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-- test/test-supple.capi.lua
--
-- Supple - Tests for the capi module
--
-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
--
-- For Licence terms, see COPYING
--
-- Step one, start coverage
local luacov = require 'luacov'
local capi = require 'supple.capi'
local testnames = {}
local real_assert = assert
local total_asserts = 0
local function assert(...)
local retval = real_assert(...)
total_asserts = total_asserts + 1
return retval
end
local function add_test(suite, name, value)
rawset(suite, name, value)
testnames[#testnames+1] = name
end
local suite = setmetatable({}, {__newindex = add_test})
function suite.capi_has_api()
assert(capi._API, "No _API found in the CAPI")
end
function suite.capi_has_abi()
assert(capi._ABI, "No _ABI found in the CAPI")
end
function suite.capi_explain_non_table_etc()
local ok = pcall(capi.explain, nil, "");
assert(ok == false, "Explained nil unexpectedly")
ok = pcall(capi.explain, true, "");
assert(ok == false, "Explained true unexpectedly")
ok = pcall(capi.explain, false, "");
assert(ok == false, "Explained false unexpectedly")
ok = pcall(capi.explain, 123, "");
assert(ok == false, "Explained number unexpectedly")
ok = pcall(capi.explain, "", "");
assert(ok == false, "Explained string unexpectedly")
ok = pcall(capi.explain, coroutine.create(function()end), "");
assert(ok == false, "Explained coroutine unexpectedly")
end
function suite.capi_explain_bad_tag()
local ok = pcall(capi.explain, {}, nil)
assert(ok == false, "Explained with nil tag unexpectedly")
ok = pcall(capi.explain, {}, 1233)
assert(ok == false, "Explained with number tag unexpectedly")
ok = pcall(capi.explain, {}, true)
assert(ok == false, "Explained with true tag unexpectedly")
ok = pcall(capi.explain, {}, false)
assert(ok == false, "Explained with false tag unexpectedly")
ok = pcall(capi.explain, {}, {})
assert(ok == false, "Explained with table tag unexpectedly")
ok = pcall(capi.explain, {}, function()end)
assert(ok == false, "Explained with function tag unexpectedly")
ok = pcall(capi.explain, {}, coroutine.create(function()end))
assert(ok == false, "Explained with coroutine tag unexpectedly")
end
function suite.capi_explain_simple_table()
local expn = capi.explain({}, "fish")
assert(type(expn) == "table", "Explanation wasn't a table")
assert(type(expn.tag) == "string", "Tag not a string")
assert(expn.tag == "fish", "Tag wasn't as passed in")
assert(type(expn.type) == "string", "Type wasn't a string")
assert(expn.type == "table", "Type didn't declare it is a table")
assert(expn.methods == nil, "Methods table was present in some form")
end
function suite.capi_explain_table_with_mode()
local tab = setmetatable({}, { __mode="k"})
local expn = capi.explain(tab, "fish")
assert(type(expn) == "table", "Explanation wasn't a table")
assert(type(expn.tag) == "string", "Tag not a string")
assert(expn.tag == "fish", "Tag wasn't as passed in")
assert(type(expn.type) == "string", "Type wasn't a string")
assert(expn.type == "table", "Type didn't declare it is a table")
assert(type(expn.methods) == "table", "Methods were not present")
assert(next(expn.methods) == nil, "Methods had something in")
end
function suite.capi_explain_table_with_index()
local tab = setmetatable({}, { __index = {} })
local expn = capi.explain(tab, "fish")
assert(type(expn) == "table", "Explanation wasn't a table")
assert(type(expn.tag) == "string", "Tag not a string")
assert(expn.tag == "fish", "Tag wasn't as passed in")
assert(type(expn.type) == "string", "Type wasn't a string")
assert(expn.type == "table", "Type didn't declare it is a table")
assert(type(expn.methods) == "table", "Methods were not present")
assert(expn.methods[1] == "__index", "Missing __index")
assert(expn.methods[2] == nil, "Something other than __index")
end
function suite.capi_explain_function()
local expn = capi.explain(function()end, "fish")
assert(type(expn) == "table", "Explanation wasn't a table")
assert(type(expn.tag) == "string", "Tag not a string")
assert(expn.tag == "fish", "Tag wasn't as passed in")
assert(type(expn.type) == "string", "Type wasn't a string")
assert(expn.type == "function", "Type didn't declare it is a table")
assert(expn.methods == nil, "Methods table was present in some form")
end
function suite.capi_type_chains()
assert(capi.type({}) == "table", "Plain table wasn't a table")
local t = setmetatable({}, { __type = function() return "jeff" end })
assert(capi.type(t) == "jeff", "Chained table wasn't jeff")
end
function suite.capi_rawtype()
assert(capi.rawtype() == "nil", "nil was't nil")
assert(capi.rawtype({}) == "table", "table wasn't")
assert(capi.rawtype("") == "string", "string wasn't")
assert(capi.rawtype(false) == "boolean", "boolean wasn't")
assert(capi.rawtype(function()end) == "function", "function wasn't")
assert(capi.rawtype(coroutine.create(function()end)) == "thread",
"coroutine wasn't")
assert(capi.rawtype(capi.new_proxy("table")) == "userdata",
"userdata wasn't")
end
function suite.capi_new_proxy_fails()
local ok = pcall(capi.new_proxy)
assert(ok == false, "Made a new proxy with a nil type string")
ok = pcall(capi.new_proxy, {})
assert(ok == false, "Made a new proxy with a table type string")
end
function suite.capi_new_proxy_function()
local proxy, mt = capi.new_proxy("function")
local sparetype = mt.__type
mt.__type = nil
assert(capi.type(proxy) == "userdata", "Proxy wasn't userdata")
mt.__type = sparetype
assert(capi.type(proxy) == "function", "Proxy did not override type")
assert(tostring(proxy):match("^function: "), "Proxy didn't tostring nicely")
end
function suite.capi_new_proxy_table()
local proxy, mt = capi.new_proxy("table")
local sparetype = mt.__type
mt.__type = nil
assert(type(proxy) == "userdata", "Proxy wasn't userdata")
mt.__type = sparetype
assert(capi.type(proxy) == "table", "Proxy did not override type")
assert(tostring(proxy):match("^table: "), "Proxy didn't tostring nicely")
end
function suite.capi_new_proxy_table()
local proxy, mt = capi.new_proxy("userdata")
local sparetype = mt.__type
mt.__type = nil
assert(type(proxy) == "userdata", "Proxy wasn't userdata")
mt.__type = sparetype
assert(capi.type(proxy) == "userdata", "Proxy did not override type")
assert(tostring(proxy):match("^userdata: "), "Proxy didn't tostring nicely")
end
local count_ok = 0
for _, testname in ipairs(testnames) do
-- print("Run: " .. testname)
local ok, err = xpcall(suite[testname], debug.traceback)
if not ok then
print(err)
print()
else
count_ok = count_ok + 1
end
end
print(tostring(count_ok) .. "/" .. tostring(#testnames) .. " [" .. tostring(total_asserts) .. "] OK")
os.exit(count_ok == #testnames and 0 or 1)
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