Merge pull request #86 from yassinebenaid/fix-bug-in-command-substitu…

…tion

Add missing comand substitution test

generator/tests/07-command-substitution.test

@@ -248,3 +248,95 @@ func Main(shell *runtime.Shell, streamManager *runtime.StreamManager) {
 }
 
 #(ENDTEST)
+
+
+
+#(TEST: command as expression in redirection)
+
+cat <$(echo file.txt)
+
+#(RESULT)
+
+package main
+
+import "bunster-build/runtime"
+
+func Main(shell *runtime.Shell, streamManager *runtime.StreamManager) {
+	func() {
+		var commandName = `cat`
+		var arguments []string
+		var command = shell.Command(commandName, arguments...)
+		streamManager := streamManager.Clone()
+		defer streamManager.Destroy()
+		expr4, exitCode := func() (string, int) {
+			streamManager := streamManager.Clone()
+			defer streamManager.Destroy()
+			shell := shell.Clone()
+			var buffer = runtime.NewBuffer(``, false)
+			streamManager.Add(`1`, buffer, false)
+			func() {
+				var commandName = `echo`
+				var arguments []string
+				arguments = append(arguments, `file.txt`)
+				var command = shell.Command(commandName, arguments...)
+				streamManager := streamManager.Clone()
+				defer streamManager.Destroy()
+				if stream, err := streamManager.Get(`0`); err != nil {
+					shell.HandleError(err)
+				} else {
+					command.Stdin = stream
+				}
+				if stream, err := streamManager.Get(`1`); err != nil {
+					shell.HandleError(err)
+				} else {
+					command.Stdout = stream
+				}
+				if stream, err := streamManager.Get(`2`); err != nil {
+					shell.HandleError(err)
+				} else {
+					command.Stderr = stream
+				}
+				if err := command.Run(); err != nil {
+					shell.HandleError(err)
+					return
+				}
+				shell.ExitCode = command.ProcessState.ExitCode()
+
+			}()
+			return buffer.String(true), shell.ExitCode
+		}()
+		if exitCode != 0 {
+			shell.ExitCode = exitCode
+			return
+		}
+		stream0, err := streamManager.OpenStream(expr4, runtime.STREAM_FLAG_READ)
+		if err != nil {
+			shell.HandleError(err)
+			return
+		}
+		streamManager.Add(`0`, stream0, false)
+		if stream, err := streamManager.Get(`0`); err != nil {
+			shell.HandleError(err)
+		} else {
+			command.Stdin = stream
+		}
+		if stream, err := streamManager.Get(`1`); err != nil {
+			shell.HandleError(err)
+		} else {
+			command.Stdout = stream
+		}
+		if stream, err := streamManager.Get(`2`); err != nil {
+			shell.HandleError(err)
+		} else {
+			command.Stderr = stream
+		}
+		if err := command.Run(); err != nil {
+			shell.HandleError(err)
+			return
+		}
+		shell.ExitCode = command.ProcessState.ExitCode()
+
+	}()
+}
+
+#(ENDTEST)