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-- Import the library that contains the environment-related functions
local system = require("system")
require("spec.helpers")
describe("Environment Variables:", function()
describe("setenv()", function()
it("should set an environment variable", function()
assert.is_true(system.setenv("TEST_VAR", "test_value"))
assert.is_equal("test_value", system.getenv("TEST_VAR"))
end)
-- Windows will unset a variable if set as an empty string
nix_it("should set an empty environment variable value", function()
assert.is_true(system.setenv("TEST_VAR", ""))
assert.is_equal("", system.getenv("TEST_VAR"))
end)
it("should unset an environment variable on nil", function()
assert.is_true(system.setenv("TEST_VAR", "test_value"))
assert.is_equal("test_value", system.getenv("TEST_VAR"))
assert.is_true(system.setenv("TEST_VAR", nil))
assert.is_nil(system.getenv("TEST_VAR"))
end)
it("should error on input bad type", function()
assert.has_error(function()
system.setenv("TEST_VAR", {})
end)
assert.has_error(function()
system.setenv({}, "test_value")
end)
end)
it("should return success on deleting a variable that doesn't exist", function()
if system.getenv("TEST_VAR") ~= nil then
-- clear if it was already set
assert.is_true(system.setenv("TEST_VAR", nil))
end
assert.is_true(system.setenv("TEST_VAR", nil)) -- clear again shouldn't fail
end)
end)
describe("getenvs()", function()
it("should list environment variables", function()
assert.is_true(system.setenv("TEST_VAR1", nil))
assert.is_true(system.setenv("TEST_VAR2", nil))
assert.is_true(system.setenv("TEST_VAR3", nil))
local envVars1 = system.getenvs()
assert.is_true(system.setenv("TEST_VAR1", "test_value1"))
assert.is_true(system.setenv("TEST_VAR2", "test_value2"))
assert.is_true(system.setenv("TEST_VAR3", "test_value3"))
local envVars2 = system.getenvs()
assert.is_true(system.setenv("TEST_VAR1", nil))
assert.is_true(system.setenv("TEST_VAR2", nil))
assert.is_true(system.setenv("TEST_VAR3", nil))
for k,v in pairs(envVars1) do
envVars2[k] = nil
end
assert.are.same({
TEST_VAR1 = "test_value1",
TEST_VAR2 = "test_value2",
TEST_VAR3 = "test_value3",
}, envVars2)
end)
end)
end)
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