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local stub = require "luassert.stub"
local spy = require "luassert.spy"
local match = require "luassert.match"
local stub = require "luassert.stub"
local fs = require "mason-core.fs"
local a = require "mason-core.async"
local path = require "mason-core.path"
local installer = require "mason-core.installer"
local InstallContext = require "mason-core.installer.context"
local function timestamp()
local seconds, microseconds = vim.loop.gettimeofday()
return (seconds * 1000) + math.floor(microseconds / 1000)
end
describe("installer", function()
before_each(function()
package.loaded["dummy_package"] = nil
end)
it(
"should call installer",
async_test(function()
spy.on(fs.async, "mkdirp")
spy.on(fs.async, "rename")
local handle = InstallHandleGenerator "dummy"
spy.on(handle.package.spec, "install")
local result = installer.execute(handle, {})
assert.is_nil(result:err_or_nil())
assert.spy(handle.package.spec.install).was_called(1)
assert.spy(handle.package.spec.install).was_called_with(match.instanceof(InstallContext))
assert.spy(fs.async.mkdirp).was_called_with(path.package_build_prefix "dummy")
assert.spy(fs.async.rename).was_called_with(path.package_build_prefix "dummy", path.package_prefix "dummy")
end)
)
it(
"should return failure if installer errors",
async_test(function()
spy.on(fs.async, "rmrf")
spy.on(fs.async, "rename")
local installer_fn = spy.new(function()
error("something went wrong. don't try again.", 0)
end)
local handler = InstallHandleGenerator "dummy"
stub(handler.package.spec, "install")
handler.package.spec.install.invokes(installer_fn)
local result = installer.execute(handler, {})
assert.spy(installer_fn).was_called(1)
assert.is_true(result:is_failure())
assert.equals("something went wrong. don't try again.", result:err_or_nil())
assert.spy(fs.async.rmrf).was_called_with(path.package_build_prefix "dummy")
assert.spy(fs.async.rename).was_not_called()
end)
)
it(
"should write receipt",
async_test(function()
spy.on(fs.async, "write_file")
local handler = InstallHandleGenerator "dummy"
---@param ctx InstallContext
handler.package.spec.install = function(ctx)
ctx.receipt:with_primary_source { type = "source", metadata = {} }
ctx.fs:write_file("target", "script-contents")
ctx:link_bin("executable", "target")
end
installer.execute(handler, {})
assert.spy(fs.async.write_file).was_called_with(
("%s/mason-receipt.json"):format(handler.package:get_install_path()),
match.capture(function(arg)
---@type InstallReceipt
local receipt = vim.json.decode(arg)
assert.equals("dummy", receipt.name)
assert.same({ type = "source", metadata = {} }, receipt.primary_source)
assert.same({}, receipt.secondary_sources)
assert.same("1.1", receipt.schema_version)
assert.same({ bin = { executable = "target" }, share = {} }, receipt.links)
end)
)
end)
)
it(
"should run async functions concurrently",
async_test(function()
spy.on(fs.async, "write_file")
local capture = spy.new()
local start = timestamp()
local handle = InstallHandleGenerator "dummy"
handle.package.spec.install = function(ctx)
capture(installer.run_concurrently {
function()
a.sleep(100)
return installer.context()
end,
function()
a.sleep(100)
return "two"
end,
function()
a.sleep(100)
return "three"
end,
})
ctx.receipt:with_primary_source { type = "dummy" }
end
installer.execute(handle, {})
local stop = timestamp()
local grace_ms = 25
assert.is_true((stop - start) >= (100 - grace_ms))
assert.spy(capture).was_called_with(match.instanceof(InstallContext), "two", "three")
end)
)
it(
"should write log files if debug is true",
async_test(function()
spy.on(fs.async, "write_file")
local handle = InstallHandleGenerator "dummy"
stub(handle.package.spec, "install", function(ctx)
ctx.stdio_sink.stdout "Hello stdout!\n"
ctx.stdio_sink.stderr "Hello "
ctx.stdio_sink.stderr "stderr!"
ctx.receipt:with_primary_source { type = "unmanaged" }
end)
installer.execute(handle, { debug = true })
assert
.spy(fs.async.write_file)
.was_called_with(path.package_prefix "dummy/mason-debug.log", "Hello stdout!\nHello stderr!")
end)
)
end)
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