add specs

Author: DannyBen

lib/completely/commands/generate.rb

@@ -3,7 +3,7 @@
 module Completely
   module Commands
     class Generate < Base
-      help 'Generate the bash completion script'
+      help 'Generate the bash completion script to file or stdout'
 
       usage 'completely generate [CONFIG_PATH OUTPUT_PATH --function NAME --wrap NAME]'
       usage 'completely generate (-h|--help)'

lib/completely/commands/preview.rb

@@ -3,7 +3,7 @@
 module Completely
   module Commands
     class Preview < Base
-      help 'Generate the bash completion script to STDOUT'
+      help 'Generate the bash completion script to stdout'
 
       usage 'completely preview [CONFIG_PATH --function NAME]'
       usage 'completely preview (-h|--help)'

spec/approvals/cli/commands

@@ -2,8 +2,8 @@ Completely - Bash Completions Generator
 
 Commands:
   init       Create a new sample YAML configuration file
-  preview    Generate the bash completion script to STDOUT
-  generate   Generate the bash completion script
+  preview    Generate the bash completion script to stdout
+  generate   Generate the bash completion script to file or stdout
   test       Test completions
   install    Install a bash completion script
   uninstall  Uninstall a bash completion script

spec/approvals/cli/generate/custom-path-stdin

@@ -0,0 +1 @@
+Saved spec/tmp/stdin-to-file.bash

spec/approvals/cli/generate/help

@@ -1,4 +1,4 @@
-Generate the bash completion script
+Generate the bash completion script to file or stdout
 
 Usage:
   completely generate [CONFIG_PATH OUTPUT_PATH --function NAME --wrap NAME]

spec/approvals/cli/preview/help

@@ -1,4 +1,4 @@
-Generate the bash completion script to STDOUT
+Generate the bash completion script to stdout
 
 Usage:
   completely preview [CONFIG_PATH --function NAME]

spec/completely/commands/generate_spec.rb

@@ -1,8 +1,14 @@
 describe Commands::Generate do
   subject { described_class.new }
 
-  before { system 'cp lib/completely/templates/sample.yaml completely.yaml' }
-  after  { system 'rm -f completely.yaml' }
+  before do
+    reset_tmp_dir
+    system 'cp lib/completely/templates/sample.yaml completely.yaml'
+  end
+
+  after do
+    system 'rm -f completely.yaml'
+  end
 
   context 'with --help' do
     it 'shows long usage' do
@@ -81,6 +87,28 @@
     end
   end
 
+  context 'with stdin and stdout' do
+    it 'reads config from stdin and writes to stdout' do
+      allow($stdin).to receive(:tty?).and_return false
+      allow($stdin).to receive(:read).and_return File.read('completely.yaml')
+
+      expect { subject.execute %w[generate -] }
+        .to output_approval('cli/generated-script')
+    end
+  end
+
+  context 'with stdin and output path' do
+    let(:outfile) { 'spec/tmp/stdin-to-file.bash' }
+
+    it 'reads config from stdin and writes to file' do
+      allow($stdin).to receive(:tty?).and_return false
+      allow($stdin).to receive(:read).and_return File.read('completely.yaml')
+
+      expect { subject.execute %W[generate - #{outfile}] }.to output_approval('cli/generate/custom-path-stdin')
+      expect(File.read outfile).to match_approval('cli/generated-script')
+    end
+  end
+
   context 'with --function NAME' do
     after { system 'rm -f completely.bash' }