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Testcontainers is an Elixir library that supports ExUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
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lib/util/properties.ex
defmodule Testcontainers.Util.PropertiesParser do
@moduledoc false
@file_path "~/.testcontainers.properties"
def read_property_file(file_path \\ @file_path) do
if File.exists?(Path.expand(file_path)) do
with {:ok, content} <- File.read(Path.expand(file_path)),
properties <- parse_properties(content) do
{:ok, properties}
else
error ->
{:error, properties: error}
end
else
{:ok, %{}} # return empty map if file does not exist
end
end
defp parse_properties(content) do
content
|> String.split("\n")
|> Enum.map(&String.trim/1)
|> Enum.reject(&(&1 == "" or String.starts_with?(&1, "#")))
|> Enum.flat_map(&extract_key_value_pair/1)
|> Enum.into(%{})
end
defp extract_key_value_pair(line) do
case String.split(line, "=", parts: 2) do
[key, value] when is_binary(value) ->
[{String.trim(key), String.trim(value)}]
_other ->
[]
end
end
end