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https://github.com/hissssst/mix_tester

Tiny tool to automate mix project's testing
https://github.com/hissssst/mix_tester

Last synced: 2 months ago
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Tiny tool to automate mix project's testing

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README

          

# MixTester

Tiny project for testing mix tasks and anything related to project management and code generation tooling

## Features

* Real mix project management experience with `new` flags and other stuff
* Application env configuration
* Dependency list and other mix.exs configuration
* Handy and simple helpers for common commands
* ExUnit's async friendly

## Usage

```elixir
defmodule AwesomeTask do
use ExUnit.Case, async: true

setup do
deps = [ {:awesome_task, path: File.cwd!()} ]
configuration = %{{:awesome_task, :year} => 2007}

# Creates project with `mix new my_project --sup`
# Which has `awesome_task` as a dependency
# And configuration where `config.exs` has
project =
MixTester.setup(
name: "my_project",
new: "--sup",
application_env: %{
"config" => configuration
},
project: [
deps: deps
]
)

# Creates the test file
MixTester.write_ast(project, "test/my_project_test.exs", quote do
defmodule MyProjectTest do
use ExUnit.Case, async: true

test "Just works" do
assert 2007 == AwesomeModule.what_year_is_today()
end
end
end)

# Cleanup the tmp dir
on_exit(fn -> MixTester.cleanup(project) end)
{:ok, project: project}
end

test "My awesome task", %{project: project} do
# Run the task we are testing
assert {_, 0} = MixTester.mix_cmd(project, "awesome")

# Run the test written above and check if it's run successfully
assert {_, 0} = MixTester.mix_cmd(project, "test")
end
end
```

Check out the documentation for more practical use cases:
https://hexdocs.pm/mix_tester

## Installation

```elixir
def deps do
[
{:mix_tester, "~> 1.0"}
]
end
```