defmodule YmlrTest do
  use ExUnit.Case
  doctest Ymlr

  alias Ymlr, as: MUT

  describe "document/2" do

    test "with comment" do
      assert MUT.document!({"comment", %{a: 1}}) == "---\n# comment\na: 1\n"
    end

    test "with comments" do
      assert MUT.document!({["line 1", "line 2"], %{a: 1}}) == "---\n# line 1\n# line 2\na: 1\n"
    end

    test "no comment" do
      assert MUT.document!({[], %{a: 1}}) == "---\na: 1\n"
      assert MUT.document!(%{a: 1}) == "---\na: 1\n"
    end

    test "k8s resource" do
      {:ok, input} = YamlElixir.read_from_file("test_support/fixtures/iam_policy.yaml")

      output = """
      ---
      apiVersion: iam.cnrm.cloud.google.com/v1beta1
      kind: IAMPolicy
      metadata:
        annotations:
          cnrm.cloud.google.com/deletion-policy: abandon
        name: sa-testing-cc-iampolicy
      spec:
        bindings:
          - members:
              - user:test@example.com
            role: roles/iam.serviceAccountUser
        resourceRef:
          apiVersion: iam.cnrm.cloud.google.com/v1beta1
          kind: IAMServiceAccount
          name: testing-cc
      """

      assert MUT.document!(input) == output
    end
  end

  describe "documents/1" do

    test "single" do
      assert MUT.documents!([%{a: 1}]) == """
      ---
      a: 1
      """
    end

    test "multiple" do
      assert MUT.documents!([%{a: 1}, %{b: 2}]) == """
      ---
      a: 1

      ---
      b: 2
      """
    end
  end

end