx, pFileF1);
// get length of F1 as created on disk.
VERIFY_ERR_CHECK( SG_fsobj__length__pathname(pCtx,pPathF1,&lenFileF1,NULL) );
INFOP("lenCheck",("Length F1[%d]",(SG_uint32)lenFileF1));
VERIFY_COND("lenCheck",(lenFileF1 > 0));
//////////////////////////////////////////////////////////////////
// re-open F1 for reading.
// create F2 as a place for STDOUT of command.
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF1,SG_FILE_RDONLY|SG_FILE_OPEN_EXISTING,0644,&pFileF1) );
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF2,SG_FILE_WRONLY|SG_FILE_CREATE_NEW, 0644,&pFileF2) );
// exec: "/bin/cat <f1 >f2" three times holding the file handles open between runs.
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,NULL,pFileF1,pFileF2,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat <f1 >f2",("Child exit status is [%d]",exitStatusChild));
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF1,&posFileF1) );
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF2,&posFileF2) );
INFOP("tell",("Position F1[%d] Position F2[%d]",(SG_uint32)posFileF1,(SG_uint32)posFileF2));
VERIFY_COND("tell",(posFileF1 == lenFileF1)); // child has dup'd version of handles and so we share seek positions.
VERIFY_COND("tell",(posFileF2 == posFileF1)); // so, the child should have caused our position to change.
VERIFY_ERR_CHECK( SG_file__seek(pCtx,pFileF1,0) );
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,NULL,pFileF1,pFileF2,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat <f1 >f2",("Child exit status is [%d]",exitStatusChild));
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF1,&posFileF1) );
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF2,&posFileF2) );
INFOP("tell",("Position F1[%d] Position F2[%d]",(SG_uint32)posFileF1,(SG_uint32)posFileF2));
VERIFY_COND("tell",(posFileF1 == lenFileF1)); // child has dup'd version of handles and so we share seek positions.
VERIFY_COND("tell",(posFileF2 == 2*posFileF1)); // so, the child should have caused our position to change.
VERIFY_ERR_CHECK( SG_file__seek(pCtx,pFileF1,0) );
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,NULL,pFileF1,pFileF2,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat <f1 >f2",("Child exit status is [%d]",exitStatusChild));
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF1,&posFileF1) );
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF2,&posFileF2) );
INFOP("tell",("Position F1[%d] Position F2[%d]",(SG_uint32)posFileF1,(SG_uint32)posFileF2));
VERIFY_COND("tell",(posFileF1 == lenFileF1)); // child has dup'd version of handles and so we share seek positions.
VERIFY_COND("tell",(posFileF2 == 3*posFileF1)); // so, the child should have caused our position to change.
SG_FILE_NULLCLOSE(pCtx, pFileF1);
SG_FILE_NULLCLOSE(pCtx, pFileF2);
// get length of F2 and see how it compares with F1.
VERIFY_ERR_CHECK( SG_fsobj__length__pathname(pCtx,pPathF2,&lenFileF2,NULL) );
INFOP("lenCheck",("Length F1[%d] Length F2[%d]",(SG_uint32)lenFileF1,(SG_uint32)lenFileF2));
VERIFY_COND("lenCheck",(lenFileF2 == 3*lenFileF1));
//////////////////////////////////////////////////////////////////
// let F1 be given on the command line.
// create F3 as a place for STDOUT of command.
VERIFY_ERR_CHECK( SG_file__open__pathname(pCtx,pPathF3,SG_FILE_WRONLY|SG_FILE_CREATE_NEW, 0644,&pFileF3) );
// exec: "/bin/cat f1 >f3" three times holding F3 open between runs.
VERIFY_ERR_CHECK( SG_exec_argvec__alloc(pCtx,&pArgVec) );
VERIFY_ERR_CHECK( SG_exec_argvec__append__sz(pCtx,pArgVec,SG_pathname__sz(pPathF1)) );
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,pArgVec,NULL,pFileF3,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat f1 >f3",("Child exit status is [%d]",exitStatusChild));
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF3,&posFileF3) );
INFOP("tell",("Position F3[%d]",(SG_uint32)posFileF3));
VERIFY_COND("tell",(posFileF3 == lenFileF1));
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,pArgVec,NULL,pFileF3,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat f1 >f3",("Child exit status is [%d]",exitStatusChild));
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF3,&posFileF3) );
INFOP("tell",("Position F3[%d]",(SG_uint32)posFileF3));
VERIFY_COND("tell",(posFileF3 == 2*lenFileF1));
VERIFY_ERR_CHECK( SG_exec__exec_sync__files(pCtx,MY_CAT_COMMAND,pArgVec,NULL,pFileF3,NULL,&exitStatusChild) );
VERIFY_COND("child status",(exitStatusChild == 0));
INFOP("/bin/cat f1 >f3",("Child exit status is [%d]",exitStatusChild));
VERIFY_ERR_CHECK( SG_file__tell(pCtx,pFileF3,&posFileF3) );
INFOP("tell",("Position F3[%d]",(SG_uint32)posFileF3));
VERIFY_COND("tell",(posFileF3 == 3*lenFileF1));
SG_FILE_NULLCLOSE(pCtx, pFileF3);
// get length of F3 and see how it compares with F1.
VERIFY_ERR_CHECK( SG_fsobj__length__pathname(pCtx,pPathF3,&lenFileF3,NULL) );
INFOP("lenCheck",("Length F1[%d] Length F3[%d]",(SG_uint32)lenFileF1,(SG_uint32)lenFileF3));
VERIFY_COND("tell",(lenFileF3 == 3*lenFileF1));
//////////////////////////////////////////////////////////////////
// fall through to common cleanup.
fail:
SG_EXEC_ARGVEC_NULLFREE(pCtx, pArgVec);
SG_PATHNAME_NULLFREE(pCtx, pPathTempDir);
SG_PATHNAME_NULLFREE(pCtx, pPathF1);
SG_PATHNAME_NULLFREE(pCtx, pPathF2);
SG_PATHNAME_NULLFREE(pCtx, pPathF3);
SG_FILE_NULLCLOSE(pCtx, pFileF1);
SG_FILE_NULLCLOSE(pCtx, pFileF2);
SG_FILE_NULLCLOSE(pCtx, pFileF3);
}
