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local spy = require "luassert.spy"
local match = require "luassert.match"
local fs = require "nvim-lsp-installer.core.fs"
local a = require "nvim-lsp-installer.core.async"
local installer = require "nvim-lsp-installer.core.installer"
local InstallContext = require "nvim-lsp-installer.core.installer.context"
local process = require "nvim-lsp-installer.process"
local Optional = require "nvim-lsp-installer.core.optional"
local function timestamp()
local seconds, microseconds = vim.loop.gettimeofday()
return (seconds * 1000) + math.floor(microseconds / 1000)
end
describe("installer", function()
it(
"should call installer",
async_test(function()
spy.on(fs, "mkdirp")
spy.on(fs, "rename")
local installer_fn = spy.new(
---@param c InstallContext
function(c)
c.receipt:with_primary_source(c.receipt.npm "the-pkg")
end
)
local destination_dir = ("%s/installer_spec"):format(os.getenv "INSTALL_ROOT_DIR")
local ctx = InstallContext.new {
name = "installer_spec_success",
destination_dir = destination_dir,
boundary_path = os.getenv "INSTALL_ROOT_DIR",
stdio_sink = process.empty_sink(),
requested_version = Optional.empty(),
}
local result = installer.execute(ctx, function(...)
installer_fn(...)
end)
assert.is_nil(result:err_or_nil())
assert.spy(installer_fn).was_called(1)
assert.spy(installer_fn).was_called_with(match.ref(ctx))
assert.spy(fs.mkdirp).was_called(1)
assert.spy(fs.mkdirp).was_called_with(destination_dir .. ".tmp")
assert.spy(fs.rename).was_called(1)
assert.spy(fs.rename).was_called_with(destination_dir .. ".tmp", destination_dir)
end)
)
it(
"should return failure if installer errors",
async_test(function()
spy.on(fs, "rmrf")
local installer_fn = spy.new(function()
error("something went wrong. don't try again.", 4) -- 4 because spy.new callstack
end)
local destination_dir = ("%s/installer_spec_failure"):format(os.getenv "INSTALL_ROOT_DIR")
local ctx = InstallContext.new {
name = "installer_spec_failure",
destination_dir = destination_dir,
boundary_path = os.getenv "INSTALL_ROOT_DIR",
stdio_sink = process.empty_sink(),
requested_version = Optional.empty(),
}
local result = installer.execute(ctx, function(...)
installer_fn(...)
end)
assert.spy(installer_fn).was_called(1)
assert.spy(installer_fn).was_called_with(match.ref(ctx))
assert.is_true(result:is_failure())
assert.equals("something went wrong. don't try again.", result:err_or_nil())
assert.spy(fs.rmrf).was_called(2)
assert.spy(fs.rmrf).was_called_with(destination_dir .. ".tmp")
assert.spy(fs.rmrf).was_not_called_with(destination_dir)
end)
)
it(
"should write receipt",
async_test(function()
spy.on(fs, "write_file")
local destination_dir = ("%s/installer_spec_receipt"):format(os.getenv "INSTALL_ROOT_DIR")
local ctx = InstallContext.new {
name = "installer_spec_receipt",
destination_dir = destination_dir,
boundary_path = os.getenv "INSTALL_ROOT_DIR",
stdio_sink = process.empty_sink(),
requested_version = Optional.empty(),
}
installer.execute(ctx, function(c)
c.receipt:with_primary_source(c.receipt.npm "my-pkg")
end)
assert.spy(fs.write_file).was_called(1)
assert.spy(fs.write_file).was_called_with(
("%s.tmp/nvim-lsp-installer-receipt.json"):format(destination_dir),
match.is_string()
)
end)
)
it(
"should run async functions concurrently",
async_test(function()
spy.on(fs, "write_file")
local destination_dir = ("%s/installer_spec_concurrent"):format(os.getenv "INSTALL_ROOT_DIR")
local ctx = InstallContext.new {
name = "installer_spec_receipt",
destination_dir = destination_dir,
boundary_path = os.getenv "INSTALL_ROOT_DIR",
stdio_sink = process.empty_sink(),
requested_version = Optional.empty(),
}
local capture = spy.new()
local start = timestamp()
installer.run_installer(ctx, function(c)
capture(c:run_concurrently {
function()
a.sleep(100)
return installer.context()
end,
function()
a.sleep(100)
return "two"
end,
function()
a.sleep(100)
return "three"
end,
})
c.receipt:with_primary_source(c.receipt.npm "my-pkg")
end)
local stop = timestamp()
local grace_ms = 25
assert.is_true((stop - start) >= (100 - grace_ms))
assert.spy(capture).was_called_with(match.is_ref(ctx), "two", "three")
end)
)
end)
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