Initial commit based on https://github.com/minio/minio/releases/tag/RELEASE.2020-07-02T00-15-09Z

cmd/copy-part-range_test.go

@@ -0,0 +1,94 @@
+/*
+ * 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 "testing"
+
+// Test parseCopyPartRange()
+func TestParseCopyPartRangeSpec(t *testing.T) {
+	// Test success cases.
+	successCases := []struct {
+		rangeString string
+		offsetBegin int64
+		offsetEnd   int64
+	}{
+		{"bytes=2-5", 2, 5},
+		{"bytes=2-9", 2, 9},
+		{"bytes=2-2", 2, 2},
+		{"bytes=0000-0006", 0, 6},
+	}
+	objectSize := int64(10)
+
+	for _, successCase := range successCases {
+		rs, err := parseCopyPartRangeSpec(successCase.rangeString)
+		if err != nil {
+			t.Fatalf("expected: <nil>, got: %s", err)
+		}
+
+		start, length, err1 := rs.GetOffsetLength(objectSize)
+		if err1 != nil {
+			t.Fatalf("expected: <nil>, got: %s", err1)
+		}
+
+		if start != successCase.offsetBegin {
+			t.Fatalf("expected: %d, got: %d", successCase.offsetBegin, start)
+		}
+
+		if start+length-1 != successCase.offsetEnd {
+			t.Fatalf("expected: %d, got: %d", successCase.offsetEnd, start+length-1)
+		}
+	}
+
+	// Test invalid range strings.
+	invalidRangeStrings := []string{
+		"bytes=8",
+		"bytes=5-2",
+		"bytes=+2-5",
+		"bytes=2-+5",
+		"bytes=2--5",
+		"bytes=-",
+		"2-5",
+		"bytes = 2-5",
+		"bytes=2 - 5",
+		"bytes=0-0,-1",
+		"bytes=2-5 ",
+		"bytes=-1",
+		"bytes=1-",
+	}
+	for _, rangeString := range invalidRangeStrings {
+		if _, err := parseCopyPartRangeSpec(rangeString); err == nil {
+			t.Fatalf("expected: an error, got: <nil> for range %s", rangeString)
+		}
+	}
+
+	// Test error range strings.
+	errorRangeString := []string{
+		"bytes=10-10",
+		"bytes=20-30",
+	}
+	for _, rangeString := range errorRangeString {
+		rs, err := parseCopyPartRangeSpec(rangeString)
+		if err == nil {
+			err1 := checkCopyPartRangeWithSize(rs, objectSize)
+			if err1 != errInvalidRangeSource {
+				t.Fatalf("expected: %s, got: %s", errInvalidRangeSource, err)
+			}
+		} else {
+			t.Fatalf("expected: %s, got: <nil>", errInvalidRangeSource)
+		}
+	}
+}