refactor: move Postal::QueryString to app/util/query_string

spec/lib/postal/query_string_spec.rb

@@ -1,44 +0,0 @@
-# frozen_string_literal: true
-
-require "rails_helper"
-
-describe Postal::QueryString do
-  it "should work with a single item" do
-    qs = Postal::QueryString.new("to: test@example.com")
-    expect(qs.hash["to"]).to eq "test@example.com"
-  end
-
-  it "should work with a multiple items" do
-    qs = Postal::QueryString.new("to: test@example.com from: another@example.com")
-    expect(qs.hash["to"]).to eq "test@example.com"
-    expect(qs.hash["from"]).to eq "another@example.com"
-  end
-
-  it "should not require a space after the field name" do
-    qs = Postal::QueryString.new("to:test@example.com from:another@example.com")
-    expect(qs.hash["to"]).to eq "test@example.com"
-    expect(qs.hash["from"]).to eq "another@example.com"
-  end
-
-  it "should return nil when it receives blank" do
-    qs = Postal::QueryString.new("to:[blank]")
-    expect(qs.hash["to"]).to eq nil
-  end
-
-  it "should handle dates with spaces" do
-    qs = Postal::QueryString.new("date: 2017-02-12 15:20")
-    expect(qs.hash["date"]).to eq("2017-02-12 15:20")
-  end
-
-  it "should return an array for multiple items" do
-    qs = Postal::QueryString.new("to: test@example.com to: another@example.com")
-    expect(qs.hash["to"]).to be_a(Array)
-    expect(qs.hash["to"][0]).to eq "test@example.com"
-    expect(qs.hash["to"][1]).to eq "another@example.com"
-  end
-
-  it "should work with a z in the string" do
-    qs = Postal::QueryString.new("to: testaz@example.com")
-    expect(qs.hash["to"]).to eq "testaz@example.com"
-  end
-end