Add unit tests

Author: tsuzu

cli_test.go

@@ -0,0 +1,19 @@
+package dartfmt_test
+
+import (
+	"testing"
+
+	"github.com/go-generalize/go-dartfmt"
+)
+
+func TestFormatDartWithDartCLI(t *testing.T) {
+	runFormat(t, dartfmt.FormatDartWithDartCLI, "testdata/001")
+}
+
+func TestFormatDartWithDartfmtCLI(t *testing.T) {
+	runFormat(t, dartfmt.FormatDartWithDartfmtCLI, "testdata/001")
+}
+
+func TestFormatDartWithFlutterCLI(t *testing.T) {
+	runFormat(t, dartfmt.FormatDartWithFlutterCLI, "testdata/001")
+}

dartfmt_test.go

@@ -25,7 +25,7 @@ func runFormat(t *testing.T, formatter dartfmt.Formatter, dir string) {
 	}
 	expected := string(expectedBytes)
 
-	actual, err := dartfmt.FormatDart(string(input))
+	actual, err := formatter(string(input))
 
 	if err != nil {
 		t.Fatal(err)

goja_test.go

@@ -0,0 +1,11 @@
+package dartfmt_test
+
+import (
+	"testing"
+
+	"github.com/go-generalize/go-dartfmt"
+)
+
+func TestFormatDartStandalone(t *testing.T) {
+	runFormat(t, dartfmt.FormatDartStandalone, "testdata/001")
+}