feat: add basic test

Author: MikaAK

config/config.exs

@@ -0,0 +1,9 @@
+import Config
+
+config :factory_ex, FactoryExTest.MyRepo,
+  username: System.get_env("POSTGRES_USER") || "postgres",
+  password: System.get_env("POSTGRES_PASSWORD") || "postgres",
+  database: "factory_ex_test",
+  hostname: "localhost",
+  pool: Ecto.Adapters.SQL.Sandbox,
+  pool_size: String.to_integer(System.get_env("POSTGRES_POOL_SIZE", "10"))

lib/factory_ex.ex

@@ -40,7 +40,7 @@ defmodule FactoryEx do
   def build_params(module, params) do
     params
     |> module.build()
-    |> SharedUtils.Map.deep_struct_to_map()
+    |> FactoryEx.Utils.deep_struct_to_map()
   end
 
   @doc """

lib/factory_ex/utils.ex

@@ -0,0 +1,33 @@
+defmodule FactoryEx.Utils do
+  @struct_fields [:__meta__]
+  @whitelisted_modules [DateTime]
+
+  @doc """
+  Changes structs into maps all the way down, excluding
+  things like DateTime.
+  """
+  @spec deep_struct_to_map(any) :: any
+  def deep_struct_to_map(%module{} = struct) when module in @whitelisted_modules do
+    struct
+  end
+
+  def deep_struct_to_map(struct) when is_struct(struct) do
+    struct
+    |> Map.from_struct()
+    |> Map.drop(@struct_fields)
+    |> deep_struct_to_map()
+  end
+
+  def deep_struct_to_map(map) when is_map(map) do
+    Map.new(map, fn {k, v} -> {k, deep_struct_to_map(v)} end)
+  end
+
+  def deep_struct_to_map(list) when is_list(list) do
+    Enum.map(list, &deep_struct_to_map/1)
+  end
+
+  def deep_struct_to_map(elem) do
+    elem
+  end
+
+end

mix.exs

@@ -25,8 +25,9 @@ defmodule FactoryEx.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
-      # {:dep_from_hexpm, "~> 0.3.0"},
-      # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"}
+      {:ecto, "~> 3.0", only: [:test, :dev], optional: true},
+      {:ecto_sql, "~> 3.0", only: [:test, :dev], optional: true},
+      {:postgrex, "~> 0.16", only: [:test, :dev], optional: true}
     ]
   end
 

mix.lock

@@ -0,0 +1,9 @@
+%{
+  "connection": {:hex, :connection, "1.1.0", "ff2a49c4b75b6fb3e674bfc5536451607270aac754ffd1bdfe175abe4a6d7a68", [:mix], [], "hexpm", "722c1eb0a418fbe91ba7bd59a47e28008a189d47e37e0e7bb85585a016b2869c"},
+  "db_connection": {:hex, :db_connection, "2.4.2", "f92e79aff2375299a16bcb069a14ee8615c3414863a6fef93156aee8e86c2ff3", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "4fe53ca91b99f55ea249693a0229356a08f4d1a7931d8ffa79289b145fe83668"},
+  "decimal": {:hex, :decimal, "2.0.0", "a78296e617b0f5dd4c6caf57c714431347912ffb1d0842e998e9792b5642d697", [:mix], [], "hexpm", "34666e9c55dea81013e77d9d87370fe6cb6291d1ef32f46a1600230b1d44f577"},
+  "ecto": {:hex, :ecto, "3.8.1", "35e0bd8c8eb772e14a5191a538cd079706ecb45164ea08a7523b4fc69ab70f56", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f1b68f8d5fe3ab89e24f57c03db5b5d0aed3602077972098b3a6006a1be4b69b"},
+  "ecto_sql": {:hex, :ecto_sql, "3.8.1", "1acaaba32ca0551fd19e492fc7c80414e72fc1a7140fc9395aaa53c2e8629798", [:mix], [{:db_connection, "~> 2.5 or ~> 2.4.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.8.1", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.6.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0 or ~> 0.16.0 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ba7fc75882edce6f2ceca047315d5db27ead773cafea47f1724e35f1e7964525"},
+  "postgrex": {:hex, :postgrex, "0.16.3", "fac79a81a9a234b11c44235a4494d8565303fa4b9147acf57e48978a074971db", [:mix], [{:connection, "~> 1.1", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "aeaae1d2d1322da4e5fe90d241b0a564ce03a3add09d7270fb85362166194590"},
+  "telemetry": {:hex, :telemetry, "1.1.0", "a589817034a27eab11144ad24d5c0f9fab1f58173274b1e9bae7074af9cbee51", [:rebar3], [], "hexpm", "b727b2a1f75614774cff2d7565b64d0dfa5bd52ba517f16543e6fc7efcc0df48"},
+}

test/factory_ex_test.exs

@@ -2,7 +2,53 @@ defmodule FactoryExTest do
   use ExUnit.Case
   doctest FactoryEx
 
-  test "greets the world" do
-    assert FactoryEx.hello() == :world
+  defmodule MyRepo do
+    @moduledoc false
+    use Ecto.Repo,
+      otp_app: :my_repo,
+      adapter: Ecto.Adapters.Postgres
+  end
+
+  defmodule MySchema do
+    use Ecto.Schema
+    import Ecto.Changeset
+
+    schema "my_schmeas" do
+      field :foo, :integer
+      field :bar, :integer
+    end
+
+    @required_params [:foo, :bar]
+
+    def changeset(%__MODULE__{} = user, attrs \\ %{}) do
+      user
+        |> cast(attrs, @required_params)
+        |> validate_required(@required_params)
+    end
+  end
+
+  defmodule TestFactory do
+    @behaviour FactoryEx
+
+    def schema, do: MySchema
+
+    def repo, do: MyRepo
+
+    def build(params \\ %{}) do
+      default = %{
+        foo: 21,
+        bar: 42
+      }
+
+      Map.merge(default, params)
+    end
+  end
+
+  test "can generate a factory" do
+    # assert %MySchema{foo: 21, bar: 42} = FactoryEx.insert!(TestFactory)
+    # assert %MySchema{foo: 21, bar: 10} = FactoryEx.insert!(TestFactory, bar: 10)
+
+    assert %{foo: 21, bar: 42} = TestFactory.build()
+    assert %{foo: 21, bar: 10} = TestFactory.build(%{bar: 10})
   end
 end