stasis-aries-wal/test/stasis/check_recovery.c

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---*/
#include <config.h>
#include <check.h>
#include <assert.h> 

#include <stasis/transactional.h>
#include <stasis/logger/logger2.h>
#include <stasis/truncation.h>
#include "../../src/stasis/logger/logWriter.h"
#include "../check_includes.h"

#define LOG_NAME   "check_recovery.log"

/** 
    @test
    Simple test: Insert some stuff.  Commit.  Call Tdeinit().  Call
    Tinit() (Which initiates recovery), and see if the stuff we
    inserted is still there.

    Only performs idempotent operations (Tset).
*/
START_TEST (recovery_idempotent) {
  int xid; 
  int j;
  int k;
  recordid rid;
  Tinit();
  xid = Tbegin();
  
  rid = Talloc(xid, sizeof(int));

  j = 1;

  Tset(xid, rid, &j);
 
  Tcommit(xid);

  xid = Tbegin();

  Tread(xid, rid, &k);
  
  fail_unless(j == k, "Get/Set broken?");

  Tcommit(xid);
  
  Tdeinit();

  Tinit();  /* Runs recovery.. */

  k = 12312;

  xid = Tbegin(); 

  Tread(xid, rid, &k);

  fail_unless(j == k, "Recovery messed something up!");

  Tcommit(xid);

  Tdeinit();

}
END_TEST

/** 
    @test
    Simple test: Alloc a record, commit.  Call Tincrement on it, and
    remember its value and commit.  Then, call Tdeinit() and Tinit()
    (Which initiates recovery), and see if the value changes. 
*/
START_TEST (recovery_exactlyOnce) {
  
  int xid; 
  int j;
  int k;
  recordid rid;
  Tinit();
  xid = Tbegin();
  
  rid = Talloc(xid, sizeof(int));

  Tincrement(xid, rid);

  Tread(xid, rid, &j);
 
  Tcommit(xid);

  xid = Tbegin();

  Tread(xid, rid, &k);
  
  fail_unless(j == k, "Get/Set broken?");

  Tcommit(xid);
  
  Tdeinit();

  Tinit();  /* Runs recovery.. */

  k = 12312;

  xid = Tbegin(); 

  Tread(xid, rid, &k);

  printf("j = %d, k = %d\n", j, k);

  assert(j == k);
  fail_unless(j == k, "Recovery messed something up!");

  Tcommit(xid);

  Tdeinit();



}
END_TEST


/** 
    @test
    Makes sure that aborted idempotent operations are correctly undone.
*/
START_TEST (recovery_idempotentAbort) {
  
  int xid; 
  int j;
  int k;
  recordid rid;
  Tinit();
  xid = Tbegin();
  
  rid = Talloc(xid, sizeof(int));
  j = 1;
  Tset(xid, rid, &j);

  Tread(xid, rid, &j);
 
  Tcommit(xid);

  xid = Tbegin();

  Tread(xid, rid, &k);
  
  fail_unless(j == k, "Get/Set broken?");

  Tcommit(xid);
  xid = Tbegin();
  k = 2;
  Tset(xid, rid, &k);
  k = 4;
  Tread(xid, rid, &k);
  fail_unless(k == 2, NULL);
  Tabort(xid);

  xid = Tbegin();
  k = 4;
  Tread(xid, rid, &k);

  Tabort(xid);

  fail_unless(j == k, "Didn't abort!");

  Tdeinit();

  Tinit();  /* Runs recovery.. */

  k = 12312;

  xid = Tbegin(); 

  Tread(xid, rid, &k);

  fail_unless(j == k, "Recovery messed something up!");

  Tcommit(xid);

  Tdeinit();

}
END_TEST


/** 
    @test
    Makes sure that aborted idempotent operations are correctly undone.
*/
START_TEST (recovery_exactlyOnceAbort) {
  
  int xid; 
  int j;
  int k;
  recordid rid;
  Tinit();
  xid = Tbegin();
  
  rid = Talloc(xid, sizeof(int));
  j = 1;
  Tincrement(xid, rid);

  Tread(xid, rid, &j);
 
  Tcommit(xid);

  xid = Tbegin();

  Tincrement(xid, rid);
  Tread(xid, rid, &k);
  fail_unless(j == k-1, NULL);
  Tabort(xid);
  xid = Tbegin();
  Tread(xid, rid, &k);
  fail_unless(j == k, "didn't abort?");
  Tcommit(xid);

  Tdeinit();
  Tinit();

  xid = Tbegin();

  Tread(xid, rid, &k);
  fail_unless(j == k, "Recovery didn't abort correctly");
  Tcommit(xid);
  Tdeinit();

}
END_TEST

/**
   @test 
   Check the CLR mechanism with an aborted logical operation, and multipl Tinit()/Tdeinit() cycles.
*/
START_TEST(recovery_clr) {
  recordid rid;
  int xid;
  int j;
  int k;

  DEBUG("\n\nStart CLR test\n\n");

  Tinit();
  
  xid = Tbegin();

  rid = Talloc(xid, sizeof(int));
	       
  Tread(xid, rid, &j);

  Tcommit(xid);
  xid = Tbegin();

  Tincrement(xid, rid);

  Tabort(xid); 
  
  xid = Tbegin(); 
  
  Tread(xid, rid, &k);
  
  Tcommit(xid);
  
  fail_unless(j == k, NULL); 

  Tdeinit(); 


  Tinit();
  Tdeinit();

  Tinit();

  xid = Tbegin();

  Tread(xid, rid, &k);

  Tcommit(xid);

  fail_unless(j == k, NULL);

  Tdeinit();
  Tinit();

  xid = Tbegin();

  Tread(xid, rid, &k);

  Tcommit(xid);

  fail_unless(j == k, NULL);

  Tdeinit();


} END_TEST

extern int numActiveXactions;
/** 
    @test

    Tests the undo phase of recovery by simulating a crash, and calling Tinit(). */
START_TEST(recovery_crash) {
  int xid;
  recordid rid;
  int j;

  Tinit();
  
  xid = Tbegin();
  rid = Talloc(xid, sizeof(int));

  j = 0;

  Tset(xid, rid, &j);

  Tincrement(xid, rid);
  Tincrement(xid, rid);
  Tincrement(xid, rid);

  Tincrement(xid, rid);
  Tincrement(xid, rid);
  Tincrement(xid, rid);

  Tincrement(xid, rid);
  Tincrement(xid, rid);
  Tincrement(xid, rid);
  
  /* RID = 9. */

  Tread(xid, rid, &j);
  fail_unless(j == 9, "Increment not working?");


  Tcommit(xid);
  xid = Tbegin();
  
  Tdecrement(xid, rid);
  Tdecrement(xid, rid);
  Tdecrement(xid, rid);

  /* RID = 6. */

  Tread(xid, rid, &j);
  fail_unless(j == 6, "Decrement not working?");

  TuncleanShutdown();

  Tinit();

  Tread(xid, rid, &j);

  fail_unless(j == 9, "Recovery didn't roll back in-progress xact!");

  Tdeinit();
  Tinit();

  Tread(xid, rid, &j);

  fail_unless(j == 9, "Recovery failed on second re-open.");

  Tdeinit();

} END_TEST
/**
   @test
   
   Tests recovery when more than one transaction is in progress at the time of the crash.
*/
START_TEST (recovery_multiple_xacts) {
  int xid1, xid2, xid3, xid4;
  recordid rid1, rid2, rid3, rid4;
  int j1, j2, j3, j4, k;
  Tinit();
  j1 = 1;
  j2 = 2; 
  j3 = 4;
  j4 = 3;
  xid1 = Tbegin();
  rid1 = Talloc(xid1, sizeof(int));

  xid2 = Tbegin();

  xid3 = Tbegin();

  Tset(xid1, rid1, &j1);
  
  rid2 = Talloc(xid2, sizeof(int));
  rid3 = Talloc(xid3, sizeof(int));
  Tread(xid3, rid3, &k);
  
  Tset(xid3, rid3, &j3);

  Tcommit(xid3);
  xid3 = Tbegin();
  
  Tincrement(xid3, rid3);
  Tset(xid2, rid2, &j2);
  Tcommit(xid1);
  

  xid4 = Tbegin();
  Tcommit(xid2);
  
  rid4 = Talloc(xid4, sizeof(int));
  Tset(xid4, rid4, &j4);
  Tincrement(xid4, rid4);
  Tcommit(xid4);

  xid1 = Tbegin();
  k = 100000;
  Tset(xid1, rid1,&k);
  xid2 = Tbegin();
  Tdecrement(xid2, rid2);

  Tdecrement(xid2, rid2);
  Tdecrement(xid2, rid2);
  Tdecrement(xid2, rid2);
  Tdecrement(xid2, rid2);
  Tincrement(xid1, rid1);
  Tset(xid1, rid1,&k);
  
  TuncleanShutdown();

  Tinit();
  Tdeinit();

  Tinit();
  xid1 = Tbegin();
  xid2 = Tbegin();
  xid3 = Tbegin();
  xid4 = Tbegin();

  Tread(xid1, rid1, &j1);
  Tread(xid2, rid2, &j2);
  Tread(xid3, rid3, &j3);
  Tread(xid4, rid4, &j4);

  fail_unless(j1 == 1, NULL);
  fail_unless(j2 == 2, NULL);
  fail_unless(j3 == 4, NULL);
  fail_unless(j4 == 4, NULL);
  assert(j4 == 4);
  Tdeinit();
} END_TEST


/** 
  Add suite declarations here
*/
Suite * check_suite(void) {
  Suite *s = suite_create("recovery_suite");
  /* Begin a new test */
  TCase *tc = tcase_create("recovery");

  tcase_set_timeout(tc, 0); // disable timeouts

  if(LOG_TO_MEMORY != loggerType) { 
    
    /* Sub tests are added, one per line, here */
    tcase_add_test(tc, recovery_idempotent);
    tcase_add_test(tc, recovery_exactlyOnce);
    
    tcase_add_test(tc, recovery_idempotentAbort);
    tcase_add_test(tc, recovery_exactlyOnceAbort);
    
    tcase_add_test(tc, recovery_clr);
    tcase_add_test(tc, recovery_crash);
    tcase_add_test(tc, recovery_multiple_xacts);
  }
  /* --------------------------------------------- */
  tcase_add_checked_fixture(tc, setup, teardown);
  suite_add_tcase(s, tc);

  return s;
}

#include "../check_setup.h"