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local stub = require "luassert.stub"
local match = require "luassert.match"
local std = require "mason-core.managers.std"
local path = require "mason-core.path"
local pip3 = require "mason-core.managers.pip3"
local registry = require "mason-registry"
describe("installer", function()
---@module "mason-core.platform"
local platform
before_each(function()
package.loaded["mason-core.installer.platform"] = nil
package.loaded["mason-core.installer.context"] = nil
platform = require "mason-core.platform"
end)
it("should write shell exec wrapper on Unix", function()
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx.fs, "write_file")
stub(std, "chmod")
ctx:write_shell_exec_wrapper("my-executable", "bash -c 'echo $GREETING'", {
GREETING = "Hello World!",
})
assert.spy(ctx.fs.write_file).was_called(1)
assert.spy(ctx.fs.write_file).was_called_with(
match.is_ref(ctx.fs),
"my-executable",
[[#!/bin/bash
export GREETING="Hello World!"
exec bash -c 'echo $GREETING' "$@"]]
)
end)
it("should write shell exec wrapper on Windows", function()
platform.is_mac = false
platform.is_unix = false
platform.is_linux = false
platform.is_win = true
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx.fs, "write_file")
stub(std, "chmod")
ctx:write_shell_exec_wrapper("my-executable", "cmd.exe /C echo %GREETING%", {
GREETING = "Hello World!",
})
assert.spy(ctx.fs.write_file).was_called(1)
assert.spy(ctx.fs.write_file).was_called_with(
match.is_ref(ctx.fs),
"my-executable.cmd",
[[@ECHO off
SET GREETING=Hello World!
cmd.exe /C echo %GREETING% %*]]
)
end)
it("should write Node exec wrapper", function()
local js_rel_path = path.concat { "some", "obscure", "path", "server.js" }
local dummy = registry.get_package "dummy"
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx, "write_shell_exec_wrapper")
stub(ctx.fs, "file_exists")
ctx.fs.file_exists.on_call_with(match.is_ref(ctx.fs), js_rel_path).returns(true)
ctx:write_node_exec_wrapper("my-wrapper-script", js_rel_path)
assert.spy(ctx.write_shell_exec_wrapper).was_called(1)
assert.spy(ctx.write_shell_exec_wrapper).was_called_with(
match.is_ref(ctx),
"my-wrapper-script",
("node %q"):format(path.concat { dummy:get_install_path(), js_rel_path })
)
end)
it("should not write Node exec wrapper if the target script doesn't exist", function()
local js_rel_path = path.concat { "some", "obscure", "path", "server.js" }
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx, "write_shell_exec_wrapper")
stub(ctx.fs, "file_exists")
ctx.fs.file_exists.on_call_with(match.is_ref(ctx.fs), js_rel_path).returns(false)
local err = assert.has_error(function()
ctx:write_node_exec_wrapper("my-wrapper-script", js_rel_path)
end)
assert.equals(
[[Cannot write Node exec wrapper for path "some/obscure/path/server.js" as it doesn't exist.]],
err
)
assert.spy(ctx.write_shell_exec_wrapper).was_called(0)
end)
it("should write Python exec wrapper", function()
local dummy = registry.get_package "dummy"
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx.cwd, "get")
ctx.cwd.get.returns "/tmp/placeholder"
stub(ctx, "write_shell_exec_wrapper")
stub(ctx.spawn, "python")
ctx:write_pyvenv_exec_wrapper("my-wrapper-script", "my-module")
assert.spy(ctx.write_shell_exec_wrapper).was_called(1)
assert.spy(ctx.write_shell_exec_wrapper).was_called_with(
match.is_ref(ctx),
"my-wrapper-script",
("%q -m my-module"):format(path.concat { pip3.venv_path(dummy:get_install_path()), "python" })
)
end)
it("should not write Python exec wrapper if module cannot be found", function()
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx.cwd, "get")
ctx.cwd.get.returns "/tmp/placeholder"
stub(ctx, "write_shell_exec_wrapper")
stub(ctx.spawn, "python")
ctx.spawn.python.invokes(function()
error ""
end)
local err = assert.has_error(function()
ctx:write_pyvenv_exec_wrapper("my-wrapper-script", "my-module")
end)
assert.equals([[Cannot write Python exec wrapper for module "my-module" as it doesn't exist.]], err)
assert.spy(ctx.write_shell_exec_wrapper).was_called(0)
end)
it("should write exec wrapper", function()
local dummy = registry.get_package "dummy"
local exec_rel_path = path.concat { "obscure", "path", "to", "server" }
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx, "write_shell_exec_wrapper")
stub(ctx.fs, "file_exists")
ctx.fs.file_exists.on_call_with(match.is_ref(ctx.fs), exec_rel_path).returns(true)
ctx:write_exec_wrapper("my-wrapper-script", exec_rel_path)
assert.spy(ctx.write_shell_exec_wrapper).was_called(1)
assert
.spy(ctx.write_shell_exec_wrapper)
.was_called_with(
match.is_ref(ctx),
"my-wrapper-script",
("%q"):format(path.concat { dummy:get_install_path(), exec_rel_path })
)
end)
it("should not write exec wrapper if target executable doesn't exist", function()
local exec_rel_path = path.concat { "obscure", "path", "to", "server" }
local handle = InstallHandleGenerator "dummy"
local ctx = InstallContextGenerator(handle)
stub(ctx, "write_shell_exec_wrapper")
stub(ctx.fs, "file_exists")
ctx.fs.file_exists.on_call_with(match.is_ref(ctx.fs), exec_rel_path).returns(false)
local err = assert.has_error(function()
ctx:write_exec_wrapper("my-wrapper-script", exec_rel_path)
end)
assert.equals([[Cannot write exec wrapper for path "obscure/path/to/server" as it doesn't exist.]], err)
assert.spy(ctx.write_shell_exec_wrapper).was_called(0)
end)
end)
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