tests: v implementation of repl tests

compiler/tests/repl/default_printing.repl

@@ -4,4 +4,4 @@ num
 string
 ===output===
 1
-Hello
+Hello

compiler/tests/repl/repl.sh

@@ -1,64 +0,0 @@
-#!/bin/sh
-
-score=0
-total=0
-debug=0
-
-if [ "$1" = "-h" ]; then
-  echo "V REPL Tests Script"
-  echo
-  echo "-d for debug extra outputs"
-  echo
-  echo "Reads test files '*.repl_test' and execute them"
-  echo "See README.md for details on how to write tests"
-  exit 0
-fi
-
-if [ "$1" = "-d" ]; then
-    debug=1
-fi
-
-test_command() {
-  if [ $debug -eq 1 ]; then
-    echo -en "Testing $1: "
-  fi
-
-  file=`cat $1`
-  output_start=`echo -e "$file" | grep -n '===output===' | cut -f1 -d:`
-
-  if [ $output_start -gt 1 ]; then
-    input=`echo -en "$file" | head -n $((output_start - 1))`
-  else
-    input=""
-  fi
-
-  output=`echo -en "$file" | tail -n +$((output_start + 1))`
-  result=`echo -en "$input" | ./v | tail -n +3 | sed 's/>>> //g'`
-
-  if [ "$output" = "$result" ]; then
-    score=$(($score + 1))
-    if [ $debug -eq 1 ]; then
-      echo -e "\033[32mOK\033[0m"
-    fi
-  else
-    if [ $debug -eq 0 ]; then
-      echo -en "REPL: "
-    fi
-    echo -e "\033[31mKO\033[0m"
-    echo -e "\033[1mGot :\033[0m\n$result"
-    echo -e "\033[1mExpected :\033[0m\n$output"
-  fi
-
-  total=$(($total + 1))
-  rm -f .vrepl .vrepl_temp
-}
-
-for file in `ls compiler/tests/repl/*.repl`; do
-  test_command $file
-done
-
-echo -e "\033[1mREPL SCORE:" $score "/" $total "\033[0m"
-
-if [ $score != $total ]; then
-  exit 1
-fi

compiler/tests/repl/repl_test.v

@@ -0,0 +1,25 @@
+import os
+
+fn test_repl() {
+	test_files := os.walk_ext('.', '.repl')
+
+  for file in test_files {
+    content := os.read_file(file) or {
+      assert false
+      break
+    }
+    input := content.all_before('===output===\n').replace('$', '\\$')
+    output := content.all_after('===output===\n')
+    r := os.exec('echo "$input" | ./v') or {
+      assert false
+      break
+    }
+    result := r.output.replace('>>> ', '').replace('>>>', '').all_after('Use Ctrl-C or `exit` to exit\n')
+    assert result == output
+    if result != output {
+      println(file)
+      println('Got : $result')
+      println('Expected : $output')
+    }
+  }
+}