def test_script_error(redis):
with assert_raises(ScriptError) as error:
run_code(
client=redis,
content="""
local a = 1;
local b = 2;
c = 3; -- This is line 4.
local d = 4;
""",
)
assert_equal(4, error.exception.line)
def test_argument_types(redis):
args = {
's': 'foo',
'i': 42,
'b': False,
'l': [1, 2, 'b', None, '5', 3.14],
'd': {'a': 'alpha', 'b': 5, 'c': None, 'd': 2.45},
}
result = run_code(
client=redis,
content="""
%arg s string
%arg i integer
%arg b boolean
%arg l list
%arg d dict
%return dict
return cjson.encode({
s=s,
i=i,
b=b,
l=l,
d=d,
})
""",
kwargs=args,
)
assert_equal(args, result)
def test_run_code():
client = MagicMock()
result = run_code(
client=client,
content="""
%include "sum"
return sum(3, 4);
""",
path=LUA_SEARCH_PATH,
)
assert_equal(client.evalsha(), result)
def test_run_code():
client = MagicMock()
result = run_code(
client=client,
content="""
%include "sum"
return sum(3, 4);
""",
path=LUA_SEARCH_PATH,
)
assert_equal(client.evalsha(), result)
def test_multiple_inclusion(redis):
cache = {}
parse_script(
name='a',
content="""
redis.call('INCR', key_a)
""".strip(),
cache=cache,
)
parse_script(
name='b',
content="""
%pragma once
redis.call('INCR', key_b)
""".strip(),
cache=cache,
)
result = run_code(
client=redis,
content="""
%key key_a
%key key_b
%include "a"
%include "b"
%include "a"
%include "b"
%return dict
local a = tonumber(redis.call('GET', key_a))
local b = tonumber(redis.call('GET', key_b))
return cjson.encode({
a=a,
b=b,
})
""".strip(),
kwargs={
'key_a': 'key_a',
'key_b': 'key_b',
},
cache=cache,
)
assert_equal(
{
'a': 2,
'b': 1,
},
result,
)
def test_run_code_with_args():
client = MagicMock()
result = run_code(
client=client,
content="""
%arg a int
%arg b int
%include "sum"
return sum(a, b);
""",
path=LUA_SEARCH_PATH,
kwargs={'a': 1, 'b': 2},
)
assert_equal(client.evalsha(), result)
def test_sum(redis):
result = run_code(
client=redis,
content="""
%arg a integer
%arg b integer
return a + b;
""",
kwargs={
'a': 3,
'b': 4,
},
)
assert_equal(7, result)
def test_run_code_with_args():
client = MagicMock()
result = run_code(
client=client,
content="""
%arg a int
%arg b int
%include "sum"
return sum(a, b);
""",
path=LUA_SEARCH_PATH,
kwargs={
'a': 1,
'b': 2
},
)
assert_equal(client.evalsha(), result)
def test_sum_pipeline(redis):
with redis.pipeline() as pipeline:
result = run_code(
client=pipeline,
content="""
%arg a integer
%arg b integer
%return string
return a + b;
""",
kwargs={
'a': 3,
'b': 4,
},
)
values = pipeline.execute()
assert_equal([7], values)
assert_equal("7", result(values[0]))
def test_doc_example(redis):
result = run_code(
client=redis,
content="""
%arg size integer
%arg members list
%return dict
local foo_id = redis.call('INCR', 'foo:last_id')
local foo_root_key = string.format('foo:%s', foo_id)
local foo_members_key = foo_root_key .. ':members'
local foo_size_key = foo_root_key .. ':size'
redis.call('SET', foo_size_key, size)
redis.call('SADD', foo_members_key, unpack(members))
return cjson.encode({
id=foo_id,
members=members,
size=size,
})
""".strip(),
kwargs={
'members': {'john', 'susan', 'bob'},
'size': 5,
},
)
# This transformation makes the result more easily comparable.
result['members'] = set(result['members'])
assert_equal(
{
'id': 1,
'members': {'john', 'susan', 'bob'},
'size': 5,
},
result,
)