allow ConfigureOp#log_and_test_command to be passed standard input data - close #111

build_tests/configure/custom_config_check.rb

@@ -17,6 +17,10 @@ configure do
     end
     op.complete(status, success_message: "good!", fail_message: fail_message, fail: should_fail)
   end
+  custom_check("Checking sed -E flag") do |op|
+    stdout, stderr, status = op.log_and_test_command(%w[sed -E -e s/ab+/rep/], stdin: "abbbc")
+    op.complete(stdout =~ /repc/ ? 0 : 1, success_message: "good", fail_message: "fail")
+  end
 end
 
 build do

lib/rscons/configure_op.rb

@@ -280,12 +280,19 @@ module Rscons
 
     # Execute a test command and log the result.
     #
+    # @param command [Array<String>]
+    #   Command to execute.
+    # @param options [Hash]
+    #   Optional arguments.
+    # @option options [String] :stdin
+    #   Data to send to standard input stream of the executed command.
+    #
     # @return [String, String, Process::Status]
     #   stdout, stderr, status
-    def log_and_test_command(command)
+    def log_and_test_command(command, options = {})
       begin
         @log_fh.puts("Command: #{command.join(" ")}")
-        stdout, stderr, status = Open3.capture3(*command)
+        stdout, stderr, status = Open3.capture3(*command, stdin_data: options[:stdin])
         @log_fh.puts("Exit status: #{status.to_i}")
         @log_fh.write(stdout)
         @log_fh.write(stderr)

spec/build_tests_spec.rb

@@ -2189,6 +2189,14 @@ EOF
             expect(result.status).to eq 0
           end
         end
+
+        it "allows passing standard input data to the executed command" do
+          test_dir "configure"
+          result = run_rscons(rsconscript: "custom_config_check.rb", op: "configure")
+          expect(result.stderr).to eq ""
+          expect(result.stdout).to match /Checking sed -E flag\.\.\. good/
+          expect(result.status).to eq 0
+        end
       end
     end