Add context for search screens

test/models/command/parser/context_test.rb

@@ -0,0 +1,52 @@
+require "test_helper"
+
+class Command::Parser::ContextTest < ActiveSupport::TestCase
+  include Rails.application.routes.url_helpers
+
+  setup do
+    @user = users(:david)
+
+    Card.find_each(&:reindex)
+    Comment.find_each(&:reindex)
+  end
+
+  test "viewing a single card" do
+    context = Command::Parser::Context.new(@user, url: card_path(cards(:layout)))
+
+    assert context.viewing_card_contents?
+    assert_not context.viewing_list_of_cards?
+
+    assert_equal 1, context.cards.count
+    assert_equal cards(:layout).id, context.cards.first.id
+  end
+
+  test "viewing cards index" do
+    context = Command::Parser::Context.new(@user, url: cards_path)
+
+    assert context.viewing_list_of_cards?
+    assert_not context.viewing_card_contents?
+
+    assert_equal @user.filters.from_params(FilterScoped::DEFAULT_PARAMS).cards.published.count, context.cards.count
+  end
+
+  test "viewing search results" do
+    context = Command::Parser::Context.new(@user, url: search_path(q: "layout"))
+
+    assert context.viewing_list_of_cards?
+    assert_not context.viewing_card_contents?
+
+    expected_cards = @user.accessible_cards.where(id: @user.search("layout").select(:card_id))
+
+    assert_equal expected_cards.count, context.cards.count
+    assert_equal expected_cards.pluck(:id).sort, context.cards.pluck(:id).sort
+  end
+
+  test "unrecognized URL pattern" do
+    context = Command::Parser::Context.new(@user, url: filters_path)
+
+    assert_not context.viewing_card_contents?
+    assert_not context.viewing_list_of_cards?
+
+    assert_empty context.cards
+  end
+end