1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
local helpers = require('test.functional.helpers')(after_each)
local mpack = require('mpack')
local clear, funcs, eq = helpers.clear, helpers.funcs, helpers.eq
local function read_mpack_file(fname)
local fd = io.open(fname, 'rb')
if fd == nil then
return nil
end
local data = fd:read('*a')
fd:close()
local unpack = mpack.Unpacker()
return unpack(data)
end
describe("api_info()['version']", function()
before_each(clear)
it("returns API level", function()
local version = helpers.call('api_info')['version']
local current = version['api_level']
local compat = version['api_compatible']
eq("number", type(current))
eq("number", type(compat))
assert(current >= compat)
end)
it("returns Nvim version", function()
local version = helpers.call('api_info')['version']
local major = version['major']
local minor = version['minor']
local patch = version['patch']
eq("number", type(major))
eq("number", type(minor))
eq("number", type(patch))
eq(1, funcs.has("nvim-"..major.."."..minor.."."..patch))
eq(0, funcs.has("nvim-"..major.."."..minor.."."..(patch + 1)))
eq(0, funcs.has("nvim-"..major.."."..(minor + 1).."."..patch))
eq(0, funcs.has("nvim-"..(major + 1).."."..minor.."."..patch))
end)
end)
describe("api functions", function()
before_each(clear)
local function func_table(metadata)
local functions = {}
for _,f in ipairs(metadata.functions) do
functions[f.name] = f
end
return functions
end
-- Remove metadata that is not essential to backwards-compatibility.
local function filter_function_metadata(f)
f.deprecated_since = nil
for idx, _ in ipairs(f.parameters) do
f.parameters[idx][2] = '' -- Remove parameter name.
end
if string.sub(f.name, 1, 4) ~= "nvim" then
f.method = nil
end
return f
end
-- Level 0 represents methods from 0.1.5 and earlier, when 'since' was not
-- yet defined, and metadata was not filtered of internal keys like 'async'.
local function clean_level_0(metadata)
for _, f in ipairs(metadata.functions) do
f.can_fail = nil
f.async = nil
f.receives_channel_id = nil
f.since = 0
end
end
it("are compatible with old metadata or have new level", function()
local api = helpers.call('api_info')
local compat = api.version.api_compatible
local api_level = api.version.api_level
local stable
if api.version.api_prerelease then
stable = api_level-1
else
stable = api_level
end
local funcs_new = func_table(api)
local funcs_compat = {}
for level = compat, stable do
local path = ('test/functional/fixtures/api_level_'..
tostring(level)..'.mpack')
local old_api = read_mpack_file(path)
if old_api == nil then
local errstr = "missing metadata fixture for stable level "..level..". "
if level == api_level and not api.version.api_prerelease then
errstr = (errstr.."If NVIM_API_CURRENT was bumped, "..
"don't forget to set NVIM_API_PRERELEASE to true.")
end
error(errstr)
end
if level == 0 then
clean_level_0(old_api)
end
for _,f in ipairs(old_api.functions) do
if funcs_new[f.name] == nil then
if f.since >= compat then
error('function '..f.name..' was removed but exists in level '..
f.since..' which nvim should be compatible with')
end
else
eq(filter_function_metadata(f),
filter_function_metadata(funcs_new[f.name]))
end
end
funcs_compat[level] = func_table(old_api)
end
for _,f in ipairs(api.functions) do
if f.since <= stable then
local f_old = funcs_compat[f.since][f.name]
if f_old == nil then
if string.sub(f.name, 1, 4) == "nvim" then
local errstr = ("function "..f.name.." has too low since value. "..
"For new functions set it to "..(stable+1)..".")
if not api.version.api_prerelease then
errstr = (errstr.." Also bump NVIM_API_CURRENT and set "..
"NVIM_API_PRERELEASE to true in CMakeLists.txt.")
end
error(errstr)
else
error("function name '"..f.name.."' doesn't begin with 'nvim_'")
end
end
elseif f.since > api_level then
error("function "..f.name.." has since value > api_level. "..
"Please bump NVIM_API_CURRENT and set "..
"NVIM_API_PRERELEASE to true in CMakeLists.txt.")
end
end
end)
end)
|
