new trans001.py pactest

The pactest demonstrates what happens if fileconflict was found after the
removal part of a sync transaction.

Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>

pactest/tests/trans001.py

@@ -0,0 +1,20 @@
+self.description = "fileconflict error cancels the sync transaction after the removal part"
+
+sp = pmpkg("pkg1")
+sp.replaces = ["pkg3"]
+sp.files = ["dir/file"]
+self.addpkg2db("sync", sp)
+
+lp1 = pmpkg("pkg3")
+self.addpkg2db("local", lp1)
+
+lp2 = pmpkg("pkg2")
+lp2.files = ["dir/file"]
+self.addpkg2db("local", lp2)
+
+self.args = "-Su"
+
+self.addrule("PACMAN_RETCODE=1")
+self.addrule("!PKG_EXIST=pkg1")
+self.addrule("PKG_EXIST=pkg2")
+self.addrule("PKG_EXIST=pkg3")