Add RSpec suite with WebMock: core, OAuth, pagination, and resource behavior

spec/spec_helper.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "json"
+require "base64"
+require "fiken"
+require "webmock/rspec"
+require "vcr"
+
+VCR.configure do |config|
+  config.cassette_library_dir = "spec/cassettes"
+  config.hook_into :webmock
+  config.configure_rspec_metadata!
+  config.default_cassette_options = { record: :none }
+  config.filter_sensitive_data("<FIKEN_TOKEN>") { ENV.fetch("FIKEN_TOKEN", nil) }
+end
+
+RSpec.configure do |config|
+  config.expect_with(:rspec) { |c| c.syntax = :expect }
+  config.disable_monkey_patching!
+  config.order = :random
+  Kernel.srand config.seed
+
+  config.example_status_persistence_file_path = ".rspec_status"
+end
+
+API_BASE = "https://api.fiken.no/api/v2"
+
+def stub_fiken(method, path, status: 200, body: "", headers: {})
+  stub_request(method, "#{API_BASE}#{path}")
+    .to_return(
+      status: status,
+      body: body.is_a?(String) ? body : JSON.generate(body),
+      headers: { "Content-Type" => "application/json" }.merge(headers)
+    )
+end
+
+# Convenience: a Location response header pointing at an API path.
+def location(path)
+  { "Location" => "#{API_BASE}#{path}" }
+end
+
+# Stub a create endpoint that returns 201 with a Location header (no body).
+def stub_created(method, path, to:)
+  stub_fiken(method, path, status: 201, headers: location(to))
+end