1 files changed, 50 insertions, 0 deletions
diff --git a/src/urubu/cmd/vartan/test.go b/src/urubu/cmd/vartan/test.go
new file mode 100644
index 0000000..eb24c0c
--- /dev/null
+++ b/src/urubu/cmd/vartan/test.go
@@ -0,0 +1,50 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"os"
+
+	"urubu/tester"
+)
+
+
+
+func runTest(args []string) error {
+	gram, _, err := readGrammar(args[0])
+	if err != nil {
+		return fmt.Errorf("Cannot read a grammar: %w", err)
+	}
+
+	var cs []*tester.TestCaseWithMetadata
+	{
+		cs = tester.ListTestCases(args[1])
+		errOccurred := false
+		for _, c := range cs {
+			if c.Error != nil {
+				fmt.Fprintf(os.Stderr, "Failed to read a test case or a directory: %v\n%v\n", c.FilePath, c.Error)
+				errOccurred = true
+			}
+		}
+		if errOccurred {
+			return errors.New("Cannot run test")
+		}
+	}
+
+	t := &tester.Tester{
+		Grammar: gram,
+		Cases:   cs,
+	}
+	rs := t.Run()
+	testFailed := false
+	for _, r := range rs {
+		fmt.Fprintln(os.Stdout, r)
+		if r.Error != nil {
+			testFailed = true
+		}
+	}
+	if testFailed {
+		return errors.New("Test failed")
+	}
+	return nil
+}