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Kirill Smelkov
BTrees
Commits
d78f5314
Commit
d78f5314
authored
Dec 04, 2012
by
Tres Seaver
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Coverage for BTrees._base.weightedUnion.
parent
8da9003b
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BTrees/tests/test__base.py
BTrees/tests/test__base.py
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BTrees/tests/test__base.py
View file @
d78f5314
...
...
@@ -2580,6 +2580,55 @@ class Test_intersection(unittest.TestCase, _SetObBase):
self
.
assertEqual
(
list
(
result
),
[
'c'
])
class
Test_weightedUnion
(
unittest
.
TestCase
,
_SetObBase
):
def
_callFUT
(
self
,
*
args
,
**
kw
):
from
.._base
import
weightedUnion
return
weightedUnion
(
*
args
,
**
kw
)
def
test_both_none
(
self
):
self
.
assertEqual
(
self
.
_callFUT
(
_Mapping
,
None
,
None
),
(
0
,
None
))
def
test_lhs_none
(
self
):
rhs
=
self
.
_makeMapping
({
'a'
:
13
,
'c'
:
12
,
'e'
:
11
})
self
.
assertEqual
(
self
.
_callFUT
(
rhs
.
__class__
,
None
,
rhs
),
(
1
,
rhs
))
def
test_rhs_none
(
self
):
lhs
=
self
.
_makeMapping
({
'a'
:
13
,
'c'
:
12
,
'e'
:
11
})
self
.
assertEqual
(
self
.
_callFUT
(
lhs
.
__class__
,
lhs
,
None
),
(
1
,
lhs
))
def
test_lhs_mapping_rhs_set
(
self
):
lhs
=
self
.
_makeMapping
({
'a'
:
13
,
'b'
:
12
,
'c'
:
11
})
rhs
=
self
.
_makeSet
(
'a'
,
'd'
)
weight
,
result
=
self
.
_callFUT
(
lhs
.
__class__
,
lhs
,
rhs
)
self
.
assertTrue
(
isinstance
(
result
,
_Mapping
))
self
.
assertEqual
(
list
(
result
),
[
'a'
,
'b'
,
'c'
,
'd'
])
self
.
assertEqual
(
result
[
'a'
],
55
)
self
.
assertEqual
(
result
[
'b'
],
12
)
self
.
assertEqual
(
result
[
'c'
],
11
)
self
.
assertEqual
(
result
[
'd'
],
42
)
def
test_both_mappings_rhs_empty
(
self
):
lhs
=
self
.
_makeMapping
({
'a'
:
13
,
'b'
:
12
,
'c'
:
11
})
rhs
=
self
.
_makeMapping
({})
weight
,
result
=
self
.
_callFUT
(
lhs
.
__class__
,
lhs
,
rhs
)
self
.
assertEqual
(
list
(
result
),
[
'a'
,
'b'
,
'c'
])
self
.
assertEqual
(
result
[
'a'
],
13
)
self
.
assertEqual
(
result
[
'b'
],
12
)
self
.
assertEqual
(
result
[
'c'
],
11
)
def
test_both_mappings_rhs_non_empty
(
self
):
lhs
=
self
.
_makeMapping
({
'a'
:
13
,
'c'
:
12
,
'e'
:
11
})
rhs
=
self
.
_makeMapping
({
'a'
:
10
,
'b'
:
22
,
'd'
:
33
})
weight
,
result
=
self
.
_callFUT
(
lhs
.
__class__
,
lhs
,
rhs
)
self
.
assertEqual
(
list
(
result
),
[
'a'
,
'b'
,
'c'
,
'd'
,
'e'
])
self
.
assertEqual
(
result
[
'a'
],
23
)
self
.
assertEqual
(
result
[
'b'
],
22
)
self
.
assertEqual
(
result
[
'c'
],
12
)
self
.
assertEqual
(
result
[
'd'
],
33
)
self
.
assertEqual
(
result
[
'e'
],
11
)
class
_Jar
(
object
):
def
__init__
(
self
):
self
.
_current
=
set
()
...
...
@@ -2609,8 +2658,11 @@ class _Mapping(dict):
for
k
,
v
in
sorted
(
source
.
items
()):
self
.
_keys
.
append
(
k
)
self
.
_values
.
append
(
v
)
MERGE_DEFAULT
=
42
def
MERGE_WEIGHT
(
self
,
v
,
w
):
return
v
def
MERGE
(
self
,
v1
,
w1
,
v2
,
w2
):
return
v1
*
w1
+
v2
*
w2
def
iteritems
(
self
):
for
k
,
v
in
zip
(
self
.
_keys
,
self
.
_values
):
yield
k
,
v
...
...
@@ -2640,4 +2692,5 @@ def test_suite():
unittest
.
makeSuite
(
Test_difference
),
unittest
.
makeSuite
(
Test_union
),
unittest
.
makeSuite
(
Test_intersection
),
unittest
.
makeSuite
(
Test_weightedUnion
),
))
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