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Commit 35e63fbb authored by Kirill Smelkov's avatar Kirill Smelkov
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parent 02292d4b
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Showing with 75 additions and 76 deletions
go/zodb/persistent_test.go
View file @ 35e63fbb
......@@ -234,8 +234,10 @@ func (t *tPersistentDB) PActivate(obj IPersistent) {
}
}
// checkObj state of obj and that it belongs to t.conn.
func (t *tPersistentDB) checkObj(obj IPersistent, oid Oid, serial Tid, state ObjectState, refcnt int32, loading *loadState) {
// checkObj checks state of obj and that obj ∈ t.conn.
//
// if object is !GHOST - it also verifies its value.
func (t *tPersistentDB) checkObj(obj *MyObject, oid Oid, serial Tid, state ObjectState, refcnt int32, valuev ...string) {
t.Helper()
// any object with live pointer to it must be also in conn's cache.
......@@ -244,7 +246,7 @@ func (t *tPersistentDB) checkObj(obj IPersistent, oid Oid, serial Tid, state Obj
t.Fatalf("cache.get %s -> not same object:\nhave: %#v\nwant: %#v", oid, connObj, oid)
}
// and conn.Get must return it
// and conn.Get must return exactly obj.
connObj, err := t.conn.Get(t.ctx, oid)
if err != nil {
t.Fatal(err)
......@@ -253,7 +255,22 @@ func (t *tPersistentDB) checkObj(obj IPersistent, oid Oid, serial Tid, state Obj
t.Fatalf("conn.get %s -> not same object:\nhave: %#v\nwant: %#v", oid, connObj, oid)
}
_checkObj(t.T, obj, t.conn, oid, serial, state, refcnt, loading)
_checkObj(t.T, obj, t.conn, oid, serial, state, refcnt, /*loading*/nil)
if state == GHOST {
if len(valuev) != 0 {
panic("t.checkObj(GHOST) must come without value")
}
return
}
if len(valuev) != 1 {
panic("t.checkObj(!GHOST) must come with one value")
}
value := valuev[0]
if obj.value != value {
t.Fatalf("obj.value mismatch: have %q; want %q", obj.value, value)
}
}
// Resync resyncs t to new transaction @at.
......@@ -345,40 +362,38 @@ func TestPersistentDB(t0 *testing.T) {
// get objects
obj1 := t.Get(101)
obj2 := t.Get(102)
t.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(obj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t.checkObj(obj2, 102, InvalidTid, GHOST, 0)
// activate: jar has to load, state changes -> uptodate
t.PActivate(obj1)
t.PActivate(obj2)
t.checkObj(obj1, 101, at1, UPTODATE, 1, nil)
t.checkObj(obj2, 102, at1, UPTODATE, 1, nil)
assert.Equal(obj1.value, "hello")
assert.Equal(obj2.value, "world")
t.checkObj(obj1, 101, at1, UPTODATE, 1, "hello")
t.checkObj(obj2, 102, at1, UPTODATE, 1, "world")
// activate again: refcnt++
t.PActivate(obj1)
t.PActivate(obj2)
t.checkObj(obj1, 101, at1, UPTODATE, 2, nil)
t.checkObj(obj2, 102, at1, UPTODATE, 2, nil)
t.checkObj(obj1, 101, at1, UPTODATE, 2, "hello")
t.checkObj(obj2, 102, at1, UPTODATE, 2, "world")
// deactivate: refcnt--
obj1.PDeactivate()
obj2.PDeactivate()
t.checkObj(obj1, 101, at1, UPTODATE, 1, nil)
t.checkObj(obj2, 102, at1, UPTODATE, 1, nil)
t.checkObj(obj1, 101, at1, UPTODATE, 1, "hello")
t.checkObj(obj2, 102, at1, UPTODATE, 1, "world")
// deactivate: state dropped for obj1, obj2 stays in live cache
obj1.PDeactivate()
obj2.PDeactivate()
t.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(obj2, 102, at1, UPTODATE, 0, nil)
t.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t.checkObj(obj2, 102, at1, UPTODATE, 0, "world")
// invalidate: obj2 state dropped
obj1.PInvalidate()
obj2.PInvalidate()
t.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(obj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t.checkObj(obj2, 102, InvalidTid, GHOST, 0)
// commit change to obj2 from external process
_obj2.value = "kitty"
......@@ -396,34 +411,30 @@ func TestPersistentDB(t0 *testing.T) {
c2obj1 := t2.Get(101)
c2obj2 := t2.Get(102)
t2.checkObj(c2obj1, 101, InvalidTid, GHOST, 0, nil)
t2.checkObj(c2obj2, 102, InvalidTid, GHOST, 0, nil)
t2.checkObj(c2obj1, 101, InvalidTid, GHOST, 0)
t2.checkObj(c2obj2, 102, InvalidTid, GHOST, 0)
t2.PActivate(c2obj1)
t2.PActivate(c2obj2)
t2.checkObj(c2obj1, 101, at1, UPTODATE, 1, nil)
t2.checkObj(c2obj2, 102, at2, UPTODATE, 1, nil)
assert.Equal(c2obj1.value, "hello")
assert.Equal(c2obj2.value, "kitty")
t2.checkObj(c2obj1, 101, at1, UPTODATE, 1, "hello")
t2.checkObj(c2obj2, 102, at2, UPTODATE, 1, "kitty")
c2obj1.PDeactivate()
c2obj2.PDeactivate()
// conn1 stays at older view for now
t1.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t1.checkObj(obj2, 102, InvalidTid, GHOST, 0, nil)
t1.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t1.checkObj(obj2, 102, InvalidTid, GHOST, 0)
t1.PActivate(obj1)
t1.PActivate(obj2)
t1.checkObj(obj1, 101, at1, UPTODATE, 1, nil)
t1.checkObj(obj2, 102, at1, UPTODATE, 1, nil)
assert.Equal(obj1.value, "hello")
assert.Equal(obj2.value, "world")
t1.checkObj(obj1, 101, at1, UPTODATE, 1, "hello")
t1.checkObj(obj2, 102, at1, UPTODATE, 1, "world")
// conn1 deactivate: obj2 stays in conn1 live cache with old state
obj1.PDeactivate()
obj2.PDeactivate()
t1.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t1.checkObj(obj2, 102, at1, UPTODATE, 0, nil)
t1.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t1.checkObj(obj2, 102, at1, UPTODATE, 0, "world")
// txn1 completes - conn1 goes back to db pool
t1.Abort()
......@@ -438,21 +449,19 @@ func TestPersistentDB(t0 *testing.T) {
assert.Equal(db.pool, []*Connection{})
// obj2 should be invalidated
t.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(obj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t.checkObj(obj2, 102, InvalidTid, GHOST, 0)
// obj2 data should be new
t.PActivate(obj1);
t.PActivate(obj2);
t.checkObj(obj1, 101, at1, UPTODATE, 1, nil)
t.checkObj(obj2, 102, at2, UPTODATE, 1, nil)
assert.Equal(obj1.value, "hello")
assert.Equal(obj2.value, "kitty")
t.checkObj(obj1, 101, at1, UPTODATE, 1, "hello")
t.checkObj(obj2, 102, at2, UPTODATE, 1, "kitty")
obj1.PDeactivate()
obj2.PDeactivate()
t.checkObj(obj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(obj2, 102, at2, UPTODATE, 0, nil)
t.checkObj(obj1, 101, InvalidTid, GHOST, 0)
t.checkObj(obj2, 102, at2, UPTODATE, 0, "kitty")
// finish tnx3 and txn2 - conn1 and conn2 go back to db pool
t.Abort()
......@@ -473,21 +482,19 @@ func TestPersistentDB(t0 *testing.T) {
// it should see latest data
robj1 := t.Get(101)
robj2 := t.Get(102)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0)
t.PActivate(robj1)
t.PActivate(robj2)
t.checkObj(robj1, 101, at1, UPTODATE, 1, nil)
t.checkObj(robj2, 102, at2, UPTODATE, 1, nil)
assert.Equal(robj1.value, "hello")
assert.Equal(robj2.value, "kitty")
t.checkObj(robj1, 101, at1, UPTODATE, 1, "hello")
t.checkObj(robj2, 102, at2, UPTODATE, 1, "kitty")
// obj2 stays in live cache
robj1.PDeactivate()
robj2.PDeactivate()
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, at2, UPTODATE, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, at2, UPTODATE, 0, "kitty")
// txn4 completes, but its conn stays out of db pool
t.Abort()
......@@ -498,21 +505,19 @@ func TestPersistentDB(t0 *testing.T) {
assert.Equal(db.pool, []*Connection{t1.conn, t2.conn})
// obj2 should be invalidated
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0)
// obj2 data should be old
t.PActivate(robj1)
t.PActivate(robj2)
t.checkObj(robj1, 101, at1, UPTODATE, 1, nil)
t.checkObj(robj2, 102, at1, UPTODATE, 1, nil)
assert.Equal(robj1.value, "hello")
assert.Equal(robj2.value, "world")
t.checkObj(robj1, 101, at1, UPTODATE, 1, "hello")
t.checkObj(robj2, 102, at1, UPTODATE, 1, "world")
robj1.PDeactivate()
robj2.PDeactivate()
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, at1, UPTODATE, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, at1, UPTODATE, 0, "world")
// Resync ↑ (at1 -> at2; within δtail coverage)
t.Abort()
......@@ -521,20 +526,18 @@ func TestPersistentDB(t0 *testing.T) {
assert.Equal(db.pool, []*Connection{t1.conn, t2.conn})
// obj2 should be invalidated
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0)
t.PActivate(robj1)
t.PActivate(robj2)
t.checkObj(robj1, 101, at1, UPTODATE, 1, nil)
t.checkObj(robj2, 102, at2, UPTODATE, 1, nil)
assert.Equal(robj1.value, "hello")
assert.Equal(robj2.value, "kitty")
t.checkObj(robj1, 101, at1, UPTODATE, 1, "hello")
t.checkObj(robj2, 102, at2, UPTODATE, 1, "kitty")
robj1.PDeactivate()
robj2.PDeactivate()
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, at2, UPTODATE, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, at2, UPTODATE, 0, "kitty")
// Resync ↓ (at1 -> at0; to outside δtail coverage)
t.Abort()
......@@ -543,20 +546,18 @@ func TestPersistentDB(t0 *testing.T) {
assert.Equal(db.pool, []*Connection{t1.conn, t2.conn})
// obj2 should be invalidated
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0)
t.PActivate(robj1)
t.PActivate(robj2)
t.checkObj(robj1, 101, at0, UPTODATE, 1, nil)
t.checkObj(robj2, 102, at0, UPTODATE, 1, nil)
assert.Equal(robj1.value, "init")
assert.Equal(robj2.value, "db")
t.checkObj(robj1, 101, at0, UPTODATE, 1, "init")
t.checkObj(robj2, 102, at0, UPTODATE, 1, "db")
robj1.PDeactivate()
robj2.PDeactivate()
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, at0, UPTODATE, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, at0, UPTODATE, 0, "db")
// Resync ↑ (at0 -> at2; from outside δtail coverage)
t.Abort()
......@@ -565,10 +566,8 @@ func TestPersistentDB(t0 *testing.T) {
assert.Equal(db.pool, []*Connection{t1.conn, t2.conn})
// obj2 should be invalidated
assert.Equal(t.conn.Cache().Get(101), robj1) // XXX is
assert.Equal(t.conn.Cache().Get(102), robj2) // XXX is
t.checkObj(robj1, 101, InvalidTid, GHOST, 0, nil)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0, nil)
t.checkObj(robj1, 101, InvalidTid, GHOST, 0)
t.checkObj(robj2, 102, InvalidTid, GHOST, 0)
......
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