storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/cmd/httprange_test.go (about)

     1  /*
     2   * MinIO Cloud Storage, (C) 2016 MinIO, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package cmd
    18  
    19  import (
    20  	"testing"
    21  )
    22  
    23  func TestHTTPRequestRangeSpec(t *testing.T) {
    24  	resourceSize := int64(10)
    25  	validRangeSpecs := []struct {
    26  		spec                 string
    27  		expOffset, expLength int64
    28  	}{
    29  		{"bytes=0-", 0, 10},
    30  		{"bytes=1-", 1, 9},
    31  		{"bytes=0-9", 0, 10},
    32  		{"bytes=1-10", 1, 9},
    33  		{"bytes=1-1", 1, 1},
    34  		{"bytes=2-5", 2, 4},
    35  		{"bytes=-5", 5, 5},
    36  		{"bytes=-1", 9, 1},
    37  		{"bytes=-1000", 0, 10},
    38  	}
    39  	for i, testCase := range validRangeSpecs {
    40  		rs, err := parseRequestRangeSpec(testCase.spec)
    41  		if err != nil {
    42  			t.Errorf("unexpected err: %v", err)
    43  		}
    44  		o, l, err := rs.GetOffsetLength(resourceSize)
    45  		if err != nil {
    46  			t.Errorf("unexpected err: %v", err)
    47  		}
    48  		if o != testCase.expOffset || l != testCase.expLength {
    49  			t.Errorf("Case %d: got bad offset/length: %d,%d expected: %d,%d",
    50  				i, o, l, testCase.expOffset, testCase.expLength)
    51  		}
    52  	}
    53  
    54  	unparsableRangeSpecs := []string{
    55  		"bytes=-",
    56  		"bytes==",
    57  		"bytes==1-10",
    58  		"bytes=",
    59  		"bytes=aa",
    60  		"aa",
    61  		"",
    62  		"bytes=1-10-",
    63  		"bytes=1--10",
    64  		"bytes=-1-10",
    65  		"bytes=0-+3",
    66  		"bytes=+3-+5",
    67  		"bytes=10-11,12-10", // Unsupported by S3/MinIO (valid in RFC)
    68  	}
    69  	for i, urs := range unparsableRangeSpecs {
    70  		rs, err := parseRequestRangeSpec(urs)
    71  		if err == nil {
    72  			t.Errorf("Case %d: Did not get an expected error - got %v", i, rs)
    73  		}
    74  		if err == errInvalidRange {
    75  			t.Errorf("Case %d: Got invalid range error instead of a parse error", i)
    76  		}
    77  		if rs != nil {
    78  			t.Errorf("Case %d: Got non-nil rs though err != nil: %v", i, rs)
    79  		}
    80  	}
    81  
    82  	invalidRangeSpecs := []string{
    83  		"bytes=5-3",
    84  		"bytes=10-10",
    85  		"bytes=10-",
    86  		"bytes=100-",
    87  		"bytes=-0",
    88  	}
    89  	for i, irs := range invalidRangeSpecs {
    90  		var err1, err2 error
    91  		var rs *HTTPRangeSpec
    92  		var o, l int64
    93  		rs, err1 = parseRequestRangeSpec(irs)
    94  		if err1 == nil {
    95  			o, l, err2 = rs.GetOffsetLength(resourceSize)
    96  		}
    97  		if err1 == errInvalidRange || (err1 == nil && err2 == errInvalidRange) {
    98  			continue
    99  		}
   100  		t.Errorf("Case %d: Expected errInvalidRange but: %v %v %d %d %v", i, rs, err1, o, l, err2)
   101  	}
   102  }