70 lines
2.3 KiB
Ruby
70 lines
2.3 KiB
Ruby
require 'minitest/autorun'
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require 'prism'
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class RouterConstraintsTest < Minitest::Test
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def setup
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@router = Prism::Router.new
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end
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def test_constraint_accepts_matching_segment
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@router.add('GET', '/users/:id', constraints: { id: /\d+/ }) {}
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_, params = @router.matches('GET', '/users/42').first
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assert_equal '42', params['id']
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end
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def test_constraint_rejects_non_matching_segment
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@router.add('GET', '/users/:id', constraints: { id: /\d+/ }) {}
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assert_empty @router.matches('GET', '/users/not-a-number')
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end
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def test_constraint_only_applies_to_the_named_segment
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@router.add('GET', '/users/:id/posts/:slug', constraints: { id: /\d+/ }) {}
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_, params = @router.matches('GET', '/users/7/posts/hello-world').first
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assert_equal '7', params['id']
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assert_equal 'hello-world', params['slug']
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assert_empty @router.matches('GET', '/users/seven/posts/hello-world')
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end
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end
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class RouterFormatTest < Minitest::Test
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def setup
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@router = Prism::Router.new
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end
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def test_format_disabled_by_default_dynamic_segment_keeps_dots
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@router.add('GET', '/files/:name') {}
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_, params = @router.matches('GET', '/files/report.pdf').first
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assert_equal 'report.pdf', params['name']
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refute params.key?('format')
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end
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def test_format_enabled_extracts_extension_and_shrinks_segment
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@router.add('GET', '/posts/:id', format: true) {}
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_, params = @router.matches('GET', '/posts/7.json').first
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assert_equal '7', params['id']
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assert_equal 'json', params['format']
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end
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def test_format_enabled_still_matches_without_extension
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@router.add('GET', '/posts/:id', format: true) {}
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_, params = @router.matches('GET', '/posts/7').first
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assert_equal '7', params['id']
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refute params.key?('format')
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end
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def test_format_and_constraints_combine
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@router.add('GET', '/posts/:id', format: true, constraints: { id: /\d+/ }) {}
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_, params = @router.matches('GET', '/posts/7.xml').first
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assert_equal '7', params['id']
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assert_equal 'xml', params['format']
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assert_empty @router.matches('GET', '/posts/seven.xml')
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end
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def test_format_is_ignored_for_wildcard_patterns
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@router.add('GET', '/files/*', format: true) {}
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_, params = @router.matches('GET', '/files/a/b/report.pdf').first
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assert_equal ['a/b/report.pdf'], params['splat']
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refute params.key?('format')
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end
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end
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