chore: Encapsulate more functions into their own modules and improve spec files (#6046)

* chore: Encapsulate more functions into their own modules and improve specs

* update path for required .cr file in search/hastag_spec.cr

* make the linter happy

* Align PR changes with the current source code

spec/invidious/helpers/tokens_spec.cr

@@ -0,0 +1,26 @@
+require "../../spec_helper"
+
+Spectator.describe Invidious::Helpers::Tokens do
+  describe ".sign_token" do
+    it "correctly signs a given hash" do
+      token = {
+        "session" => "v1:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+        "expires" => 1554680038,
+        "scopes"  => [
+          ":notifications",
+          ":subscriptions/*",
+          "GET:tokens*",
+        ],
+        "signature" => "f__2hS20th8pALF305PJFK-D2aVtvefNnQheILHD2vU=",
+      }
+      expect(Invidious::Helpers::Tokens.sign_token("SECRET_KEY", token)).to eq(token["signature"])
+
+      token = {
+        "session"   => "v1:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+        "scopes"    => [":notifications", "POST:subscriptions/*"],
+        "signature" => "fNvXoT0MRAL9eE6lTE33CEg8HitYJDOL9a22rSN2Ihg=",
+      }
+      expect(Invidious::Helpers::Tokens.sign_token("SECRET_KEY", token)).to eq(token["signature"])
+    end
+  end
+end

spec/invidious/search/ctoken_spec.cr

@@ -0,0 +1,11 @@
+require "../../spec_helper"
+
+Spectator.describe Invidious::Search::CToken do
+  describe ".produce_channel_search_continuation" do
+    it "correctly produces token for searching a specific channel" do
+      expect(Invidious::Search::CToken.produce_channel_search_continuation("UCXuqSBlHAE6Xw-yeJA0Tunw", "", 100)).to eq("4qmFsgJqEhhVQ1h1cVNCbEhBRTZYdy15ZUpBMFR1bncaIEVnWnpaV0Z5WTJnd0FUZ0JZQUY2QkVkS2IxaTRBUUE9WgCaAilicm93c2UtZmVlZFVDWHVxU0JsSEFFNlh3LXllSkEwVHVud3NlYXJjaA%3D%3D")
+
+      expect(Invidious::Search::CToken.produce_channel_search_continuation("UCXuqSBlHAE6Xw-yeJA0Tunw", "По ожиशुपतिरपि子而時ஸ்றீனி", 0)).to eq("4qmFsgKoARIYVUNYdXFTQmxIQUU2WHcteWVKQTBUdW53GiBFZ1p6WldGeVkyZ3dBVGdCWUFGNkJFZEJRVDI0QVFBPVo-0J_QviDQvtC20LjgpLbgpYHgpKrgpKTgpL_gpLDgpKrgpL_lrZDogIzmmYLgrrjgr43grrHgr4Dgrqngrr-aAilicm93c2UtZmVlZFVDWHVxU0JsSEFFNlh3LXllSkEwVHVud3NlYXJjaA%3D%3D")
+    end
+  end
+end

spec/invidious/search/hashtag_spec.cr

@@ -1,4 +1,4 @@
-require "../parsers_helper.cr"
+require "../../parsers_helper.cr"
 
 Spectator.describe Invidious::Hashtag do
   it "parses richItemRenderer containers (test 1)" do

spec/spec_helper.cr

@@ -9,7 +9,6 @@ require "../src/invidious/videos/caption"
 require "../src/invidious/videos"
 require "../src/invidious/playlists"
 require "../src/invidious/search/ctoken"
-require "../src/invidious/trending"
 require "spectator"
 
 Spectator.configure do |config|