From dcabd0951918c26446720ea50c8bc87f881c766a Mon Sep 17 00:00:00 2001
From: Jeffrey Phillips Freeman <the@jeffreyfreeman.me>
Date: Thu, 17 Aug 2023 12:48:37 -0400
Subject: [PATCH] Added EMPTY_PATH constant and tests
---
lib/apex/frame/immutable_path.rb | 8 +++++++-
spec/apex/frame/path_spec.rb | 13 +++++++++----
2 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/lib/apex/frame/immutable_path.rb b/lib/apex/frame/immutable_path.rb
index 9c75a9a..6a7ab77 100644
--- a/lib/apex/frame/immutable_path.rb
+++ b/lib/apex/frame/immutable_path.rb
@@ -4,11 +4,13 @@ require 'apex/frame/path'
module Apex
public
class ImmutablePath
+
include Path
+ protected
def initialize(*hops)
- raise ArgumentError.new("Must be called with atleast one argument") if (hops.nil?) || (hops.length <= 0)
@path_array = []
+ puts @path_array
last_seen = true
hops.each do |hop|
raise ArgumentError.new("All arguments must not be nil: #{hops.to_s}") if (hop.nil?)
@@ -20,6 +22,7 @@ module Apex
@path_array.freeze
freeze
+ puts @path_array
end
public
@@ -112,5 +115,8 @@ module Apex
def seen_hops
@path_array.select { |hop| hop.seen }
end
+
+ public
+ EMPTY_PATH = ImmutablePath.new().freeze
end
end
diff --git a/spec/apex/frame/path_spec.rb b/spec/apex/frame/path_spec.rb
index be8a5ad..9ab4efb 100644
--- a/spec/apex/frame/path_spec.rb
+++ b/spec/apex/frame/path_spec.rb
@@ -1,12 +1,17 @@
require_relative '../../../lib/apex/frame/path'
describe Apex::Path do
+ describe "::EMPTY_PATH" do
+ it "must not be nil" do
+ expect(Apex::ImmutablePath::EMPTY_PATH).to_not be_nil
+ end
+ end
+
describe ".new" do
context "Given no arguments" do
- it "throws an ArgumentError" do
- expect {
- path = Apex::ImmutablePath.new()
- }.to raise_error(ArgumentError)
+ it "creates an empty path" do
+ path = Apex::ImmutablePath.new()
+ expect(path).to eql(Apex::ImmutablePath::EMPTY_PATH)
end
end
context "Given a single nil argument" do
--
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