tests for emoji mix task

test/fixtures/emoji/packs/default-manifest.json

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+{
+  "finmoji": {
+    "license": "CC BY-NC-ND 4.0",
+    "homepage": "https://finland.fi/emoji/",
+    "description": "Finland is the first country in the world to publish its own set of country themed emojis. The Finland emoji collection contains 56 tongue-in-cheek emotions, which were created to explain some hard-to-describe Finnish emotions, Finnish words and customs.",
+    "src": "https://finland.fi/wp-content/uploads/2017/06/finland-emojis.zip",
+    "src_sha256": "384025A1AC6314473863A11AC7AB38A12C01B851A3F82359B89B4D4211D3291D",
+    "files": "finmoji.json"
+  }
+}

test/fixtures/emoji/packs/finmoji.json

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+{
+  "blank": "blank.png"
+}

test/fixtures/emoji/packs/manifest.json

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+{
+  "blobs.gg": {
+    "src_sha256": "3a12f3a181678d5b3584a62095411b0d60a335118135910d879920f8ade5a57f",
+    "src": "https://git.pleroma.social/pleroma/emoji-index/raw/master/packs/blobs_gg.zip",
+    "license": "Apache 2.0",
+    "homepage": "https://blobs.gg",
+    "files": "blobs_gg.json",
+    "description": "Blob Emoji from blobs.gg repacked as apng"
+  }
+}

test/tasks/emoji_test.exs

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+defmodule Mix.Tasks.Pleroma.EmojiTest do
+  use ExUnit.Case, async: true
+
+  import ExUnit.CaptureIO
+  import Tesla.Mock
+
+  alias Mix.Tasks.Pleroma.Emoji
+
+  describe "ls-packs" do
+    test "with default manifest as url" do
+      mock(fn
+        %{
+          method: :get,
+          url: "https://git.pleroma.social/pleroma/emoji-index/raw/master/index.json"
+        } ->
+          %Tesla.Env{
+            status: 200,
+            body: File.read!("test/fixtures/emoji/packs/default-manifest.json")
+          }
+      end)
+
+      capture_io(fn -> Emoji.run(["ls-packs"]) end) =~
+        "https://finland.fi/wp-content/uploads/2017/06/finland-emojis.zip"
+    end
+
+    test "with passed manifest as file" do
+      capture_io(fn ->
+        Emoji.run(["ls-packs", "-m", "test/fixtures/emoji/packs/manifest.json"])
+      end) =~ "https://git.pleroma.social/pleroma/emoji-index/raw/master/packs/blobs_gg.zip"
+    end
+  end
+
+  describe "get-packs" do
+    test "download pack from default manifest" do
+      mock(fn
+        %{
+          method: :get,
+          url: "https://git.pleroma.social/pleroma/emoji-index/raw/master/index.json"
+        } ->
+          %Tesla.Env{
+            status: 200,
+            body: File.read!("test/fixtures/emoji/packs/default-manifest.json")
+          }
+
+        %{
+          method: :get,
+          url: "https://finland.fi/wp-content/uploads/2017/06/finland-emojis.zip"
+        } ->
+          %Tesla.Env{
+            status: 200,
+            body: File.read!("test/fixtures/emoji/packs/blank.png.zip")
+          }
+
+        %{
+          method: :get,
+          url: "https://git.pleroma.social/pleroma/emoji-index/raw/master/finmoji.json"
+        } ->
+          %Tesla.Env{
+            status: 200,
+            body: File.read!("test/fixtures/emoji/packs/finmoji.json")
+          }
+      end)
+
+      assert capture_io(fn -> Emoji.run(["get-packs", "finmoji"]) end) =~ "Writing pack.json for"
+
+      emoji_path =
+        Path.join(
+          Pleroma.Config.get!([:instance, :static_dir]),
+          "emoji"
+        )
+
+      assert File.exists?(Path.join([emoji_path, "finmoji", "pack.json"]))
+      on_exit(fn -> File.rm_rf!("test/instance_static/emoji/finmoji") end)
+    end
+
+    test "pack not found" do
+      mock(fn
+        %{
+          method: :get,
+          url: "https://git.pleroma.social/pleroma/emoji-index/raw/master/index.json"
+        } ->
+          %Tesla.Env{
+            status: 200,
+            body: File.read!("test/fixtures/emoji/packs/default-manifest.json")
+          }
+      end)
+
+      assert capture_io(fn -> Emoji.run(["get-packs", "not_found"]) end) =~
+               "No pack named \"not_found\" found"
+    end
+
+    test "raise on bad sha256" do
+      mock(fn
+        %{
+          method: :get,
+          url: "https://git.pleroma.social/pleroma/emoji-index/raw/master/packs/blobs_gg.zip"
+        } ->
+          %Tesla.Env{
+            status: 200,
+            body: File.read!("test/fixtures/emoji/packs/blank.png.zip")
+          }
+      end)
+
+      assert_raise RuntimeError, ~r/^Bad SHA256 for blobs.gg/, fn ->
+        capture_io(fn ->
+          Emoji.run(["get-packs", "blobs.gg", "-m", "test/fixtures/emoji/packs/manifest.json"])
+        end)
+      end
+    end
+  end
+
+  describe "gen-pack" do
+    setup do
+      url = "https://finland.fi/wp-content/uploads/2017/06/finland-emojis.zip"
+
+      mock(fn %{
+                method: :get,
+                url: ^url
+              } ->
+        %Tesla.Env{status: 200, body: File.read!("test/fixtures/emoji/packs/blank.png.zip")}
+      end)
+
+      {:ok, url: url}
+    end
+
+    test "with default extensions", %{url: url} do
+      name = "pack1"
+      pack_json = "#{name}.json"
+      files_json = "#{name}_file.json"
+      refute File.exists?(pack_json)
+      refute File.exists?(files_json)
+
+      captured =
+        capture_io(fn ->
+          Emoji.run([
+            "gen-pack",
+            url,
+            "--name",
+            name,
+            "--license",
+            "license",
+            "--homepage",
+            "homepage",
+            "--description",
+            "description",
+            "--files",
+            files_json,
+            "--extensions",
+            ".png .gif"
+          ])
+        end)
+
+      assert captured =~ "#{pack_json} has been created with the pack1 pack"
+      assert captured =~ "Using .png .gif extensions"
+
+      assert File.exists?(pack_json)
+      assert File.exists?(files_json)
+
+      on_exit(fn ->
+        File.rm_rf!(pack_json)
+        File.rm_rf!(files_json)
+      end)
+    end
+
+    test "with custom extensions and update existing files", %{url: url} do
+      name = "pack2"
+      pack_json = "#{name}.json"
+      files_json = "#{name}_file.json"
+      refute File.exists?(pack_json)
+      refute File.exists?(files_json)
+
+      captured =
+        capture_io(fn ->
+          Emoji.run([
+            "gen-pack",
+            url,
+            "--name",
+            name,
+            "--license",
+            "license",
+            "--homepage",
+            "homepage",
+            "--description",
+            "description",
+            "--files",
+            files_json,
+            "--extensions",
+            " .png   .gif    .jpeg "
+          ])
+        end)
+
+      assert captured =~ "#{pack_json} has been created with the pack2 pack"
+      assert captured =~ "Using .png .gif .jpeg extensions"
+
+      assert File.exists?(pack_json)
+      assert File.exists?(files_json)
+
+      captured =
+        capture_io(fn ->
+          Emoji.run([
+            "gen-pack",
+            url,
+            "--name",
+            name,
+            "--license",
+            "license",
+            "--homepage",
+            "homepage",
+            "--description",
+            "description",
+            "--files",
+            files_json,
+            "--extensions",
+            " .png   .gif    .jpeg "
+          ])
+        end)
+
+      assert captured =~ "#{pack_json} has been updated with the pack2 pack"
+
+      on_exit(fn ->
+        File.rm_rf!(pack_json)
+        File.rm_rf!(files_json)
+      end)
+    end
+  end
+end