Persist MINIO_WORM as part of config.json (#6022)

cmd/bool-flag_test.go

@@ -0,0 +1,137 @@
+/*
+ * Minio Cloud Storage, (C) 2017 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import (
+	"errors"
+	"testing"
+)
+
+// Test BoolFlag.String()
+func TestBoolFlagString(t *testing.T) {
+	var bf BoolFlag
+
+	testCases := []struct {
+		flag           BoolFlag
+		expectedResult string
+	}{
+		{bf, "off"},
+		{BoolFlag(true), "on"},
+		{BoolFlag(false), "off"},
+	}
+
+	for _, testCase := range testCases {
+		str := testCase.flag.String()
+		if testCase.expectedResult != str {
+			t.Fatalf("expected: %v, got: %v", testCase.expectedResult, str)
+		}
+	}
+}
+
+// Test BoolFlag.MarshalJSON()
+func TestBoolFlagMarshalJSON(t *testing.T) {
+	var bf BoolFlag
+
+	testCases := []struct {
+		flag           BoolFlag
+		expectedResult string
+	}{
+		{bf, `"off"`},
+		{BoolFlag(true), `"on"`},
+		{BoolFlag(false), `"off"`},
+	}
+
+	for _, testCase := range testCases {
+		data, _ := testCase.flag.MarshalJSON()
+		if testCase.expectedResult != string(data) {
+			t.Fatalf("expected: %v, got: %v", testCase.expectedResult, string(data))
+		}
+	}
+}
+
+// Test BoolFlag.UnmarshalJSON()
+func TestBoolFlagUnmarshalJSON(t *testing.T) {
+	testCases := []struct {
+		data           []byte
+		expectedResult BoolFlag
+		expectedErr    error
+	}{
+		{[]byte(`{}`), BoolFlag(false), errors.New("json: cannot unmarshal object into Go value of type string")},
+		{[]byte(`["on"]`), BoolFlag(false), errors.New("json: cannot unmarshal array into Go value of type string")},
+		{[]byte(`"junk"`), BoolFlag(false), errors.New("invalid value ‘junk’ for BoolFlag")},
+		{[]byte(`"true"`), BoolFlag(false), errors.New("invalid value ‘true’ for BoolFlag")},
+		{[]byte(`"false"`), BoolFlag(false), errors.New("invalid value ‘false’ for BoolFlag")},
+		{[]byte(`"ON"`), BoolFlag(false), errors.New("invalid value ‘ON’ for BoolFlag")},
+		{[]byte(`"OFF"`), BoolFlag(false), errors.New("invalid value ‘OFF’ for BoolFlag")},
+		{[]byte(`""`), BoolFlag(true), nil},
+		{[]byte(`"on"`), BoolFlag(true), nil},
+		{[]byte(`"off"`), BoolFlag(false), nil},
+	}
+
+	for _, testCase := range testCases {
+		var flag BoolFlag
+		err := (&flag).UnmarshalJSON(testCase.data)
+		if testCase.expectedErr == nil {
+			if err != nil {
+				t.Fatalf("error: expected = <nil>, got = %v", err)
+			}
+		} else if err == nil {
+			t.Fatalf("error: expected = %v, got = <nil>", testCase.expectedErr)
+		} else if testCase.expectedErr.Error() != err.Error() {
+			t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err)
+		}
+
+		if err == nil && testCase.expectedResult != flag {
+			t.Fatalf("result: expected: %v, got: %v", testCase.expectedResult, flag)
+		}
+	}
+}
+
+// Test ParseBoolFlag()
+func TestParseBoolFlag(t *testing.T) {
+	testCases := []struct {
+		flagStr        string
+		expectedResult BoolFlag
+		expectedErr    error
+	}{
+		{"", BoolFlag(false), errors.New("invalid value ‘’ for BoolFlag")},
+		{"junk", BoolFlag(false), errors.New("invalid value ‘junk’ for BoolFlag")},
+		{"true", BoolFlag(false), errors.New("invalid value ‘true’ for BoolFlag")},
+		{"false", BoolFlag(false), errors.New("invalid value ‘false’ for BoolFlag")},
+		{"ON", BoolFlag(false), errors.New("invalid value ‘ON’ for BoolFlag")},
+		{"OFF", BoolFlag(false), errors.New("invalid value ‘OFF’ for BoolFlag")},
+		{"on", BoolFlag(true), nil},
+		{"off", BoolFlag(false), nil},
+	}
+
+	for _, testCase := range testCases {
+		bf, err := ParseBoolFlag(testCase.flagStr)
+		if testCase.expectedErr == nil {
+			if err != nil {
+				t.Fatalf("error: expected = <nil>, got = %v", err)
+			}
+		} else if err == nil {
+			t.Fatalf("error: expected = %v, got = <nil>", testCase.expectedErr)
+		} else if testCase.expectedErr.Error() != err.Error() {
+			t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err)
+		}
+
+		if err == nil && testCase.expectedResult != bf {
+			t.Fatalf("result: expected: %v, got: %v", testCase.expectedResult, bf)
+		}
+	}
+}