awesome/spec/gears/table_spec.lua

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local gtable = require("gears.table")
describe("gears.table", function()
it("table.keys", function()
local t = { 1, a = 2, 3 }
assert.is.same(gtable.keys(t), { 1, 2, "a" })
end)
it("table.keys_filter", function()
local t = { "a", 1, function() end, false}
assert.is.same(gtable.keys_filter(t, "number", "function"), { 2, 3 })
end)
it("table.reverse", function()
local t = { "a", "b", c = "c", "d" }
assert.is.same(gtable.reverse(t), { "d", "b", "a", c = "c" })
end)
describe("table.iterate", function()
it("no filter", function()
local t = { "a", "b", c = "c", "d" }
local f = gtable.iterate(t, function() return true end)
assert.is.equal(f(), "a")
assert.is.equal(f(), "b")
assert.is.equal(f(), "d")
assert.is.equal(f(), nil)
assert.is.equal(f(), nil)
end)
it("b filter", function()
local t = { "a", "b", c = "c", "d" }
local f = gtable.iterate(t, function(i) return i == "b" end)
assert.is.equal(f(), "b")
assert.is.equal(f(), nil)
assert.is.equal(f(), nil)
end)
it("with offset", function()
local t = { "a", "b", c = "c", "d" }
local f = gtable.iterate(t, function() return true end, 2)
assert.is.equal(f(), "b")
assert.is.equal(f(), "d")
assert.is.equal(f(), "a")
assert.is.equal(f(), nil)
assert.is.equal(f(), nil)
end)
end)
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describe("table.cycle_value", function()
it("nil argument", function()
local t = { "a", "b", "c", "d" }
local f = gtable.cycle_value(t, "a")
assert.is.same(f, "b")
end)
it("with step size", function()
local t = { "a", "b", "c", "d" }
local f = gtable.cycle_value(t, "a", 2)
assert.is.same(f, "c")
end)
it("b filter", function()
local t = { "a", "b", "c", "d" }
local f = gtable.cycle_value(t, "a", 1, function(i) return i == "b" end)
assert.is.equal(f, "b")
end)
it("e filter", function()
local t = { "a", "b", "c", "d" }
local f = gtable.cycle_value(t, "a", 1, function(i) return i == "e" end)
assert.is.equal(f, nil)
end)
it("b filter and step size", function()
local t = { "a", "b", "c", "d" }
local f = gtable.cycle_value(t, "b", 2, function(i) return i == "b" end)
assert.is.equal(f, nil)
end)
end)
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describe("table.find_keys", function()
it("nil argument", function()
local t = { "a", "b", c = "c", "d" }
local f = gtable.find_keys(t, function(k) return k == "c" end)
assert.is.same(f, {"c"})
end)
end)
describe("table.hasitem", function()
it("exist", function()
local t = {"a", "b", c = "c"}
local f = gtable.hasitem(t, "c")
assert.is.equal(f, "c")
end)
it("nil", function()
local t = {"a", "b"}
local f = gtable.hasitem(t, "c")
assert.is.equal(f, nil)
end)
end)
describe("table.join", function()
it("nil argument", function()
local t = gtable.join({"a"}, nil, {"b"})
assert.is.same(t, {"a", "b"})
end)
end)
end)