/* * Minio Cloud Storage, (C) 2015-2016 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 fs import ( "bytes" "fmt" "io/ioutil" "os" "path/filepath" "strconv" "strings" "testing" ) func TestListObjects(t *testing.T) { // Make a temporary directory to use as the filesystem. directory, e := ioutil.TempDir("", "minio-list-object-test") if e != nil { t.Fatal(e) } defer os.RemoveAll(directory) // Create the filesystem. fs, err := New(directory, 0) if err != nil { t.Fatal(err) } // This bucket is used for testing ListObject operations. err = fs.MakeBucket("test-bucket-list-object") if err != nil { t.Fatal(err) } // Will not store any objects in this bucket, // Its to test ListObjects on an empty bucket. err = fs.MakeBucket("empty-bucket") if err != nil { t.Fatal(err) } tmpfile, e := ioutil.TempFile("", "simple-file.txt") if e != nil { t.Fatal(e) } defer os.Remove(tmpfile.Name()) // clean up _, err = fs.CreateObject("test-bucket-list-object", "Asia-maps", "", int64(len("asia-maps")), bytes.NewBufferString("asia-maps"), nil) if err != nil { t.Fatal(e) } _, err = fs.CreateObject("test-bucket-list-object", "Asia/India/India-summer-photos-1", "", int64(len("contentstring")), bytes.NewBufferString("contentstring"), nil) if err != nil { t.Fatal(e) } _, err = fs.CreateObject("test-bucket-list-object", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "", int64(len("contentstring")), bytes.NewBufferString("contentstring"), nil) if err != nil { t.Fatal(e) } for i := 0; i < 2; i++ { key := "newPrefix" + strconv.Itoa(i) _, err = fs.CreateObject("test-bucket-list-object", key, "", int64(len(key)), bytes.NewBufferString(key), nil) if err != nil { t.Fatal(err) } } _, err = fs.CreateObject("test-bucket-list-object", "newzen/zen/recurse/again/again/again/pics", "", int64(len("recurse")), bytes.NewBufferString("recurse"), nil) if err != nil { t.Fatal(e) } for i := 0; i < 3; i++ { key := "obj" + strconv.Itoa(i) _, err = fs.CreateObject("test-bucket-list-object", key, "", int64(len(key)), bytes.NewBufferString(key), nil) if err != nil { t.Fatal(err) } } // Formualting the result data set to be expected from ListObjects call inside the tests, // This will be used in testCases and used for asserting the correctness of ListObjects output in the tests. resultCases := []ListObjectsResult{ // ListObjectsResult-0. // Testing for listing all objects in the bucket, (testCase 20,21,22). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-1. // Used for asserting the truncated case, (testCase 23). ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, }, }, // ListObjectsResult-2. // (TestCase 24). ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, ObjectInfo{Name: "newPrefix0"}, }, }, // ListObjectsResult-3. // (TestCase 25). ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, }, }, // ListObjectsResult-4. // Again used for truncated case. // (TestCase 26). ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, }, }, // ListObjectsResult-5. // Used for Asserting prefixes. // Used for test case with prefix "new", (testCase 27-29). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, }, }, // ListObjectsResult-6. // Used for Asserting prefixes. // Used for test case with prefix = "obj", (testCase 30). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-7. // Used for Asserting prefixes and truncation. // Used for test case with prefix = "new" and maxKeys = 1, (testCase 31). ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, }, }, // ListObjectsResult-8. // Used for Asserting prefixes. // Used for test case with prefix = "obj" and maxKeys = 2, (testCase 32). ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, }, }, // ListObjectsResult-9. // Used for asserting the case with marker, but without prefix. //marker is set to "newPrefix0" in the testCase, (testCase 33). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-10. //marker is set to "newPrefix1" in the testCase, (testCase 34). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-11. //marker is set to "obj0" in the testCase, (testCase 35). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-12. // Marker is set to "obj1" in the testCase, (testCase 36). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-13. // Marker is set to "man" in the testCase, (testCase37). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-14. // Marker is set to "Abc" in the testCase, (testCase 39). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-15. // Marker is set to "Asia/India/India-summer-photos-1" in the testCase, (testCase 40). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-16. // Marker is set to "Asia/India/Karnataka/Bangalore/Koramangala/pics" in the testCase, (testCase 41). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-17. // Used for asserting the case with marker, without prefix but with truncation. // Marker = "newPrefix0" & maxKeys = 3 in the testCase, (testCase42). // Output truncated to 3 values. ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, ObjectInfo{Name: "obj0"}, }, }, // ListObjectsResult-18. // Marker = "newPrefix1" & maxkeys = 1 in the testCase, (testCase43). // Output truncated to 1 value. ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, }, }, // ListObjectsResult-19. // Marker = "obj0" & maxKeys = 1 in the testCase, (testCase44). // Output truncated to 1 value. ListObjectsResult{ IsTruncated: true, Objects: []ObjectInfo{ ObjectInfo{Name: "obj1"}, }, }, // ListObjectsResult-20. // Marker = "obj0" & prefix = "obj" in the testCase, (testCase 45). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-21. // Marker = "obj1" & prefix = "obj" in the testCase, (testCase 46). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-22. // Marker = "newPrefix0" & prefix = "new" in the testCase,, (testCase 47). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "newzen/zen/recurse/again/again/again/pics"}, }, }, // ListObjectsResult-23. // Prefix is set to "Asia/India/" in the testCase, and delimiter is not set (testCase 55). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, }, }, // ListObjectsResult-24. // Prefix is set to "Asia" in the testCase, and delimiter is not set (testCase 56). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, ObjectInfo{Name: "Asia/India/Karnataka/Bangalore/Koramangala/pics"}, }, }, // ListObjectsResult-25. // Prefix is set to "Asia" in the testCase, and delimiter is set (testCase 57). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia-maps"}, }, }, // ListObjectsResult-26. // prefix = "new" and delimiter is set in the testCase.(testCase 58). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, }, }, // ListObjectsResult-27. // Prefix is set to "Asia/India/" in the testCase, and delimiter is set to forward slash '/' (testCase 59). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "Asia/India/India-summer-photos-1"}, }, }, // ListObjectsResult-28. // Marker is set to "Asia/India/India-summer-photos-1" and delimiter set in the testCase, (testCase 60). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, // ListObjectsResult-29. // Marker is set to "Asia/India/Karnataka/Bangalore/Koramangala/pics" in the testCase and delimeter set, (testCase 61). ListObjectsResult{ IsTruncated: false, Objects: []ObjectInfo{ ObjectInfo{Name: "newPrefix0"}, ObjectInfo{Name: "newPrefix1"}, ObjectInfo{Name: "obj0"}, ObjectInfo{Name: "obj1"}, ObjectInfo{Name: "obj2"}, }, }, } testCases := []struct { // Inputs to ListObjects. bucketName string prefix string marker string delimeter string maxKeys int // Expected output of ListObjects. result ListObjectsResult err error // Flag indicating whether the test is expected to pass or not. shouldPass bool }{ // Test cases with invalid bucket names ( Test number 1-4 ). {".test", "", "", "", 0, ListObjectsResult{}, BucketNameInvalid{Bucket: ".test"}, false}, {"Test", "", "", "", 0, ListObjectsResult{}, BucketNameInvalid{Bucket: "Test"}, false}, {"---", "", "", "", 0, ListObjectsResult{}, BucketNameInvalid{Bucket: "---"}, false}, {"ad", "", "", "", 0, ListObjectsResult{}, BucketNameInvalid{Bucket: "ad"}, false}, // Using an existing file for bucket name, but its not a directory (5). {"simple-file.txt", "", "", "", 0, ListObjectsResult{}, BucketNotFound{Bucket: "simple-file.txt"}, false}, // Valid bucket names, but they donot exist (6-8). {"volatile-bucket-1", "", "", "", 0, ListObjectsResult{}, BucketNotFound{Bucket: "volatile-bucket-1"}, false}, {"volatile-bucket-2", "", "", "", 0, ListObjectsResult{}, BucketNotFound{Bucket: "volatile-bucket-2"}, false}, {"volatile-bucket-3", "", "", "", 0, ListObjectsResult{}, BucketNotFound{Bucket: "volatile-bucket-3"}, false}, // Valid, existing bucket, but sending invalid delimeter values (9-10). // Empty string < "" > and forward slash < / > are the ony two valid arguments for delimeter. {"test-bucket-list-object", "", "", "*", 0, ListObjectsResult{}, fmt.Errorf("delimiter '%s' is not supported", "*"), false}, {"test-bucket-list-object", "", "", "-", 0, ListObjectsResult{}, fmt.Errorf("delimiter '%s' is not supported", "-"), false}, // Marker goes through url QueryUnescape, sending inputs for which QueryUnescape would fail (11-12). // Here is how QueryUnescape behaves https://golang.org/pkg/net/url/#QueryUnescape. // QueryUnescape is necessasry since marker is provided as URL query parameter. {"test-bucket-list-object", "", "test%", "", 0, ListObjectsResult{}, fmt.Errorf("invalid URL escape"), false}, {"test-bucket-list-object", "", "test%A", "", 0, ListObjectsResult{}, fmt.Errorf("invalid URL escape"), false}, // Testing for failure cases with both perfix and marker (13). // The prefix and marker combination to be valid it should satisy strings.HasPrefix(marker, prefix). {"test-bucket-list-object", "asia", "europe-object", "", 0, ListObjectsResult{}, fmt.Errorf("Invalid combination of marker '%s' and prefix '%s'", "europe-object", "asia"), false}, // Setting a non-existing directory to be prefix (14-15). {"empty-bucket", "europe/france/", "", "", 1, ListObjectsResult{}, fmt.Errorf("%s:", filepath.FromSlash("/empty-bucket/europe/france")), false}, {"empty-bucket", "europe/tunisia/", "", "", 1, ListObjectsResult{}, fmt.Errorf("%s:", filepath.FromSlash("/empty-bucket/europe/tunisia")), false}, // Testing on empty bucket, that is, bucket without any objects in it (16). {"empty-bucket", "", "", "", 0, ListObjectsResult{}, nil, true}, // Setting maxKeys to negative value (17-18). {"empty-bucket", "", "", "", -1, ListObjectsResult{}, nil, true}, {"empty-bucket", "", "", "", 1, ListObjectsResult{}, nil, true}, // Setting maxKeys to a very large value (19). {"empty-bucket", "", "", "", 1111000000000000, ListObjectsResult{}, nil, true}, // Testing for all 7 objects in the bucket (20). {"test-bucket-list-object", "", "", "", 9, resultCases[0], nil, true}, //Testing for negative value of maxKey, this should set maxKeys to listObjectsLimit (21). {"test-bucket-list-object", "", "", "", -1, resultCases[0], nil, true}, // Testing for very large value of maxKey, this should set maxKeys to listObjectsLimit (22). {"test-bucket-list-object", "", "", "", 1234567891011, resultCases[0], nil, true}, // Testing for trancated value (23-26). {"test-bucket-list-object", "", "", "", 5, resultCases[1], nil, true}, {"test-bucket-list-object", "", "", "", 4, resultCases[2], nil, true}, {"test-bucket-list-object", "", "", "", 3, resultCases[3], nil, true}, {"test-bucket-list-object", "", "", "", 1, resultCases[4], nil, true}, // Testing with prefix (27-30). {"test-bucket-list-object", "new", "", "", 3, resultCases[5], nil, true}, {"test-bucket-list-object", "new", "", "", 4, resultCases[5], nil, true}, {"test-bucket-list-object", "new", "", "", 5, resultCases[5], nil, true}, {"test-bucket-list-object", "obj", "", "", 3, resultCases[6], nil, true}, // Testing with prefix and truncation (31-32). {"test-bucket-list-object", "new", "", "", 1, resultCases[7], nil, true}, {"test-bucket-list-object", "obj", "", "", 2, resultCases[8], nil, true}, // Testing with marker, but without prefix and truncation (33-37). {"test-bucket-list-object", "", "newPrefix0", "", 5, resultCases[9], nil, true}, {"test-bucket-list-object", "", "newPrefix1", "", 4, resultCases[10], nil, true}, {"test-bucket-list-object", "", "obj0", "", 2, resultCases[11], nil, true}, {"test-bucket-list-object", "", "obj1", "", 1, resultCases[12], nil, true}, {"test-bucket-list-object", "", "man", "", 10, resultCases[13], nil, true}, // Marker being set to a value which is greater than and all object names when sorted (38). // Expected to send an empty response in this case. {"test-bucket-list-object", "", "zen", "", 10, ListObjectsResult{}, nil, true}, // Marker being set to a value which is lesser than and all object names when sorted (39). // Expected to send all the objects in the bucket in this case. {"test-bucket-list-object", "", "Abc", "", 10, resultCases[14], nil, true}, // Marker is to a hierarhical value (40-41). {"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", "", 10, resultCases[15], nil, true}, {"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "", 10, resultCases[16], nil, true}, // Testing with marker and truncation, but no prefix (42-44). {"test-bucket-list-object", "", "newPrefix0", "", 3, resultCases[17], nil, true}, {"test-bucket-list-object", "", "newPrefix1", "", 1, resultCases[18], nil, true}, {"test-bucket-list-object", "", "obj0", "", 1, resultCases[19], nil, true}, // Testing with both marker and prefix, but without truncation (45-47). // The valid combination of marker and prefix should satisfy strings.HasPrefix(marker, prefix). {"test-bucket-list-object", "obj", "obj0", "", 2, resultCases[20], nil, true}, {"test-bucket-list-object", "obj", "obj1", "", 1, resultCases[21], nil, true}, {"test-bucket-list-object", "new", "newPrefix0", "", 2, resultCases[22], nil, true}, // Testing with maxKeys set to 0 (48-54). // The parameters have to valid. {"test-bucket-list-object", "", "obj1", "", 0, ListObjectsResult{}, nil, true}, {"test-bucket-list-object", "", "obj0", "", 0, ListObjectsResult{}, nil, true}, {"test-bucket-list-object", "new", "", "", 0, ListObjectsResult{}, nil, true}, {"test-bucket-list-object", "obj", "", "", 0, ListObjectsResult{}, nil, true}, {"test-bucket-list-object", "obj", "obj0", "", 0, ListObjectsResult{}, nil, true}, {"test-bucket-list-object", "obj", "obj1", "", 0, ListObjectsResult{}, nil, true}, {"test-bucket-list-object", "new", "newPrefix0", "", 0, ListObjectsResult{}, nil, true}, // Tests on hierarchical key names as prefix. // Without delimteter the code should recurse into the prefix Dir. // Tests with prefix, but without delimiter (55-56). {"test-bucket-list-object", "Asia/India/", "", "", 10, resultCases[23], nil, true}, {"test-bucket-list-object", "Asia", "", "", 10, resultCases[24], nil, true}, // Tests with prefix and delimiter (57-59). // With delimeter the code shouldnot recurse into the sub-directories of prefix Dir. {"test-bucket-list-object", "Asia", "", "/", 10, resultCases[25], nil, true}, {"test-bucket-list-object", "new", "", "/", 10, resultCases[26], nil, true}, {"test-bucket-list-object", "Asia/India/", "", "/", 10, resultCases[27], nil, true}, // Test with marker set as hierarhical value and with delimiter. (60-61) {"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", "/", 10, resultCases[28], nil, true}, {"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "/", 10, resultCases[29], nil, true}, } for i, testCase := range testCases { result, err := fs.ListObjects(testCase.bucketName, testCase.prefix, testCase.marker, testCase.delimeter, testCase.maxKeys) if err != nil && testCase.shouldPass { t.Errorf("Test %d: Expected to pass, but failed with: %s", i+1, err.Cause.Error()) } if err == nil && !testCase.shouldPass { t.Errorf("Test %d: Expected to fail with \"%s\", but passed instead", i+1, testCase.err.Error()) } // Failed as expected, but does it fail for the expected reason. if err != nil && !testCase.shouldPass { if !strings.Contains(err.Cause.Error(), testCase.err.Error()) { t.Errorf("Test %d: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead", i+1, testCase.err.Error(), err.Cause.Error()) } } // Since there are cases for which ListObjects fails, this is necessary. // Test passes as expected, but the output values are verified for correctness here. if err == nil && testCase.shouldPass { // The length of the expected ListObjectsResult.Objects should match in both expected result from test cases and in the output. // On failure calling t.Fatalf, otherwise it may lead to index out of range error in assertion following this. if len(testCase.result.Objects) != len(result.Objects) { t.Fatalf("Test %d: Expected number of object in the result to be '%d', but found '%d' objects instead", i+1, len(testCase.result.Objects), len(result.Objects)) } for j := 0; j < len(testCase.result.Objects); j++ { if testCase.result.Objects[j].Name != result.Objects[j].Name { t.Errorf("Test %d: Expected object name to be \"%s\", but found \"%s\" instead", i+1, testCase.result.Objects[j].Name, result.Objects[j].Name) } } if testCase.result.IsTruncated != result.IsTruncated { t.Errorf("Test %d: Expected IsTruncated flag to be %v, but instead found it to be %v", i+1, testCase.result.IsTruncated, result.IsTruncated) } } } } func BenchmarkListObjects(b *testing.B) { // Make a temporary directory to use as the filesystem. directory, e := ioutil.TempDir("", "minio-list-benchmark") if e != nil { b.Fatal(e) } defer os.RemoveAll(directory) // Create the filesystem. filesystem, err := New(directory, 0) if err != nil { b.Fatal(err) } // Create a bucket. err = filesystem.MakeBucket("ls-benchmark-bucket") if err != nil { b.Fatal(err) } for i := 0; i < 20000; i++ { key := "obj" + strconv.Itoa(i) _, err = filesystem.CreateObject("ls-benchmark-bucket", key, "", int64(len(key)), bytes.NewBufferString(key), nil) if err != nil { b.Fatal(err) } } b.ResetTimer() // List the buckets over and over and over. for i := 0; i < b.N; i++ { _, err = filesystem.ListObjects("ls-benchmark-bucket", "", "obj9000", "", -1) if err != nil { b.Fatal(err) } } }