smr/spec/env_mock.lua

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2021-08-27 03:09:29 +02:00
local config = require("config")
config.db = "data/unittest.db"
local mock = {}
local env = {}
mock.env = env
--Mirror print prior to lua 5.4
--local oldprint = print
local ntostring
print_table= function(...)
print("Print called")
local args = {...}
local mapped_args = {}
for k,v in ipairs(args) do
print("mapping",v)
mapped_args[k] = ntostring(v)
end
print(table.concat(mapped_args,"\t"))
end
local tables_called = {}
function ntostring(arg)
io.stdout:write("Calling tostring with:",tostring(arg),"\n")
if type(arg) ~= "table" then
return tostring(arg)
end
local function tbl_to_string(tbl,indent)
if tables_called[tbl] then
return tostring(tbl)
end
tables_called[tbl] = true
if type(tbl) ~= "table" then
error("tbl_to_string must be called with a table, got a " .. type(tbl))
end
local lines = {string.rep("\t",indent) .. "{"}
for k, v in pairs(tbl) do
local kv = {}
for i,n in pairs{k,v} do
if type(n) == "table" then
kv[i] = string.format("%q",tbl_to_string(n,indent+1))
else
kv[i] = string.format("%q",tostring(n))
end
end
table.insert(
lines,
string.rep("\t",indent+1) .. kv[1] .. ":" .. kv[2]
)
end
table.insert(lines,string.rep("\t",indent) .. "}")
return table.concat(lines,"\n")
end
--It's a table
local ret = tbl_to_string(arg,0)
tables_called = {}
return ret
end
local smr_mock_env = {
--An empty function that gets called to set up databases and do other
--startup-time stuff, runs once for each worker process.
configure = spy.new(function(...) end),
http_request_get_host = spy.new(function(req) return req.host or "test.host" end),
http_request_get_path = spy.new(function(req) return req.path or "/" end),
http_request_populate_qs = spy.new(function(req) req.qs_populated = true end),
http_request_populate_post = spy.new(function(req) req.post_populated = true end),
http_populate_multipart_form = spy.new(function(req) req.post_populated = true end),
http_argument_get_string = spy.new(function(req,str)
assert(req.args,"requests should have a .args table")
assert(
req.method == "GET" and req.qs_populated or
req.method == "POST" and req.post_populated,[[
http_argument_get_string() can only be called after
the appropriate populate method has been called, either
http_request_populate_qs(req) or
http_request_populate_post(req)]]
)
return req.args[str]
end),
http_file_get = spy.new(function(req,filename)
assert(req.multipart_forum_populated,[[
http_file_get() can only be called after the approriate
populate method has been called. (http_populate_multipart_form())
]])
return req.file["pass"]
end),
http_response = spy.new(function(req,errcode,html)
req.responsecode = errcode
req.response = html
end),
http_response_header = spy.new(function(req,name,value)
req.response_headers = req.response_headers or {}
req.response_headers[name] = value
end),
http_method_text = spy.new(function(req) return req.method end),
http_populate_cookies = spy.new(function(req)
req.cookies_populated = true
req.cookies = req.cookies or {}
end),
http_request_cookie = spy.new(function(req,cookie_name)
assert(req.cookies_populated,[[
http_request_cookie() can only be called after
http_populate_cookies() has been called.
]])
return req.cookies[cookie_name]
end),
http_response_cookie = spy.new(function(req,name,value) req.cookies = {[name] = value} end),
log = spy.new(function(priority, message) --[[print(string.format("[LOG %q]: %s",priority,message))]] end),
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sha3 = spy.new(function(message) return "digest" end),
}
local smr_mock_env_m = {
__index = smr_mock_env,
__newindex = function(self,key,value)
local setter = debug.getinfo(2)
if setter.source ~= "=[C]" and key ~= "configure" then
error(string.format(
"Tried to create a global %q with value %s\n%s",
key,
tostring(value),
debug.traceback()
),2)
else
rawset(self,key,value)
end
end
}
local sfmt = string.format
local string_fmt_override = {
format = spy.new(function(fmt,...)
local args = {...}
for i = 1,#args do
if args[i] == nil then
args[i] = "nil"
end
end
table.insert(args,1,fmt)
return sfmt(unpack(args))
end)
}
setmetatable(string_fmt_override,{__index = string})
local smr_override_env = {
--Detour assert so we don't actually perform any checks
assert = spy.new(function(bool,msg,level) return bool end),
--Allow string.format to accept nil as arguments
string = string_fmt_override
}
mock.olds = {}
function mock.setup()
setmetatable(_G,smr_mock_env_m)
for k,v in pairs(smr_override_env) do
mock.olds[k] = _G[k]
_G[k] = v
end
end
function mock.mockdb()
local config = require("config")
config.db = "data/unittest.db"
assert(os.execute("rm " .. config.db))
package.loaded.db = nil
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local db = require("db")
end
function mock.teardown()
setmetatable(_G,{})
for k,v in pairs(mock.olds) do
_G[k] = v
end
end
local session_m = {__index = {
login = function(self, who, pass)
if not self.args then
error("Request should have a .args table")
end
print("Right before requireing login_post endpoint, self.args is " .. tostring(self.args))
print("After requireing login_post edpoint, self.args is " .. tostring(self.args))
self.args.user = who
self.args.pass = pass
post_login(self)
error("TODO")
end,
logout = function(self)
error("TODO")
end,
req = function(self, args)
end
}}
function mock.session(tbl)
if not post_login_required then
post_login = require("endpoints.login_post")
post_login_required = true
end
tbl = tbl or {}
tbl.args = tbl.args or {}
local req = tbl or {
host = "test.host",
}
return setmetatable(req,session_m)
end
return mock