use proper types and validations for port handling

- implement validations for port ranges
- add test cases for these scenarios

1 files changed, 43 insertions, 0 deletions

diff --git a/spec/type_aliases/port_spec.rb b/spec/type_aliases/port_spec.rb
new file mode 100644
index 0000000..e2b0d43
--- /dev/null
+++ b/spec/type_aliases/port_spec.rb
@@ -0,0 +1,43 @@
+# rubocop:disable Style/WordArray, Style/TrailingCommaInLiteral
+require 'spec_helper'
+
+describe 'Ferm::Port' do
+  describe 'valid values' do
+    [
+      17,
+      65_535,
+      '25:30',
+      ':22',
+      [80, 443, 8080, 8443],
+    ].each do |value|
+      describe value.inspect do
+        it { is_expected.to allow_value(value) }
+      end
+    end
+  end
+
+  describe 'invalid values' do
+    context 'with garbage inputs' do
+      [
+        'asdf',
+        true,
+        false,
+        :symbol,
+        ['meep', 'meep'],
+        65_538,
+        [95_000, 67_000],
+        '12345',
+        '20:22:23',
+        '1024:',
+        'ネット',
+        nil,
+        {},
+        { 'foo' => 'bar' },
+      ].each do |value|
+        describe value.inspect do
+          it { is_expected.not_to allow_value(value) }
+        end
+      end
+    end
+  end
+end