def testJoin(self):
""" The join function takes lists of items and joins them """
v = join(", ")[Person.lastFirst(all("author"))]
self._cmp(v, u"Gobry, Frédéric, Fobry, Grédéric, Dobry, Lrédéric")
v = join(", ")["a", "b", "c"]
self._cmp(v, u"a, b, c")
v = join(", ", last="; ")["a", "b", "c"]
self._cmp(v, u"a, b; c")
v = join(", ")["a", "b", "c"] + " ok"
self._cmp(v, u"a, b, c ok")
# join skip missing values
v = join(", ")[one("title"), one("journal"), one("gronf")]
self._cmp(v, u"My title")
# join fails when _no_ value is available
v = join(", ")[one("gronf"), one("regronf")]
phase2 = v(self.db)
try:
phase2(self.rec)
assert False
except DSL.Missing:
pass
# Join with a weird tag in the middle.
v = "a " + join(BR)["toto", "tutu"] + " b"
self._cmp(v, u"a toto<br>tutu b")
return
