require 'spec_helper'

module Grape
  describe Path do

    describe "#initialize" do
      it "remembers the path" do
        path = Path.new('/:id', anything, anything)
        expect(path.raw_path).to eql('/:id')
      end

      it "remembers the namespace" do
        path = Path.new(anything, '/users', anything)
        expect(path.namespace).to eql('/users')
      end

      it "remebers the settings" do
        path = Path.new(anything, anything, foo: 'bar')
        expect(path.settings).to eql(foo: 'bar')
      end
    end

    describe "#mount_path" do
      it "is nil when no mount path setting exists" do
        path = Path.new(anything, anything, {})
        expect(path.mount_path).to be_nil
      end

      it "is nil when the mount path is nil" do
        path = Path.new(anything, anything, mount_path: nil)
        expect(path.mount_path).to be_nil
      end

      it "splits the mount path" do
        path = Path.new(anything, anything, mount_path: 'foo/bar')
        expect(path.mount_path).to eql(['foo', 'bar'])
      end
    end

    describe "#root_prefix" do
      it "is nil when no root prefix setting exists" do
        path = Path.new(anything, anything, {})
        expect(path.root_prefix).to be_nil
      end

      it "is nil when the mount path is nil" do
        path = Path.new(anything, anything, root_prefix: nil)
        expect(path.root_prefix).to be_nil
      end

      it "splits the mount path" do
        path = Path.new(anything, anything, root_prefix: 'hello/world')
        expect(path.root_prefix).to eql(['hello', 'world'])
      end
    end

    describe "#uses_path_versioning?" do
      it "is false when the version setting is nil" do
        path = Path.new(anything, anything, version: nil)
        expect(path.uses_path_versioning?).to be false
      end

      it "is false when the version option is header" do
        path = Path.new(
          anything,
          anything,
          version: 'v1',
          version_options: { using: :header }
        )

        expect(path.uses_path_versioning?).to be false
      end

      it "is true when the version option is path" do
        path = Path.new(
          anything,
          anything,
          version: 'v1',
          version_options: { using: :path }
        )

        expect(path.uses_path_versioning?).to be true
      end
    end

    describe "#has_namespace?" do
      it "is false when the namespace is nil" do
        path = Path.new(anything, nil, anything)
        expect(path).not_to have_namespace
      end

      it "is false when the namespace starts with whitespace" do
        path = Path.new(anything, ' /foo', anything)
        expect(path).not_to have_namespace
      end

      it "is false when the namespace is the root path" do
        path = Path.new(anything, '/', anything)
        expect(path).not_to have_namespace
      end

      it "is true otherwise" do
        path = Path.new(anything, '/world', anything)
        expect(path).to have_namespace
      end
    end

    describe "#has_path?" do
      it "is false when the path is nil" do
        path = Path.new(nil, anything, anything)
        expect(path).not_to have_path
      end

      it "is false when the path starts with whitespace" do
        path = Path.new(' /foo', anything, anything)
        expect(path).not_to have_path
      end

      it "is false when the path is the root path" do
        path = Path.new('/', anything, anything)
        expect(path).not_to have_path
      end

      it "is true otherwise" do
        path = Path.new('/hello', anything, anything)
        expect(path).to have_path
      end
    end

    describe "#path" do
      context "mount_path" do
        it "is not included when it is nil" do
          path = Path.new(nil, nil, mount_path: '/foo/bar')
          expect(path.path).to eql '/foo/bar'
        end

        it "is included when it is not nil" do
          path = Path.new(nil, nil, {})
          expect(path.path).to eql('/')
        end
      end

      context "root_prefix" do
        it "is not included when it is nil" do
          path = Path.new(nil, nil, {})
          expect(path.path).to eql('/')
        end

        it "is included after the mount path" do
          path = Path.new(
            nil,
            nil,
            mount_path: '/foo',
            root_prefix: '/hello'
          )

          expect(path.path).to eql('/foo/hello')
        end
      end

      it "uses the namespace after the mount path and root prefix" do
        path = Path.new(
          nil,
          'namespace',
          mount_path: '/foo',
          root_prefix: '/hello'
        )

        expect(path.path).to eql('/foo/hello/namespace')
      end

      it "uses the raw path after the namespace" do
        path = Path.new(
          'raw_path',
          'namespace',
          mount_path: '/foo',
          root_prefix: '/hello'
        )

        expect(path.path).to eql('/foo/hello/namespace/raw_path')
      end
    end

    describe "#suffix" do
      context "when path versioning is used" do
        it "includes a '/'" do
          path = Path.new(nil, nil, {})
          allow(path).to receive(:uses_path_versioning?) { true }

          expect(path.suffix).to eql('(/.:format)')
        end
      end

      context "when path versioning is not used" do
        it "does not include a '/' when the path has a namespace" do
          path = Path.new(nil, 'namespace', {})
          allow(path).to receive(:uses_path_versioning?) { true }

          expect(path.suffix).to eql('(.:format)')
        end

        it "does not include a '/' when the path has a path" do
          path = Path.new('/path', nil, {})
          allow(path).to receive(:uses_path_versioning?) { true }

          expect(path.suffix).to eql('(.:format)')
        end

        it "includes a '/' otherwise" do
          path = Path.new(nil, nil, {})
          allow(path).to receive(:uses_path_versioning?) { true }

          expect(path.suffix).to eql('(/.:format)')
        end
      end
    end

    describe "#path_with_suffix" do
      it "combines the path and suffix" do
        path = Path.new(nil, nil, {})
        allow(path).to receive(:path) { '/the/path' }
        allow(path).to receive(:suffix) { 'suffix' }

        expect(path.path_with_suffix).to eql('/the/pathsuffix')
      end
    end

  end
end