Add specs

Author: hdamico

.rspec

@@ -0,0 +1,3 @@
+--require spec_helper
+--color
+--format documentation

spec/spec_helper.rb

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+# frozen_string_literal: true
+
+require "strict_pagination"
+
+RSpec.configure do |config|
+  # Enable flags like --only-failures and --next-failure
+  config.example_status_persistence_file_path = ".rspec_status"
+
+  # Disable RSpec exposing methods globally on `Module` and `main`
+  config.disable_monkey_patching!
+
+  config.expect_with :rspec do |c|
+    c.syntax = :expect
+  end
+
+  # Filter out gems from backtrace
+  config.filter_gems_from_backtrace "activerecord", "activesupport"
+end

spec/strict_pagination_spec.rb

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+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe StrictPagination do
+  it "has a version number" do
+    expect(described_class::VERSION).not_to be_nil
+  end
+
+  describe ".configure" do
+    it "yields configuration" do
+      expect { |b| described_class.configure(&b) }.to yield_with_args(described_class.config)
+    end
+
+    it "allows setting validate_on_all_queries" do
+      described_class.configure do |config|
+        config.validate_on_all_queries = true
+      end
+
+      expect(described_class.config.validate_on_all_queries).to be true
+
+      # Reset to default
+      described_class.config.validate_on_all_queries = false
+    end
+
+    it "allows setting safe_view_prefixes" do
+      described_class.configure do |config|
+        config.safe_view_prefixes = ["Custom::"]
+      end
+
+      expect(described_class.config.safe_view_prefixes).to eq(["Custom::"])
+
+      # Reset to default
+      described_class.config.safe_view_prefixes = []
+    end
+  end
+
+  describe ".config" do
+    it "returns configuration instance" do
+      expect(described_class.config).to be_a(described_class::Configuration)
+    end
+  end
+end