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

spec/fiken/object_spec.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+RSpec.describe Fiken::Object do
+  subject(:object) do
+    described_class.new(
+      "invoiceNumber" => 5,
+      "customer" => { "name" => "Acme" },
+      "lines" => [{ "vat" => 25 }, { "vat" => 0 }]
+    )
+  end
+
+  it "exposes camelCase keys via dot access" do
+    expect(object.invoiceNumber).to eq(5)
+  end
+
+  it "exposes the same keys via snake_case dot access" do
+    expect(object.invoice_number).to eq(5)
+  end
+
+  it "supports hash-style access with string or symbol keys" do
+    expect(object[:invoiceNumber]).to eq(5)
+    expect(object["invoiceNumber"]).to eq(5)
+  end
+
+  it "wraps nested hashes recursively" do
+    expect(object.customer.name).to eq("Acme")
+  end
+
+  it "wraps arrays of hashes recursively" do
+    expect(object.lines.map(&:vat)).to eq([25, 0])
+  end
+
+  it "round-trips to a plain hash" do
+    expect(object.to_h).to eq(
+      invoiceNumber: 5,
+      customer: { name: "Acme" },
+      lines: [{ vat: 25 }, { vat: 0 }]
+    )
+  end
+
+  it "raises NoMethodError for unknown keys" do
+    expect { object.nope }.to raise_error(NoMethodError)
+  end
+
+  it "answers key? for present and absent keys" do
+    expect(object.key?(:invoiceNumber)).to be(true)
+    expect(object.key?(:missing)).to be(false)
+  end
+end