Consolidate completely stateless tests into doctests

Removing dupes

test/last_fm/session_test.exs

@@ -1,26 +1,5 @@
 defmodule LastFm.SessionTest do
   use ExUnit.Case, async: true
 
-  alias LastFm.Session
-
   doctest LastFm.Session
-
-  @xml """
-  <?xml version="1.0" encoding="UTF-8"?>
-  <lfm status="ok">
-    <session>
-      <name>cloud8421</name>
-      <key>super-secret</key>
-      <subscriber>1</subscriber>
-    </session>
-  </lfm>
-  """
-
-  test "parse/1" do
-    assert %Session{
-             name: "cloud8421",
-             key: "super-secret",
-             pro: true
-           } == Session.parse(@xml)
-  end
 end

test/music_brainz/release_search_result_test.exs

@@ -1,79 +1,5 @@
 defmodule MusicBrainz.ReleaseSearchResultTest do
   use ExUnit.Case, async: true
 
-  alias MusicBrainz.ReleaseSearchResult
-
-  @single_cd %MusicBrainz.ReleaseSearchResult{
-    id: "dc393148-be34-4056-be66-b2b95905c5c1",
-    title: "Equally Cursed and Blessed",
-    release_group: %{
-      id: "c35fc446-65cc-3645-939b-1b3782e60639",
-      type: :album,
-      title: "Equally Cursed and Blessed"
-    },
-    artists: "Catatonia",
-    date: "1999-04-12",
-    barcode: "639842709422",
-    media: [%{format: "CD", disc_count: 5, track_count: 11}]
-  }
-
-  @double_cd %MusicBrainz.ReleaseSearchResult{
-    id: "51ebc32b-d21f-4466-9297-94b6a3e0e6ba",
-    title: "Rock in Rio",
-    release_group: %{
-      id: "ea6dac58-887a-35a8-86ff-08c56e6bf047",
-      type: :album,
-      title: "Rock in Rio"
-    },
-    artists: "Iron Maiden",
-    date: "2002-03-21",
-    barcode: "724353864309",
-    media: [
-      %{format: "CD", disc_count: 1, track_count: 10},
-      %{format: "CD", disc_count: 1, track_count: 9}
-    ]
-  }
-
-  @single_vinyl %MusicBrainz.ReleaseSearchResult{
-    id: "3af1f610-9df1-4a48-8874-78cd64e25888",
-    title: "Somewhere in Time",
-    release_group: %{
-      id: "a5fe4d2d-3aab-3e86-91ad-22a3fe16c4f2",
-      type: :album,
-      title: "Somewhere in Time"
-    },
-    artists: "Iron Maiden",
-    date: "1986-09-29",
-    barcode: "5099924059718",
-    media: [%{format: "12\" Vinyl", disc_count: 0, track_count: 8}]
-  }
-
-  @multi %MusicBrainz.ReleaseSearchResult{
-    id: "804e4781-bc17-496e-8abd-d61c7173391c",
-    title: "Live With the Plovdiv Psychotic Symphony",
-    release_group: %{
-      id: "887898c3-ef40-4162-88d3-1fbc58ee2d09",
-      type: :album,
-      title: "Live With the Plovdiv Psychotic Symphony"
-    },
-    artists: "Sons of Apollo, Пловдивска филхармония",
-    date: "2019-08-30",
-    barcode: "190759669228",
-    media: [
-      %{format: "CD", disc_count: 0, track_count: 11},
-      %{format: "CD", disc_count: 1, track_count: 10},
-      %{format: "CD", disc_count: 0, track_count: 3},
-      %{format: "DVD-Video", disc_count: 0, track_count: 22},
-      %{format: "Blu-ray", disc_count: 0, track_count: 42}
-    ]
-  }
-
-  describe "format/1" do
-    test "it returns the format of the release" do
-      assert ReleaseSearchResult.format(@single_cd) == :cd
-      assert ReleaseSearchResult.format(@single_vinyl) == :vinyl
-      assert ReleaseSearchResult.format(@double_cd) == :cd
-      assert ReleaseSearchResult.format(@multi) == :multi
-    end
-  end
+  doctest MusicBrainz.ReleaseSearchResult
 end

test/music_library/country_test.exs

@@ -1,39 +1,5 @@
 defmodule MusicLibrary.CountryTest do
   use ExUnit.Case, async: true
 
-  alias MusicLibrary.Country
-
-  describe "to_emoji/1" do
-    test "converts alpha-2 codes" do
-      assert Country.to_emoji("US") == "🇺🇸"
-      assert Country.to_emoji("PL") == "🇵🇱"
-      assert Country.to_emoji("GB") == "🇬🇧"
-    end
-
-    test "is case insensitive" do
-      assert Country.to_emoji("us") == "🇺🇸"
-      assert Country.to_emoji("pl") == "🇵🇱"
-    end
-
-    test "converts subdivision codes" do
-      assert Country.to_emoji("GB-SCT") == "🏴󠁧󠁢󠁳󠁣󠁴󠁿"
-      assert Country.to_emoji("GB-WLS") == "🏴󠁧󠁢󠁷󠁬󠁳󠁿"
-      assert Country.to_emoji("GB-ENG") == "🏴󠁧󠁢󠁥󠁮󠁧󠁿"
-    end
-
-    test "maps GB-CYM to GB-WLS" do
-      assert Country.to_emoji("GB-CYM") == Country.to_emoji("GB-WLS")
-    end
-
-    test "converts alpha-3 codes" do
-      assert Country.to_emoji("USA") == "🇺🇸"
-      assert Country.to_emoji("GBR") == "🇬🇧"
-      assert Country.to_emoji("POL") == "🇵🇱"
-    end
-
-    test "converts IETF language tags" do
-      assert Country.to_emoji("en-US") == "🇺🇸"
-      assert Country.to_emoji("pl-PL") == "🇵🇱"
-    end
-  end
+  doctest MusicLibrary.Country
 end

test/music_library_web/duration_test.exs

@@ -0,0 +1,5 @@
+defmodule MusicLibraryWeb.DurationTest do
+  use ExUnit.Case, async: true
+
+  doctest MusicLibraryWeb.Duration
+end