builtin/common/tests/misc_helpers_spec.lua

   1 _G.core = {}
   2 _G.vector = {metatable = {}}
   3 dofile("builtin/common/vector.lua")
   4 dofile("builtin/common/misc_helpers.lua")
   5
   6 describe("string", function()
   7         it("trim()", function()
   8                 assert.equal("foo bar", string.trim("\n \t\tfoo bar\t "))
   9         end)
  10
  11         describe("split()", function()
  12                 it("removes empty", function()
  13                         assert.same({ "hello" }, string.split("hello"))
  14                         assert.same({ "hello", "world" }, string.split("hello,world"))
  15                         assert.same({ "hello", "world" }, string.split("hello,world,,,"))
  16                         assert.same({ "hello", "world" }, string.split(",,,hello,world"))
  17                         assert.same({ "hello", "world", "2" }, string.split("hello,,,world,2"))
  18                         assert.same({ "hello ", " world" }, string.split("hello :| world", ":|"))
  19                 end)
  20
  21                 it("keeps empty", function()
  22                         assert.same({ "hello" }, string.split("hello", ",", true))
  23                         assert.same({ "hello", "world" }, string.split("hello,world", ",", true))
  24                         assert.same({ "hello", "world", "" }, string.split("hello,world,", ",", true))
  25                         assert.same({ "hello", "", "", "world", "2" }, string.split("hello,,,world,2", ",", true))
  26                         assert.same({ "", "", "hello", "world", "2" }, string.split(",,hello,world,2", ",", true))
  27                         assert.same({ "hello ", " world | :" }, string.split("hello :| world | :", ":|"))
  28                 end)
  29
  30                 it("max_splits", function()
  31                         assert.same({ "one" }, string.split("one", ",", true, 2))
  32                         assert.same({ "one,two,three,four" }, string.split("one,two,three,four", ",", true, 0))
  33                         assert.same({ "one", "two", "three,four" }, string.split("one,two,three,four", ",", true, 2))
  34                         assert.same({ "one", "", "two,three,four" }, string.split("one,,two,three,four", ",", true, 2))
  35                         assert.same({ "one", "two", "three,four" }, string.split("one,,,,,,two,three,four", ",", false, 2))
  36                 end)
  37
  38                 it("pattern", function()
  39                         assert.same({ "one", "two" }, string.split("one,two", ",", false, -1, true))
  40                         assert.same({ "one", "two", "three" }, string.split("one2two3three", "%d", false, -1, true))
  41                 end)
  42         end)
  43 end)
  44
  45 describe("privs", function()
  46         it("from string", function()
  47                 assert.same({ a = true, b = true }, core.string_to_privs("a,b"))
  48         end)
  49
  50         it("to string", function()
  51                 assert.equal("one", core.privs_to_string({ one=true }))
  52
  53                 local ret = core.privs_to_string({ a=true, b=true })
  54                 assert(ret == "a,b" or ret == "b,a")
  55         end)
  56 end)
  57
  58 describe("pos", function()
  59         it("from string", function()
  60                 assert.equal(vector.new(10, 5.1, -2), core.string_to_pos("10.0, 5.1, -2"))
  61                 assert.equal(vector.new(10, 5.1, -2), core.string_to_pos("( 10.0, 5.1, -2)"))
  62                 assert.is_nil(core.string_to_pos("asd, 5, -2)"))
  63         end)
  64
  65         it("to string", function()
  66                 assert.equal("(10.1,5.2,-2.3)", core.pos_to_string({ x = 10.1, y = 5.2, z = -2.3}))
  67         end)
  68 end)
  69
  70 describe("area parsing", function()
  71         describe("valid inputs", function()
  72                 it("accepts absolute numbers", function()
  73                         local p1, p2 = core.string_to_area("(10.0, 5, -2) (  30.2 4 -12.53)")
  74                         assert(p1.x == 10 and p1.y == 5 and p1.z == -2)
  75                         assert(p2.x == 30.2 and p2.y == 4 and p2.z == -12.53)
  76                 end)
  77
  78                 it("accepts relative numbers", function()
  79                         local p1, p2 = core.string_to_area("(1,2,3) (~5,~-5,~)", {x=10,y=10,z=10})
  80                         assert(type(p1) == "table" and type(p2) == "table")
  81                         assert(p1.x == 1 and p1.y == 2 and p1.z == 3)
  82                         assert(p2.x == 15 and p2.y == 5 and p2.z == 10)
  83
  84                         p1, p2 = core.string_to_area("(1 2 3) (~5 ~-5 ~)", {x=10,y=10,z=10})
  85                         assert(type(p1) == "table" and type(p2) == "table")
  86                         assert(p1.x == 1 and p1.y == 2 and p1.z == 3)
  87                         assert(p2.x == 15 and p2.y == 5 and p2.z == 10)
  88                 end)
  89         end)
  90         describe("invalid inputs", function()
  91                 it("rejects too few numbers", function()
  92                         local p1, p2 = core.string_to_area("(1,1) (1,1,1,1)", {x=1,y=1,z=1})
  93                         assert(p1 == nil and p2 == nil)
  94                 end)
  95
  96                 it("rejects too many numbers", function()
  97                         local p1, p2 = core.string_to_area("(1,1,1,1) (1,1,1,1)", {x=1,y=1,z=1})
  98                         assert(p1 == nil and p2 == nil)
  99                 end)
 100
 101                 it("rejects nan & inf", function()
 102                         local p1, p2 = core.string_to_area("(1,1,1) (1,1,nan)", {x=1,y=1,z=1})
 103                         assert(p1 == nil and p2 == nil)
 104
 105                         p1, p2 = core.string_to_area("(1,1,1) (1,1,~nan)", {x=1,y=1,z=1})
 106                         assert(p1 == nil and p2 == nil)
 107
 108                         p1, p2 = core.string_to_area("(1,1,1) (1,~nan,1)", {x=1,y=1,z=1})
 109                         assert(p1 == nil and p2 == nil)
 110
 111                         p1, p2 = core.string_to_area("(1,1,1) (1,1,inf)", {x=1,y=1,z=1})
 112                         assert(p1 == nil and p2 == nil)
 113
 114                         p1, p2 = core.string_to_area("(1,1,1) (1,1,~inf)", {x=1,y=1,z=1})
 115                         assert(p1 == nil and p2 == nil)
 116
 117                         p1, p2 = core.string_to_area("(1,1,1) (1,~inf,1)", {x=1,y=1,z=1})
 118                         assert(p1 == nil and p2 == nil)
 119
 120                         p1, p2 = core.string_to_area("(nan,nan,nan) (nan,nan,nan)", {x=1,y=1,z=1})
 121                         assert(p1 == nil and p2 == nil)
 122
 123                         p1, p2 = core.string_to_area("(nan,nan,nan) (nan,nan,nan)")
 124                         assert(p1 == nil and p2 == nil)
 125
 126                         p1, p2 = core.string_to_area("(inf,inf,inf) (-inf,-inf,-inf)", {x=1,y=1,z=1})
 127                         assert(p1 == nil and p2 == nil)
 128
 129                         p1, p2 = core.string_to_area("(inf,inf,inf) (-inf,-inf,-inf)")
 130                         assert(p1 == nil and p2 == nil)
 131                 end)
 132
 133                 it("rejects words", function()
 134                         local p1, p2 = core.string_to_area("bananas", {x=1,y=1,z=1})
 135                         assert(p1 == nil and p2 == nil)
 136
 137                         p1, p2 = core.string_to_area("bananas", "foobar")
 138                         assert(p1 == nil and p2 == nil)
 139
 140                         p1, p2 = core.string_to_area("bananas")
 141                         assert(p1 == nil and p2 == nil)
 142
 143                         p1, p2 = core.string_to_area("(bananas,bananas,bananas)")
 144                         assert(p1 == nil and p2 == nil)
 145
 146                         p1, p2 = core.string_to_area("(bananas,bananas,bananas) (bananas,bananas,bananas)")
 147                         assert(p1 == nil and p2 == nil)
 148                 end)
 149
 150                 it("requires parenthesis & valid numbers", function()
 151                         local p1, p2 = core.string_to_area("(10.0, 5, -2  30.2,   4, -12.53")
 152                         assert(p1 == nil and p2 == nil)
 153
 154                         p1, p2 = core.string_to_area("(10.0, 5,) -2  fgdf2,   4, -12.53")
 155                         assert(p1 == nil and p2 == nil)
 156                 end)
 157         end)
 158 end)
 159
 160 describe("table", function()
 161         it("indexof()", function()
 162                 assert.equal(1, table.indexof({"foo", "bar"}, "foo"))
 163                 assert.equal(-1, table.indexof({"foo", "bar"}, "baz"))
 164         end)
 165 end)
 166
 167 describe("formspec_escape", function()
 168         it("escapes", function()
 169                 assert.equal(nil, core.formspec_escape(nil))
 170                 assert.equal("", core.formspec_escape(""))
 171                 assert.equal("\\[Hello\\\\\\[", core.formspec_escape("[Hello\\["))
 172         end)
 173 end)