let's never show sample code that is not runnable...

Author: odino

terminal/util_test.go

@@ -0,0 +1,43 @@
+package terminal
+
+import (
+	"bufio"
+	"io"
+	"strings"
+	"testing"
+
+	"github.com/abs-lang/abs/evaluator"
+	"github.com/abs-lang/abs/lexer"
+	"github.com/abs-lang/abs/object"
+	"github.com/abs-lang/abs/parser"
+)
+
+func runCode(code string, env *object.Environment) []string {
+	lex := lexer.New(code)
+	p := parser.New(lex)
+	program := p.ParseProgram()
+
+	if len(p.Errors()) != 0 {
+		return p.Errors()
+	}
+
+	evaluated := evaluator.BeginEval(program, env, lex)
+
+	if evaluated != nil && evaluated.Type() == object.ERROR_OBJ {
+		return []string{evaluated.Inspect()}
+	}
+
+	return []string{}
+}
+
+func TestAssignStatements(t *testing.T) {
+	for _, stmt := range exampleStatements {
+		discard := bufio.NewReadWriter(bufio.NewReader(strings.NewReader("")), bufio.NewWriter(io.Discard))
+		stdio := &object.Stdio{Stdin: discard, Stdout: discard, Stderr: discard}
+		errs := runCode(stmt, object.NewEnvironment(stdio, ".", "test", false))
+
+		if len(errs) > 0 {
+			t.Fatalf("%s (code evaluated: %s)", errs[0], stmt)
+		}
+	}
+}