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local test_env = require("spec.util.test_env")
local testing_paths = test_env.testing_paths
local P = test_env.P
local util = require("luarocks.util")
local core_util = require("luarocks.core.util")
describe("luarocks.util #unit", function()
local runner
lazy_setup(function()
runner = require("luacov.runner")
runner.init(testing_paths.testrun_dir .. "/luacov.config")
end)
lazy_teardown(function()
runner.save_stats()
end)
describe("util.variable_substitutions", function()
it("replaces variables", function()
local t = {
["hello"] = "$(KIND) world",
}
util.variable_substitutions(t, {
["KIND"] = "happy",
})
assert.are.same({
["hello"] = "happy world",
}, t)
end)
it("missing variables are empty", function()
local t = {
["hello"] = "$(KIND) world",
}
util.variable_substitutions(t, {
})
assert.are.same({
["hello"] = " world",
}, t)
end)
end)
describe("util.sortedpairs", function()
local function collect(iter, state, var)
local collected = {}
while true do
local returns = {iter(state, var)}
if returns[1] == nil then
return collected
else
table.insert(collected, returns)
var = returns[1]
end
end
end
it("default sort", function()
assert.are.same({}, collect(util.sortedpairs({})))
assert.are.same({
{1, "v1"},
{2, "v2"},
{3, "v3"},
{"bar", "v5"},
{"foo", "v4"}
}, collect(util.sortedpairs({"v1", "v2", "v3", foo = "v4", bar = "v5"})))
end)
it("sort by function", function()
local function compare(a, b) return a > b end
assert.are.same({}, collect(util.sortedpairs({}, compare)))
assert.are.same({
{3, "v3"},
{2, "v2"},
{1, "v1"}
}, collect(util.sortedpairs({"v1", "v2", "v3"}, compare)))
end)
it("sort by priority table", function()
assert.are.same({}, collect(util.sortedpairs({}, {"k1", "k2"})))
assert.are.same({
{"k3", "v3"},
{"k2", "v2", {"sub order"}},
{"k1", "v1"},
{"k4", "v4"},
{"k5", "v5"},
}, collect(util.sortedpairs({
k1 = "v1", k2 = "v2", k3 = "v3", k4 = "v4", k5 = "v5"
}, {"k3", {"k2", {"sub order"}}, "k1"})))
end)
end)
describe("core.util.show_table", function()
it("returns a pretty-printed string containing the representation of the given table", function()
local result
local t1 = {1, 2, 3}
result = core_util.show_table(t1)
assert.truthy(result:find("[1] = 1", 1, true))
assert.truthy(result:find("[2] = 2", 1, true))
assert.truthy(result:find("[3] = 3", 1, true))
local t2 = {a = 1, b = 2, c = 3}
result = core_util.show_table(t2)
assert.truthy(result:find("[\"a\"] = 1", 1, true))
assert.truthy(result:find("[\"b\"] = 2", 1, true))
assert.truthy(result:find("[\"c\"] = 3", 1, true))
local t3 = {a = 1, b = "2", c = {3}}
result = core_util.show_table(t3)
assert.truthy(result:find("[\"a\"] = 1", 1, true))
assert.truthy(result:find("[\"b\"] = \"2\"", 1, true))
assert.truthy(result:find("[\"c\"] = {", 1, true))
assert.truthy(result:find("[1] = 3", 1, true))
local t4 = {a = 1, b = {c = 2, d = {e = "4"}}}
result = core_util.show_table(t4)
assert.truthy(result:find("[\"a\"] = 1", 1, true))
assert.truthy(result:find("[\"b\"] = {", 1, true))
assert.truthy(result:find("[\"c\"] = 2", 1, true))
assert.truthy(result:find("[\"d\"] = {", 1, true))
assert.truthy(result:find("[\"e\"] = \"4\"", 1, true))
end)
end)
describe("core.util.cleanup_path", function()
it("does not change order of existing items of prepended path", function()
local sys_path = P'/usr/local/bin;/usr/bin'
local lr_path = P'/home/user/.luarocks/bin;/usr/bin'
local path = lr_path .. ';' .. sys_path
local result = core_util.cleanup_path(path, ';', '5.3', false)
assert.are.equal(P'/home/user/.luarocks/bin;/usr/local/bin;/usr/bin', result)
end)
it("does not change order of existing items of appended path", function()
local sys_path = P'/usr/local/bin;/usr/bin'
local lr_path = P'/home/user/.luarocks/bin;/usr/bin'
local path = sys_path .. ';' .. lr_path
local result = core_util.cleanup_path(path, ';', '5.3', true)
assert.are.equal(P'/usr/local/bin;/usr/bin;/home/user/.luarocks/bin', result)
end)
it("rewrites versions that do not match the provided version", function()
local expected = P'a/b/lua/5.3/?.lua;a/b/c/lua/5.3/?.lua'
local result = core_util.cleanup_path(P'a/b/lua/5.2/?.lua;a/b/c/lua/5.3/?.lua', ';', '5.3')
assert.are.equal(expected, result)
end)
it("does not rewrite versions for which the provided version is a substring", function()
local expected = P'a/b/lua/5.3/?.lua;a/b/c/lua/5.3.4/?.lua'
local result = core_util.cleanup_path(P'a/b/lua/5.2/?.lua;a/b/c/lua/5.3.4/?.lua', ';', '5.3')
assert.are.equal(expected, result)
end)
end)
end)
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