Add --environment / --to-environment / --from-environment

Author: Kevin Paulisse

lib/octocatalog-diff/catalog-diff/cli/options/environment.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# Specify the environment to use when compiling the catalog. This is useful only in conjunction
+# with `--preserve-environments`.
+# @param parser [OptionParser object] The OptionParser argument
+# @param options [Hash] Options hash being constructed; this is modified in this method.
+OctocatalogDiff::CatalogDiff::Cli::Options::Option.newoption(:environment) do
+  has_weight 502
+
+  def parse(parser, options)
+    OctocatalogDiff::CatalogDiff::Cli::Options.option_globally_or_per_branch(
+      parser: parser,
+      options: options,
+      cli_name: 'environment',
+      option_name: 'environment',
+      desc: 'Environment for catalog compilation'
+    )
+  end
+end

spec/octocatalog-diff/tests/catalog-diff/cli/options/environment_spec.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require_relative '../options_helper'
+
+describe OctocatalogDiff::CatalogDiff::Cli::Options do
+  describe '#opt_environment' do
+    it 'should handle --environment' do
+      result = run_optparse(['--environment', 'fizzbuzz'])
+      expect(result[:from_environment]).to eq('fizzbuzz')
+      expect(result[:to_environment]).to eq('fizzbuzz')
+    end
+
+    it 'should handle --to-environment' do
+      result = run_optparse(['--to-environment', 'fizzbuzz'])
+      expect(result[:from_environment]).to be_nil
+      expect(result[:to_environment]).to eq('fizzbuzz')
+    end
+
+    it 'should handle --from-environment' do
+      result = run_optparse(['--from-environment', 'fizzbuzz'])
+      expect(result[:from_environment]).to eq('fizzbuzz')
+      expect(result[:to_environment]).to be_nil
+    end
+
+    it 'should handle --from-environment + --to-environment' do
+      result = run_optparse(['--from-environment', 'fizzbuzz', '--to-environment', 'production'])
+      expect(result[:from_environment]).to eq('fizzbuzz')
+      expect(result[:to_environment]).to eq('production')
+    end
+  end
+end