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local InstallContext = require "mason-core.installer.context"
local Result = require "mason-core.result"
local a = require "mason-core.async"
local fs = require "mason-core.fs"
local installer = require "mason-core.installer"
local match = require "luassert.match"
local path = require "mason-core.path"
local spy = require "luassert.spy"
local stub = require "luassert.stub"
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.source, "install")
local result = installer.execute(handle, {})
assert.is_nil(result:err_or_nil())
assert.spy(handle.package.spec.source.install).was_called(1)
assert
.spy(handle.package.spec.source.install)
.was_called_with(match.instanceof(InstallContext), match.is_table())
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.source, "install", 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 handle = InstallHandleGenerator "dummy"
stub(handle.package.spec.source, "install", function(ctx)
ctx.fs:write_file("target", "")
ctx.fs:write_file("file.jar", "")
ctx.fs:write_file("opt-cmd", "")
end)
handle.package.spec.bin = {
["executable"] = "target",
}
handle.package.spec.share = {
["package/file.jar"] = "file.jar",
}
handle.package.spec.opt = {
["package/bin/opt-cmd"] = "opt-cmd",
}
installer.execute(handle, {})
handle.package.spec.bin = {}
handle.package.spec.share = {}
handle.package.spec.opt = {}
assert.spy(fs.async.write_file).was_called_with(
("%s/mason-receipt.json"):format(handle.package:get_install_path()),
match.capture(function(arg)
---@type InstallReceipt
local receipt = vim.json.decode(arg)
assert.is_true(match.tbl_containing {
name = "dummy",
source = match.same {
type = handle.package.spec.schema,
id = handle.package.spec.source.id,
},
schema_version = "1.2",
metrics = match.is_table(),
links = match.same {
bin = { executable = "target" },
share = { ["package/file.jar"] = "file.jar" },
opt = { ["package/bin/opt-cmd"] = "opt-cmd" },
},
}(receipt))
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"
stub(handle.package.spec.source, "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,
})
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.source, "install", function(ctx)
ctx.stdio_sink.stdout "Hello stdout!\n"
ctx.stdio_sink.stderr "Hello "
ctx.stdio_sink.stderr "stderr!"
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)
)
it(
"should raise spawn errors in strict mode",
async_test(function()
local handle = InstallHandleGenerator "dummy"
stub(handle.package.spec.source, "install", function(ctx)
ctx.spawn.bash { "-c", "exit 42" }
end)
local result = installer.execute(handle, { debug = true })
assert.same(
Result.failure {
exit_code = 42,
signal = 0,
},
result
)
assert.equals("spawn: bash failed with exit code 42 and signal 0. ", tostring(result:err_or_nil()))
end)
)
it(
"should lock package",
async_test(function()
local handle = InstallHandleGenerator "dummy"
local callback = spy.new()
stub(handle.package.spec.source, "install", function()
a.sleep(3000)
end)
a.run(function()
return installer.execute(handle, { debug = true })
end, callback)
assert.wait_for(function()
assert.is_true(fs.sync.file_exists(path.package_lock "dummy"))
end)
handle:terminate()
assert.wait_for(function()
assert.spy(callback).was_called(1)
end)
assert.is_false(fs.sync.file_exists(path.package_lock "dummy"))
end)
)
it(
"should not run installer if package lock exists",
async_test(function()
local handle = InstallHandleGenerator "dummy"
local install = spy.new()
stub(handle.package.spec.source, "install", install)
fs.sync.write_file(path.package_lock "dummy", "dummypid")
local result = installer.execute(handle, { debug = true })
assert.is_true(fs.sync.file_exists(path.package_lock "dummy"))
fs.sync.unlink(path.package_lock "dummy")
assert.spy(install).was_not_called()
assert.equals(
"Lockfile exists, installation is already running in another process (pid: dummypid). Run with :MasonInstall --force to bypass.",
result:err_or_nil()
)
end)
)
end)
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