From efe7590e7d786e4a82d6d291a1313cabe76690f1 Mon Sep 17 00:00:00 2001
From: Adam Harrison <adamdharrison@gmail.com>
Date: Tue, 22 Nov 2022 15:56:17 -0500
Subject: Running tests.

---
 t/run.lua | 458 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 458 insertions(+)
 create mode 100644 t/run.lua

(limited to 't/run.lua')

diff --git a/t/run.lua b/t/run.lua
new file mode 100644
index 0000000..d99e417
--- /dev/null
+++ b/t/run.lua
@@ -0,0 +1,458 @@
+setmetatable(_G, { __index = function(t, k) if not rawget(t, k) then error("cannot get undefined global variable: " .. k, 2) end end, __newindex = function(t, k) error("cannot set global variable: " .. k, 2) end  })
+
+-- Begin rxi JSON library.
+local json = { _version = "0.1.2" }
+local encode
+local escape_char_map = {
+  [ "\\" ] = "\\",
+  [ "\"" ] = "\"",
+  [ "\b" ] = "b",
+  [ "\f" ] = "f",
+  [ "\n" ] = "n",
+  [ "\r" ] = "r",
+  [ "\t" ] = "t",
+}
+
+local escape_char_map_inv = { [ "/" ] = "/" }
+for k, v in pairs(escape_char_map) do
+  escape_char_map_inv[v] = k
+end
+
+
+local function escape_char(c)
+  return "\\" .. (escape_char_map[c] or string.format("u%04x", c:byte()))
+end
+
+
+local function encode_nil(val)
+  return "null"
+end
+
+
+local function encode_table(val, stack)
+  local res = {}
+  stack = stack or {}
+
+  -- Circular reference?
+  if stack[val] then error("circular reference") end
+
+  stack[val] = true
+
+  if rawget(val, 1) ~= nil or next(val) == nil then
+    -- Treat as array -- check keys are valid and it is not sparse
+    local n = 0
+    for k in pairs(val) do
+      if type(k) ~= "number" then
+        error("invalid table: mixed or invalid key types")
+      end
+      n = n + 1
+    end
+    if n ~= #val then
+      error("invalid table: sparse array")
+    end
+    -- Encode
+    for i, v in ipairs(val) do
+      table.insert(res, encode(v, stack))
+    end
+    stack[val] = nil
+    return "[" .. table.concat(res, ",") .. "]"
+
+  else
+    -- Treat as an object
+    for k, v in pairs(val) do
+      if type(k) ~= "string" then
+        error("invalid table: mixed or invalid key types")
+      end
+      table.insert(res, encode(k, stack) .. ":" .. encode(v, stack))
+    end
+    stack[val] = nil
+    return "{" .. table.concat(res, ",") .. "}"
+  end
+end
+
+
+local function encode_string(val)
+  return '"' .. val:gsub('[%z\1-\31\\"]', escape_char) .. '"'
+end
+
+
+local function encode_number(val)
+  -- Check for NaN, -inf and inf
+  if val ~= val or val <= -math.huge or val >= math.huge then
+    error("unexpected number value '" .. tostring(val) .. "'")
+  end
+  return string.format("%.14g", val)
+end
+
+
+local type_func_map = {
+  [ "nil"     ] = encode_nil,
+  [ "table"   ] = encode_table,
+  [ "string"  ] = encode_string,
+  [ "number"  ] = encode_number,
+  [ "boolean" ] = tostring,
+}
+
+
+encode = function(val, stack)
+  local t = type(val)
+  local f = type_func_map[t]
+  if f then
+    return f(val, stack)
+  end
+  error("unexpected type '" .. t .. "'")
+end
+
+
+function json.encode(val)
+  return ( encode(val) )
+end
+
+local parse
+
+local function create_set(...)
+  local res = {}
+  for i = 1, select("#", ...) do
+    res[ select(i, ...) ] = true
+  end
+  return res
+end
+
+local space_chars   = create_set(" ", "\t", "\r", "\n")
+local delim_chars   = create_set(" ", "\t", "\r", "\n", "]", "}", ",")
+local escape_chars  = create_set("\\", "/", '"', "b", "f", "n", "r", "t", "u")
+local literals      = create_set("true", "false", "null")
+
+local literal_map = {
+  [ "true"  ] = true,
+  [ "false" ] = false,
+  [ "null"  ] = nil,
+}
+
+
+local function next_char(str, idx, set, negate)
+  for i = idx, #str do
+    if set[str:sub(i, i)] ~= negate then
+      return i
+    end
+  end
+  return #str + 1
+end
+
+
+local function decode_error(str, idx, msg)
+  local line_count = 1
+  local col_count = 1
+  for i = 1, idx - 1 do
+    col_count = col_count + 1
+    if str:sub(i, i) == "\n" then
+      line_count = line_count + 1
+      col_count = 1
+    end
+  end
+  error( string.format("%s at line %d col %d", msg, line_count, col_count) )
+end
+
+
+local function codepoint_to_utf8(n)
+  -- http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=iws-appendixa
+  local f = math.floor
+  if n <= 0x7f then
+    return string.char(n)
+  elseif n <= 0x7ff then
+    return string.char(f(n / 64) + 192, n % 64 + 128)
+  elseif n <= 0xffff then
+    return string.char(f(n / 4096) + 224, f(n % 4096 / 64) + 128, n % 64 + 128)
+  elseif n <= 0x10ffff then
+    return string.char(f(n / 262144) + 240, f(n % 262144 / 4096) + 128,
+                       f(n % 4096 / 64) + 128, n % 64 + 128)
+  end
+  error( string.format("invalid unicode codepoint '%x'", n) )
+end
+
+
+local function parse_unicode_escape(s)
+  local n1 = tonumber( s:sub(1, 4),  16 )
+  local n2 = tonumber( s:sub(7, 10), 16 )
+   -- Surrogate pair?
+  if n2 then
+    return codepoint_to_utf8((n1 - 0xd800) * 0x400 + (n2 - 0xdc00) + 0x10000)
+  else
+    return codepoint_to_utf8(n1)
+  end
+end
+
+
+local function parse_string(str, i)
+  local res = ""
+  local j = i + 1
+  local k = j
+
+  while j <= #str do
+    local x = str:byte(j)
+
+    if x < 32 then
+      decode_error(str, j, "control character in string")
+
+    elseif x == 92 then -- `\`: Escape
+      res = res .. str:sub(k, j - 1)
+      j = j + 1
+      local c = str:sub(j, j)
+      if c == "u" then
+        local hex = str:match("^[dD][89aAbB]%x%x\\u%x%x%x%x", j + 1)
+                 or str:match("^%x%x%x%x", j + 1)
+                 or decode_error(str, j - 1, "invalid unicode escape in string")
+        res = res .. parse_unicode_escape(hex)
+        j = j + #hex
+      else
+        if not escape_chars[c] then
+          decode_error(str, j - 1, "invalid escape char '" .. c .. "' in string")
+        end
+        res = res .. escape_char_map_inv[c]
+      end
+      k = j + 1
+
+    elseif x == 34 then -- `"`: End of string
+      res = res .. str:sub(k, j - 1)
+      return res, j + 1
+    end
+
+    j = j + 1
+  end
+
+  decode_error(str, i, "expected closing quote for string")
+end
+
+
+local function parse_number(str, i)
+  local x = next_char(str, i, delim_chars)
+  local s = str:sub(i, x - 1)
+  local n = tonumber(s)
+  if not n then
+    decode_error(str, i, "invalid number '" .. s .. "'")
+  end
+  return n, x
+end
+
+
+local function parse_literal(str, i)
+  local x = next_char(str, i, delim_chars)
+  local word = str:sub(i, x - 1)
+  if not literals[word] then
+    decode_error(str, i, "invalid literal '" .. word .. "'")
+  end
+  return literal_map[word], x
+end
+
+
+local function parse_array(str, i)
+  local res = {}
+  local n = 1
+  i = i + 1
+  while 1 do
+    local x
+    i = next_char(str, i, space_chars, true)
+    -- Empty / end of array?
+    if str:sub(i, i) == "]" then
+      i = i + 1
+      break
+    end
+    -- Read token
+    x, i = parse(str, i)
+    res[n] = x
+    n = n + 1
+    -- Next token
+    i = next_char(str, i, space_chars, true)
+    local chr = str:sub(i, i)
+    i = i + 1
+    if chr == "]" then break end
+    if chr ~= "," then decode_error(str, i, "expected ']' or ','") end
+  end
+  return res, i
+end
+
+
+local function parse_object(str, i)
+  local res = {}
+  i = i + 1
+  while 1 do
+    local key, val
+    i = next_char(str, i, space_chars, true)
+    -- Empty / end of object?
+    if str:sub(i, i) == "}" then
+      i = i + 1
+      break
+    end
+    -- Read key
+    if str:sub(i, i) ~= '"' then
+      decode_error(str, i, "expected string for key")
+    end
+    key, i = parse(str, i)
+    -- Read ':' delimiter
+    i = next_char(str, i, space_chars, true)
+    if str:sub(i, i) ~= ":" then
+      decode_error(str, i, "expected ':' after key")
+    end
+    i = next_char(str, i + 1, space_chars, true)
+    -- Read value
+    val, i = parse(str, i)
+    -- Set
+    res[key] = val
+    -- Next token
+    i = next_char(str, i, space_chars, true)
+    local chr = str:sub(i, i)
+    i = i + 1
+    if chr == "}" then break end
+    if chr ~= "," then decode_error(str, i, "expected '}' or ','") end
+  end
+  return res, i
+end
+
+
+local char_func_map = {
+  [ '"' ] = parse_string,
+  [ "0" ] = parse_number,
+  [ "1" ] = parse_number,
+  [ "2" ] = parse_number,
+  [ "3" ] = parse_number,
+  [ "4" ] = parse_number,
+  [ "5" ] = parse_number,
+  [ "6" ] = parse_number,
+  [ "7" ] = parse_number,
+  [ "8" ] = parse_number,
+  [ "9" ] = parse_number,
+  [ "-" ] = parse_number,
+  [ "t" ] = parse_literal,
+  [ "f" ] = parse_literal,
+  [ "n" ] = parse_literal,
+  [ "[" ] = parse_array,
+  [ "{" ] = parse_object,
+}
+
+
+parse = function(str, idx)
+  local chr = str:sub(idx, idx)
+  local f = char_func_map[chr]
+  if f then
+    return f(str, idx)
+  end
+  decode_error(str, idx, "unexpected character '" .. chr .. "'")
+end
+
+
+function json.decode(str)
+  if type(str) ~= "string" then
+    error("expected argument of type string, got " .. type(str))
+  end
+  local res, idx = parse(str, next_char(str, 1, space_chars, true))
+  idx = next_char(str, idx, space_chars, true)
+  if idx <= #str then
+    decode_error(str, idx, "trailing garbage")
+  end
+  return res
+end
+
+local tmpdir = os.getenv("TMPDIR") or "/tmp"
+local fast = os.getenv("FAST")
+local last_command_result, last_command
+local userdir = tmpdir .. "/lpmtest"
+local function lpm(cmd)
+  last_command = "./lpm --quiet --json --userdir=" .. userdir .. " " .. cmd
+  local pipe = io.popen(last_command, "r")
+  last_command_result = json.decode(pipe:read("*all"))
+  local success = pipe:close()
+  if not success then error("error calling lpm", 2) end
+  return last_command_result
+end
+
+local function assert_exists(path)
+  if not io.open(path, "rb")  then error("assertion failed: file " .. path .. " does not exist", 2) end
+end
+local function assert_not_exists(path)
+  if io.open(path, "rb") then error("assertion failed: file " .. path .. " exists", 2) end
+end
+
+local function run_tests(tests, arg)
+  local fail_count = 0
+  local names = {}
+  if #arg == 0 then
+    for k,v in pairs(tests) do table.insert(names, k) end  
+  else
+    names = arg
+  end
+  table.sort(names)
+  local max_name = 0
+  for i,k in ipairs(names) do max_name = math.max(max_name, #k) end  
+  for i,k in ipairs(names) do
+    local v = tests[k]
+    if fast then
+      os.execute("rm -rf " .. tmpdir .. "/lpmtest/plugins && mkdir -p " .. tmpdir .. "/lpmtest");
+    else
+      os.execute("rm -rf " .. tmpdir .. "/lpmtest && mkdir -p " .. tmpdir .. "/lpmtest");
+    end
+    io.stdout:write(string.format("test %-" .. (max_name + 1) .. "s: ", k))
+    local failed = false
+    xpcall(v, function(err)
+      print("[FAIL]: " .. err)
+      print()
+      print()
+      print("Last Command: " .. last_command)
+      print(json.encode(last_command_result)) 
+      fail_count = fail_count + 1
+      failed = true
+    end)
+    if not failed then
+      print("[PASSED]")
+    end
+  end
+  os.exit(fail_count)
+end
+
+local tests = {
+  ["00_install_singleton"] = function()
+    local plugins = lpm("list bracketmatch")["plugins"]
+    assert(#plugins == 1)
+    assert(plugins[1].organization == "singleton")
+    assert(plugins[1].status == "available")
+    local actions = lpm("install bracketmatch")["actions"]
+    assert(actions[1]:find("Installing singleton"))
+    assert_exists(userdir .. "/plugins/bracketmatch.lua")
+    actions = lpm("uninstall bracketmatch")["actions"]
+    assert_not_exists(userdir .. "/plugins/bracketmatch.lua")
+  end,
+  ["01_upgrade_singleton"] = function()
+    lpm("install bracketmatch")
+    local plugins = lpm("list bracketmatch")["plugins"]
+    assert(#plugins == 1)
+    assert(plugins[1].status == "installed")
+    assert_exists(plugins[1].path)
+    io.open(plugins[1].path, "ab"):write("-- this is a test comment to modify the checksum"):close()
+    plugins = lpm("list bracketmatch")["plugins"]
+    assert(#plugins == 2)
+    lpm("install bracketmatch")
+    plugins = lpm("list bracketmatch")["plugins"]
+    assert(#plugins == 1)
+  end,
+  ["02_install_complex"] = function()
+    local plugins = lpm("list plugin_manager")["plugins"]
+    assert(#plugins == 1)
+    assert(plugins[1].organization == "complex")
+    assert(plugins[1].status == "available")
+    local actions = lpm("install plugin_manager")["actions"]
+    assert_exists(userdir .. "/libraries/json.lua")
+    assert_exists(userdir .. "/plugins/plugin_manager")
+    assert_exists(userdir .. "/plugins/plugin_manager/init.lua")
+    actions = lpm("uninstall plugin_manager")["actions"]
+    assert_not_exists(userdir .. "/plugins/plugin_manager")
+  end,
+  ["03_upgrade_complex"] = function()
+    local actions = lpm("install plugin_manager")
+    local plugins = lpm("list plugin_manager")["plugins"]
+    assert(#plugins == 1)
+    assert(plugins[1].organization == "complex")
+    assert(plugins[1].status == "installed")
+  end,
+}
+
+
+run_tests(tests, arg)
-- 
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