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Code.require_file("../test_helper.exs", __DIR__)
defmodule Mix.ProjectTest do
use MixTest.Case
defmodule SampleProject do
def project do
[app: :sample, hello: "world"]
end
end
test "consolidation_path/1" do
config = [apps_path: "apps", build_per_environment: true]
assert Mix.Project.consolidation_path(config) ==
Path.join(File.cwd!(), "_build/dev/consolidated")
config = [app: :sample, build_per_environment: true]
assert Mix.Project.consolidation_path(config) ==
Path.join(File.cwd!(), "_build/dev/lib/sample/consolidated")
end
describe "build_path/1" do
test "considers the environment" do
assert Mix.Project.build_path(build_per_environment: true) ==
Path.join(File.cwd!(), "_build/dev")
assert Mix.Project.build_path(build_per_environment: false) ==
Path.join(File.cwd!(), "_build/shared")
end
test "considers the target" do
Mix.target(:rpi3)
assert Mix.Project.build_path(build_per_environment: true) ==
Path.join(File.cwd!(), "_build/rpi3_dev")
assert Mix.Project.build_path(build_per_environment: false) ==
Path.join(File.cwd!(), "_build/rpi3_shared")
end
test "considers MIX_BUILD_PATH" do
System.put_env("MIX_BUILD_PATH", "_build")
assert Mix.Project.build_path() == "_build"
after
System.delete_env("MIX_BUILD_PATH")
end
test "considers MIX_BUILD_ROOT" do
System.put_env("MIX_BUILD_ROOT", "_build_root")
assert Mix.Project.build_path() == Path.join(File.cwd!(), "_build_root/dev")
after
System.delete_env("MIX_BUILD_ROOT")
end
test "considers MIX_DEPS_PATH" do
System.put_env("MIX_DEPS_PATH", "test_deps_path")
assert Mix.Project.deps_path() == Path.join(File.cwd!(), "test_deps_path")
after
System.delete_env("MIX_DEPS_PATH")
end
end
test "push and pop projects" do
refute Mix.Project.get()
Mix.Project.push(SampleProject, "sample")
assert Mix.Project.get() == SampleProject
assert %{name: SampleProject, config: _, file: "sample"} = Mix.Project.pop()
assert Mix.Project.pop() == nil
end
test "does not allow the same project to be pushed twice" do
Mix.Project.push(SampleProject, "sample")
assert_raise Mix.Error, ~r/Mix.ProjectTest.SampleProject from "another"/, fn ->
Mix.Project.push(SampleProject, "another")
end
end
test "allows nil projects to be pushed twice" do
Mix.Project.push(nil)
Mix.Project.push(nil)
assert is_map(Mix.Project.pop())
assert is_map(Mix.Project.pop())
assert is_nil(Mix.Project.pop())
end
test "retrieves configuration from projects" do
Mix.Project.push(SampleProject)
assert Mix.Project.config()[:hello] == "world"
end
test "removes private configuration" do
Mix.Project.push(SampleProject)
assert is_nil(Mix.Project.config()[:app_path])
end
test "retrieves configuration even when a project is not set" do
assert Mix.Project.config()[:default_task] == "run"
end
test "raises an error when trying to retrieve the current project but none is set" do
assert_raise Mix.NoProjectError, fn ->
Mix.Project.get!()
end
end
test "builds the project structure" do
in_fixture("archive", fn ->
config = [app_path: Path.expand("_build/archive")]
assert Mix.Project.build_structure(config) == :ok
assert File.dir?("_build/archive/ebin")
assert_proj_dir_linked_or_copied("_build/archive/priv", "priv", '../../priv')
end)
end
test "builds the project structure without symlinks" do
in_fixture("archive", fn ->
config = [app_path: Path.expand("_build/archive"), build_embedded: true]
assert Mix.Project.build_structure(config) == :ok
assert File.dir?("_build/archive/ebin")
assert {:error, _} = :file.read_link("_build/archive/ebin")
end)
end
test "builds the project structure with symlinks" do
in_fixture("archive", fn ->
config = [app_path: Path.expand("_build/archive")]
File.mkdir_p!("include")
assert Mix.Project.build_structure(config, symlink_ebin: true) == :ok
assert_proj_dir_linked_or_copied("_build/archive/ebin", "ebin", '../../ebin')
assert_proj_dir_linked_or_copied("_build/archive/priv", "priv", '../../priv')
assert_proj_dir_linked_or_copied("_build/archive/include", "include", '../../include')
assert Mix.Project.build_structure(config) == :ok
assert File.dir?("_build/archive/ebin")
assert_proj_dir_linked_or_copied("_build/archive/priv", "priv", '../../priv')
end)
end
test "in_project pushes given configuration", context do
in_tmp(context.test, fn ->
result =
Mix.Project.in_project(:foo, ".", [hello: :world], fn _ ->
assert Mix.Project.config()[:app] == :foo
assert Mix.Project.config()[:hello] == :world
:result
end)
assert result == :result
end)
end
test "in_project prints nice error message if fails to load file", context do
in_tmp(context.test, fn ->
File.write("mix.exs", """
raise "oops"
""")
assert_raise RuntimeError, "oops", fn ->
Mix.Project.in_project(:hello, ".", [], fn _ ->
:ok
end)
end
assert_receive {:mix_shell, :error, ["Error while loading project :hello at" <> _]}
end)
end
defp assert_proj_dir_linked_or_copied(source, target, symlink_path) do
case :file.read_link(source) do
{:ok, path} ->
case :os.type() do
# relative symlink on Windows are broken, see symlink_or_copy/2
{:win32, _} ->
assert path ==
[source, '..', symlink_path]
|> Path.join()
|> Path.expand()
|> String.to_charlist()
_ ->
assert path == symlink_path
end
{:error, _} ->
assert File.ls!(source) == File.ls!(target)
end
end
end
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