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test_helper.lua
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test_helper.lua
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--[[
mattata v2.0 - Test Helper
Common utilities for busted test setup/teardown and assertion helpers.
]]
local test_helper = {}
local assert = require('luassert')
local mock_api = require('spec.helpers.mock_api')
local mock_db = require('spec.helpers.mock_db')
local mock_redis = require('spec.helpers.mock_redis')
-- Create a fresh set of mocks for each test
function test_helper.setup()
local env = {
api = mock_api.new(),
db = mock_db.new(),
redis = mock_redis.new(),
}
return env
end
-- Reset all mocks between tests
function test_helper.teardown(env)
if env then
if env.api and env.api.reset then env.api.reset() end
if env.db and env.db.reset then env.db.reset() end
if env.redis and env.redis.reset then env.redis.reset() end
end
end
-- Build a mock message for testing
function test_helper.make_message(overrides)
local msg = {
message_id = 1,
date = os.time(),
from = {
id = 111111,
is_bot = false,
first_name = 'Test',
last_name = 'User',
username = 'testuser',
language_code = 'en_gb',
},
chat = {
id = -100123456789,
title = 'Test Group',
type = 'supergroup',
},
text = '',
}
if overrides then
for k, v in pairs(overrides) do
if type(v) == 'table' and type(msg[k]) == 'table' then
for k2, v2 in pairs(v) do
msg[k][k2] = v2
end
else
msg[k] = v
end
end
end
return msg
end
-- Build a mock private message
function test_helper.make_private_message(overrides)
local defaults = {
chat = {
id = 111111,
type = 'private',
first_name = 'Test',
last_name = 'User',
},
}
if overrides then
for k, v in pairs(overrides) do
defaults[k] = v
end
end
return test_helper.make_message(defaults)
end
-- Build a mock callback query
function test_helper.make_callback_query(overrides)
local cb = {
id = 'callback_123',
from = {
id = 111111,
is_bot = false,
first_name = 'Test',
username = 'testuser',
},
message = {
message_id = 1,
chat = {
id = -100123456789,
type = 'supergroup',
title = 'Test Group',
},
},
data = '',
}
if overrides then
for k, v in pairs(overrides) do
cb[k] = v
end
end
return cb
end
-- Build a context (ctx) object similar to what the router builds
function test_helper.make_ctx(env, overrides)
local ctx = {
api = env.api,
db = env.db,
redis = env.redis,
config = {
bot_name = function() return 'mattata' end,
get = function(key, default) return default end,
get_number = function(key, default) return default end,
is_enabled = function(key) return false end,
bot_admins = function() return {} end,
},
is_group = true,
is_supergroup = true,
is_private = false,
is_global_admin = false,
is_admin = false,
is_mod = false,
lang = {
errors = {
connection = 'Connection error.',
results = 'No results found.',
supergroup = 'This command can only be used in supergroups.',
admin = 'You need to be an admin to use this command.',
generic = 'An unexpected error occurred.',
},
},
lang_code = 'en_gb',
}
if overrides then
for k, v in pairs(overrides) do
ctx[k] = v
end
end
return ctx
end
-- Assert a specific API method was called
function test_helper.assert_api_called(api, method)
local call = api.get_call(method)
assert.is_not_nil(call, 'Expected API method "' .. method .. '" to be called')
return call
end
-- Assert a specific API method was NOT called
function test_helper.assert_api_not_called(api, method)
local call = api.get_call(method)
assert.is_nil(call, 'Expected API method "' .. method .. '" NOT to be called')
end
-- Assert a send_message was called with text matching a pattern
function test_helper.assert_sent_message_matches(api, pattern)
local found = false
for _, call in ipairs(api.calls) do
if call.method == 'send_message' and call.args[2] and call.args[2]:match(pattern) then
found = true
break
end
end
assert.is_true(found, 'Expected send_message with text matching "' .. pattern .. '"')
end
-- Assert a specific DB query was executed
function test_helper.assert_db_query_matches(db, pattern)
local found = false
for _, q in ipairs(db.queries) do
local sql = q.sql or ''
if sql:match(pattern) then
found = true
break
end
end
assert.is_true(found, 'Expected DB query matching "' .. pattern .. '"')
end
-- Assert a specific Redis command was issued
function test_helper.assert_redis_command(redis, cmd)
local found = false
for _, c in ipairs(redis.commands) do
if c.cmd == cmd then
found = true
break
end
end
assert.is_true(found, 'Expected Redis command "' .. cmd .. '"')
end
return test_helper

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