Add a spec file for the JWT Administrate Field

spec/fields/jwt_field_spec.rb

@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+describe JwtField do
+  subject(:jwt_field) { described_class.new(:jwt, token_data, :show) }
+
+  let(:token_data) { nil }
+
+  describe "#to_s" do
+    context "when there is no token data" do
+      let(:token_data) { nil }
+
+      it "returns 'Pas de token'" do
+        expect(jwt_field.to_s).to eq("Pas de token")
+      end
+    end
+
+    context "when the token is present but invalid" do
+      let(:token_data) { "invalid.token.data" }
+
+      it "returns an invalid token message" do
+        expect(jwt_field.to_s).to match(/^Token invalide : /)
+      end
+    end
+
+    context "when the token is valid and has no expiration" do
+      let(:token_data) { JWT.encode({}, nil, 'none') }
+
+      it "returns a message indicating the token is present without expiration" do
+        expect(jwt_field.to_s).to eq("Token présent, sans expiration")
+      end
+    end
+
+    context "when the token is valid and has a future expiration date" do
+      let(:expiration_time) { 2.days.from_now.to_i }
+      let(:token_data) { JWT.encode({ 'exp' => expiration_time }, nil, 'none') }
+
+      it "returns a message indicating the token will expire in the future" do
+        expected_message = "Token présent, expirera le #{Time.zone.at(expiration_time).strftime('%d/%m/%Y à %H:%M')}"
+        expect(jwt_field.to_s).to eq(expected_message)
+      end
+    end
+
+    context "when the token is valid and has a past expiration date" do
+      let(:expiration_time) { 2.days.ago.to_i }
+      let(:token_data) { JWT.encode({ 'exp' => expiration_time }, nil, 'none') }
+
+      it "returns a message indicating the token has expired" do
+        expected_message = "Token présent, expiré le #{Time.zone.at(expiration_time).strftime('%d/%m/%Y à %H:%M')}"
+        expect(jwt_field.to_s).to eq(expected_message)
+      end
+    end
+  end
+end