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From "Namrata Bhave" <nbh...@us.ibm.com>
Subject Debugging test_GPHD_HA_load_nodes
Date Fri, 31 Mar 2017 09:32:58 GMT
Hi,

While further debugging the GPHD_HA_load_nodes tests mentioned below , I 
observed that the error is appearing due to "size" not getting correctly 
set in file "
https://github.com/apache/incubator-hawq/blob/master/src/backend/access/external/test/ha_config_mock.c
" in hdfsGetHANamenodes function.

Below is the code snippet where I had printed the size and found it to be 
0 for above tests instead of 1 for test_GPHD_HA_load_nodes_OneNN and 2 for 
other tests..

Namenode * hdfsGetHANamenodes(const char *nameservice, int *size)
{
        optional_assignment(size); 
        // printed the value of *size here and it always shows zero!
        return (Namenode *)mock();
}

The 'optional_assignment' is added from cmockery.h/.c files.

Anyone has faced such issue before? Any pointers would be helpful.
I could see code related to memory assignment in cmockery files.However, 
couldn't find anywhere whether cmockery is platform specific or doesn't 
support big endian/s390x.


Regards,
Namrata Bhave


-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Hi,

I am working on building and testing HAWQ on s390x platform.
I am facing below error while executing make unittest-check in 
src/backend/access/external:


[ RUN ] test_GPHD_HA_load_nodes_UnknownNameservice
[ OK ] test_GPHD_HA_load_nodes_UnknownNameservice

[ RUN ] test_GPHD_HA_load_nodes_OneNN
No entries for symbol hdfsFreeNamenodeInformation.
ERROR: ha_config_mock.c:38 - Could not get value to mock function 
hdfsFreeNamenodeInformation Previously returned mock value was declared at 
ha_config_test.c:93 [ FAILED ] test_GPHD_HA_load_nodes_OneNN

[ RUN ] test_GPHD_HA_load_nodes_RpcDelimMissing
No entries for symbol hdfsFreeNamenodeInformation.
ERROR: ha_config_mock.c:38 - Could not get value to mock function 
hdfsFreeNamenodeInformation Previously returned mock value was declared at 
ha_config_test.c:127 [ FAILED ] test_GPHD_HA_load_nodes_RpcDelimMissing

[ RUN ] test_GPHD_HA_load_nodes_PxfServicePortIsAssigned
port_to_str() has remaining non-returned values.
Remaining item(s) declared at...
ha_config_test.c:163
ha_config_test.c:168
port_to_str() has remaining non-assigned out-values.
Remaining item(s) declared at...
port:0
port_to_str. port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:164
ha_config_test.c:169
new_port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:165
ha_config_test.c:170
[ FAILED ] test_GPHD_HA_load_nodes_PxfServicePortIsAssigned

[ RUN ] test_GPHD_HA_load_nodes_HostMissing
port_to_str() has remaining non-returned values.
Remaining item(s) declared at...
ha_config_test.c:197
ha_config_test.c:202
port_to_str() has remaining non-assigned out-values.
Remaining item(s) declared at...
port:0
port_to_str. port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:198
ha_config_test.c:203
new_port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:199
ha_config_test.c:204
[ FAILED ] test_GPHD_HA_load_nodes_HostMissing

[ RUN ] test_GPHD_HA_load_nodes_PortMissing
port_to_str() has remaining non-returned values.
Remaining item(s) declared at...
ha_config_test.c:238
ha_config_test.c:242
port_to_str. port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:239
ha_config_test.c:243
new_port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:240
ha_config_test.c:244
[ FAILED ] test_GPHD_HA_load_nodes_PortMissing

[ RUN ] test_GPHD_HA_load_nodes_PortIsInvalidNumber
port_to_str() has remaining non-returned values.
Remaining item(s) declared at...
ha_config_test.c:277
ha_config_test.c:282
port_to_str() has remaining non-assigned out-values.
Remaining item(s) declared at...
port:0
port_to_str. port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:278
ha_config_test.c:283
new_port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:279
ha_config_test.c:284
[ FAILED ] test_GPHD_HA_load_nodes_PortIsInvalidNumber

[ RUN ] test_GPHD_HA_load_nodes_PortIsNotNumber_TakeOne
port_to_str() has remaining non-returned values.
Remaining item(s) declared at...
ha_config_test.c:318
ha_config_test.c:323
port_to_str() has remaining non-assigned out-values.
Remaining item(s) declared at...
port:0
port_to_str. port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:319
ha_config_test.c:324
new_port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:320
ha_config_test.c:325
[ FAILED ] test_GPHD_HA_load_nodes_PortIsNotNumber_TakeOne

[ RUN ] test_GPHD_HA_load_nodes_PortIsNotNumber_TakeTwo
port_to_str() has remaining non-returned values.
Remaining item(s) declared at...
ha_config_test.c:358
ha_config_test.c:363
port_to_str() has remaining non-assigned out-values.
Remaining item(s) declared at...
port:0
port_to_str. port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:359
ha_config_test.c:364
new_port parameter still has values that haven't been checked.
Remaining item(s) declared at...
ha_config_test.c:360
ha_config_test.c:365
[ FAILED ] test_GPHD_HA_load_nodes_PortIsNotNumber_TakeTwo

[=============] 9 tests ran
[ PASSED ] 1 tests
[ FAILED ] 8 tests, listed below
[ FAILED ] test_GPHD_HA_load_nodes_OneNN [ FAILED ] 
test_GPHD_HA_load_nodes_RpcDelimMissing
[ FAILED ] test_GPHD_HA_load_nodes_PxfServicePortIsAssigned
[ FAILED ] test_GPHD_HA_load_nodes_HostMissing
[ FAILED ] test_GPHD_HA_load_nodes_PortMissing
[ FAILED ] test_GPHD_HA_load_nodes_PortIsInvalidNumber
[ FAILED ] test_GPHD_HA_load_nodes_PortIsNotNumber_TakeOne
[ FAILED ] test_GPHD_HA_load_nodes_PortIsNotNumber_TakeTwo
make[1]: *** [ha_config-check] Error 8


While debugging test_GPHD_HA_load_nodes_OneNN, it was observed that, in 
ha_config_mock.c:hdfsGetHANamenodes, the *size / len variable is 0 on 
s390x instead of 1.
Could someone please provide some pointers in resolving the same? Is the 
code dependent on machine endianness(s390x is big endian while Intel x86 
is big endian.) ?


Regards,
Namrata Bhave


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