Approval-based snapshot testing library for Go (mirror)
fix: fix scrubber json formatting issues
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-105
+3
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__snapshots__/test_complex_nested_structure.snap
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__snapshots__/test_complex_nested_structure.snap
···
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"user",
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},
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Metadata: map[string]interface{}{
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"language": "en-utf-8",
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"language": "en",
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"notifications": true,
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"preferences": map[string]interface{}{
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"email_frequency": "bi-weekly",
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"email_frequency": "weekly",
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"notifications": true,
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},
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"theme": "darker",
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"theme": "dark",
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},
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},
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Tags: []string{
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__snapshots__/test_complex_nested_structure.snap.new
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__snapshots__/test_complex_nested_structure.snap.new
···
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---
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title: Complex Nested Structure
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test_name: TestComplexNestedStructure
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file_name: freeze_test.go
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version: 0.1.0
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---
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freeze_test.Post{
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ID: 100,
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Title: "Introduction to Go Snapshot Testing",
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Content: "This is a comprehensive guide to snapshot testing in Go...",
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Author: freeze_test.User{
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ID: 1,
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Username: "john_doe",
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Email: "john@example.com",
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Active: true,
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CreatedAt: time.Time{
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wall: 0x0,
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ext: 63809375400,
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loc: (*time.Location)(nil),
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},
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Roles: []string{
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"admin",
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"moderator",
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"user",
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},
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Metadata: map[string]interface{}{
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"language": "en",
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"notifications": true,
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"preferences": map[string]interface{}{
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"email_frequency": "weekly",
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"notifications": true,
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},
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"theme": "dark",
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},
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},
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Tags: []string{
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"go",
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"testing",
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"snapshots",
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"best-practices",
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},
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Comments: []freeze_test.Comment{
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{
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ID: 1,
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Author: "alice",
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Content: "Great post!",
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CreatedAt: time.Time{
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wall: 0x0,
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ext: 63810858120,
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loc: (*time.Location)(nil),
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},
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Replies: []freeze_test.Comment{
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{
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ID: 2,
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Author: "bob",
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Content: "I agree!",
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CreatedAt: time.Time{
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wall: 0x0,
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ext: 63810863100,
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loc: (*time.Location)(nil),
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},
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Replies: []freeze_test.Comment{
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},
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},
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},
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},
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{
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ID: 3,
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Author: "charlie",
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Content: "Thanks for sharing!",
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CreatedAt: time.Time{
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wall: 0x0,
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ext: 63810927000,
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loc: (*time.Location)(nil),
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},
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Replies: []freeze_test.Comment{
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},
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},
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},
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Likes: 42,
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Published: true,
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CreatedAt: time.Time{
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wall: 0x0,
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ext: 63809802000,
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loc: (*time.Location)(nil),
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},
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}
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__snapshots__/test_credit_card_scrubbing.snap
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__snapshots__/test_credit_card_scrubbing.snap
···
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version: 0.1.0
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---
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{
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"another_4532123456789010<CREDIT_CARD>",
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"backup_4532 1234 5678 9010<CREDIT_CARD>",
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"card_number": "4532-1234-5678-9010",
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"another_card": "<CREDIT_CARD>",
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"backup_card": "<CREDIT_CARD>",
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"card_number": "<CREDIT_CARD>",
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"name": "John Doe"
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}
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__snapshots__/test_unix_timestamp_scrubbing.snap
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__snapshots__/test_unix_timestamp_scrubbing.snap
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scrubbers.go
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scrubbers.go
···
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uuidPattern = regexp.MustCompile(`[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}`)
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iso8601Pattern = regexp.MustCompile(`\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[+-]\d{2}:\d{2})?`)
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emailPattern = regexp.MustCompile(`[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}`)
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// More conservative Unix timestamp pattern - requires context markers
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// Matches timestamps with common prefixes/suffixes to avoid false positives on IDs
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unixTsPattern = regexp.MustCompile(`(?:timestamp|time|ts|created|updated|at)["\s:=]+(\d{10,13})\b`)
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// Unix timestamp pattern - matches 10-13 digit numbers (Unix timestamps in seconds or milliseconds)
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// Note: This is aggressive and may match other numbers. Use with caution or customize.
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unixTsPattern = regexp.MustCompile(`\b\d{10,13}\b`)
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// IPv4 pattern with basic range validation (not perfect, but better)
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ipv4Pattern = regexp.MustCompile(`\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b`)
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// Credit card pattern - more conservative, requires context
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creditCardPattern = regexp.MustCompile(`(?:card|cc|payment)["\s:=]+(\d{4}[- ]?\d{4}[- ]?\d{4}[- ]?\d{4})\b`)
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// Credit card pattern - matches 16 digit numbers with optional separators
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creditCardPattern = regexp.MustCompile(`\b\d{4}[- ]?\d{4}[- ]?\d{4}[- ]?\d{4}\b`)
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jwtPattern = regexp.MustCompile(`eyJ[a-zA-Z0-9_-]*\.eyJ[a-zA-Z0-9_-]*\.[a-zA-Z0-9_-]*`)
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)
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···
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}
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// ScrubUnixTimestamps replaces Unix timestamps (10-13 digits) with "<UNIX_TS>".
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// Note: This uses a conservative pattern that requires context keywords to avoid
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// false positives on IDs and other numbers. For aggressive scrubbing, use a custom regex.
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// Note: This is aggressive and may match other long numbers. For more conservative
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// scrubbing with context keywords, use a custom regex.
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func ScrubUnixTimestamps() SnapshotOption {
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return WithScrubber(®exScrubber{
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pattern: unixTsPattern,
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replacement: "$1<UNIX_TS>",
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replacement: "<UNIX_TS>",
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})
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}
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···
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func ScrubCreditCards() SnapshotOption {
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return WithScrubber(®exScrubber{
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pattern: creditCardPattern,
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replacement: "$1<CREDIT_CARD>",
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replacement: "<CREDIT_CARD>",
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})
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}
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