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							242 lines
						
					
					
						
							9.7 KiB
						
					
					
				| package s3api | |
| 
 | |
| import ( | |
| 	"testing" | |
| 
 | |
| 	"github.com/stretchr/testify/assert" | |
| ) | |
| 
 | |
| // TestClassifyDomainNames tests the domain classification logic for mixed virtual-host and path-style S3 access | |
| // This test validates the fix for issue #7356 | |
| func TestClassifyDomainNames(t *testing.T) { | |
| 	tests := []struct { | |
| 		name                string | |
| 		domainNames         []string | |
| 		expectedPathStyle   []string | |
| 		expectedVirtualHost []string | |
| 		description         string | |
| 	}{ | |
| 		{ | |
| 			name:                "Mixed path-style and virtual-host with single parent", | |
| 			domainNames:         []string{"s3.mydomain.com", "develop.s3.mydomain.com"}, | |
| 			expectedPathStyle:   []string{"develop.s3.mydomain.com"}, | |
| 			expectedVirtualHost: []string{"s3.mydomain.com"}, | |
| 			description:         "develop.s3.mydomain.com is path-style because s3.mydomain.com is in the list", | |
| 		}, | |
| 		{ | |
| 			name:                "Multiple subdomains with same parent", | |
| 			domainNames:         []string{"s3.mydomain.com", "develop.s3.mydomain.com", "staging.s3.mydomain.com"}, | |
| 			expectedPathStyle:   []string{"develop.s3.mydomain.com", "staging.s3.mydomain.com"}, | |
| 			expectedVirtualHost: []string{"s3.mydomain.com"}, | |
| 			description:         "Multiple subdomains can be path-style when parent is in the list", | |
| 		}, | |
| 		{ | |
| 			name:                "Subdomain without parent in list", | |
| 			domainNames:         []string{"develop.s3.mydomain.com"}, | |
| 			expectedPathStyle:   []string{}, | |
| 			expectedVirtualHost: []string{"develop.s3.mydomain.com"}, | |
| 			description:         "Subdomain becomes virtual-host when parent is not in the list", | |
| 		}, | |
| 		{ | |
| 			name:                "Only top-level domain", | |
| 			domainNames:         []string{"s3.mydomain.com"}, | |
| 			expectedPathStyle:   []string{}, | |
| 			expectedVirtualHost: []string{"s3.mydomain.com"}, | |
| 			description:         "Top-level domain is always virtual-host style", | |
| 		}, | |
| 		{ | |
| 			name:                "Multiple independent domains", | |
| 			domainNames:         []string{"s3.domain1.com", "s3.domain2.com"}, | |
| 			expectedPathStyle:   []string{}, | |
| 			expectedVirtualHost: []string{"s3.domain1.com", "s3.domain2.com"}, | |
| 			description:         "Independent domains without parent relationships are all virtual-host", | |
| 		}, | |
| 		{ | |
| 			name:                "Mixed with nested levels", | |
| 			domainNames:         []string{"example.com", "s3.example.com", "api.s3.example.com"}, | |
| 			expectedPathStyle:   []string{"s3.example.com", "api.s3.example.com"}, | |
| 			expectedVirtualHost: []string{"example.com"}, | |
| 			description:         "Both s3.example.com and api.s3.example.com are path-style because their immediate parents are in the list", | |
| 		}, | |
| 		{ | |
| 			name:                "Domain without dot", | |
| 			domainNames:         []string{"localhost"}, | |
| 			expectedPathStyle:   []string{}, | |
| 			expectedVirtualHost: []string{"localhost"}, | |
| 			description:         "Domain without dot (no subdomain) is virtual-host style", | |
| 		}, | |
| 		{ | |
| 			name:                "Empty list", | |
| 			domainNames:         []string{}, | |
| 			expectedPathStyle:   []string{}, | |
| 			expectedVirtualHost: []string{}, | |
| 			description:         "Empty domain list returns empty results", | |
| 		}, | |
| 		{ | |
| 			name:                "Mixed localhost and domain", | |
| 			domainNames:         []string{"localhost", "s3.localhost"}, | |
| 			expectedPathStyle:   []string{"s3.localhost"}, | |
| 			expectedVirtualHost: []string{"localhost"}, | |
| 			description:         "s3.localhost is path-style when localhost is in the list", | |
| 		}, | |
| 		{ | |
| 			name:                "Three-level subdomain hierarchy", | |
| 			domainNames:         []string{"example.com", "s3.example.com", "dev.s3.example.com", "api.dev.s3.example.com"}, | |
| 			expectedPathStyle:   []string{"s3.example.com", "dev.s3.example.com", "api.dev.s3.example.com"}, | |
| 			expectedVirtualHost: []string{"example.com"}, | |
| 			description:         "Each level that has its parent in the list becomes path-style", | |
| 		}, | |
| 		{ | |
| 			name:                "Real-world example from issue #7356", | |
| 			domainNames:         []string{"s3.mydomain.com", "develop.s3.mydomain.com", "staging.s3.mydomain.com", "prod.s3.mydomain.com"}, | |
| 			expectedPathStyle:   []string{"develop.s3.mydomain.com", "staging.s3.mydomain.com", "prod.s3.mydomain.com"}, | |
| 			expectedVirtualHost: []string{"s3.mydomain.com"}, | |
| 			description:         "Real-world scenario with multiple environment subdomains", | |
| 		}, | |
| 	} | |
| 
 | |
| 	for _, tt := range tests { | |
| 		t.Run(tt.name, func(t *testing.T) { | |
| 			pathStyle, virtualHost := classifyDomainNames(tt.domainNames) | |
| 
 | |
| 			assert.ElementsMatch(t, tt.expectedPathStyle, pathStyle, | |
| 				"Path-style domains mismatch: %s", tt.description) | |
| 			assert.ElementsMatch(t, tt.expectedVirtualHost, virtualHost, | |
| 				"Virtual-host domains mismatch: %s", tt.description) | |
| 		}) | |
| 	} | |
| } | |
| 
 | |
| // TestClassifyDomainNamesOrder tests that the function maintains consistent behavior regardless of input order | |
| func TestClassifyDomainNamesOrder(t *testing.T) { | |
| 	tests := []struct { | |
| 		name        string | |
| 		domainNames []string | |
| 		description string | |
| 	}{ | |
| 		{ | |
| 			name:        "Parent before child", | |
| 			domainNames: []string{"s3.mydomain.com", "develop.s3.mydomain.com"}, | |
| 			description: "Parent domain listed before child", | |
| 		}, | |
| 		{ | |
| 			name:        "Child before parent", | |
| 			domainNames: []string{"develop.s3.mydomain.com", "s3.mydomain.com"}, | |
| 			description: "Child domain listed before parent", | |
| 		}, | |
| 		{ | |
| 			name:        "Mixed order with multiple children", | |
| 			domainNames: []string{"staging.s3.mydomain.com", "s3.mydomain.com", "develop.s3.mydomain.com"}, | |
| 			description: "Children and parent in mixed order", | |
| 		}, | |
| 	} | |
| 
 | |
| 	for _, tt := range tests { | |
| 		t.Run(tt.name, func(t *testing.T) { | |
| 			pathStyle, virtualHost := classifyDomainNames(tt.domainNames) | |
| 
 | |
| 			// Regardless of order, the result should be consistent | |
| 			// Parent should be virtual-host | |
| 			assert.Contains(t, virtualHost, "s3.mydomain.com", | |
| 				"Parent should always be virtual-host: %s", tt.description) | |
| 
 | |
| 			// Children should be path-style | |
| 			if len(tt.domainNames) > 1 { | |
| 				assert.Greater(t, len(pathStyle), 0, | |
| 					"Should have at least one path-style domain: %s", tt.description) | |
| 			} | |
| 		}) | |
| 	} | |
| } | |
| 
 | |
| // TestClassifyDomainNamesEdgeCases tests edge cases and special scenarios | |
| func TestClassifyDomainNamesEdgeCases(t *testing.T) { | |
| 	t.Run("Duplicate domains", func(t *testing.T) { | |
| 		domainNames := []string{"s3.example.com", "s3.example.com", "api.s3.example.com"} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		// Even with duplicates, classification should work | |
| 		assert.Contains(t, pathStyle, "api.s3.example.com") | |
| 		assert.Contains(t, virtualHost, "s3.example.com") | |
| 	}) | |
| 
 | |
| 	t.Run("Very long domain name", func(t *testing.T) { | |
| 		domainNames := []string{"very.long.subdomain.hierarchy.example.com", "long.subdomain.hierarchy.example.com"} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		// Should handle long domains correctly | |
| 		assert.Contains(t, pathStyle, "very.long.subdomain.hierarchy.example.com") | |
| 		assert.Contains(t, virtualHost, "long.subdomain.hierarchy.example.com") | |
| 	}) | |
| 
 | |
| 	t.Run("Similar but different domains", func(t *testing.T) { | |
| 		domainNames := []string{"s3.example.com", "s3.examples.com", "api.s3.example.com"} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		// api.s3.example.com should be path-style (parent s3.example.com is in list) | |
| 		// s3.examples.com should be virtual-host (different domain) | |
| 		assert.Contains(t, pathStyle, "api.s3.example.com") | |
| 		assert.Contains(t, virtualHost, "s3.example.com") | |
| 		assert.Contains(t, virtualHost, "s3.examples.com") | |
| 	}) | |
| 
 | |
| 	t.Run("IP address as domain", func(t *testing.T) { | |
| 		domainNames := []string{"127.0.0.1"} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		// IP address should be treated as virtual-host | |
| 		assert.Empty(t, pathStyle) | |
| 		assert.Contains(t, virtualHost, "127.0.0.1") | |
| 	}) | |
| } | |
| 
 | |
| // TestClassifyDomainNamesUseCases tests real-world use cases | |
| func TestClassifyDomainNamesUseCases(t *testing.T) { | |
| 	t.Run("Issue #7356 - Prometheus blackbox exporter scenario", func(t *testing.T) { | |
| 		// From the PR: allow both path-style and virtual-host within same subdomain | |
| 		// curl -H 'Host: develop.s3.mydomain.com' http://127.0.0.1:8000/prometheus-blackbox-exporter/status.html | |
| 		// curl -H 'Host: prometheus-blackbox-exporter.s3.mydomain.com' http://127.0.0.1:8000/status.html | |
|  | |
| 		domainNames := []string{"s3.mydomain.com", "develop.s3.mydomain.com"} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		// develop.s3.mydomain.com should be path-style for /bucket/object access | |
| 		assert.Contains(t, pathStyle, "develop.s3.mydomain.com", | |
| 			"develop subdomain should be path-style") | |
| 
 | |
| 		// s3.mydomain.com should be virtual-host for bucket.s3.mydomain.com access | |
| 		assert.Contains(t, virtualHost, "s3.mydomain.com", | |
| 			"parent domain should be virtual-host") | |
| 	}) | |
| 
 | |
| 	t.Run("Multi-environment setup", func(t *testing.T) { | |
| 		// Common scenario: different environments using different access styles | |
| 		domainNames := []string{ | |
| 			"s3.company.com",         // Production - virtual-host style | |
| 			"dev.s3.company.com",     // Development - path-style | |
| 			"test.s3.company.com",    // Testing - path-style | |
| 			"staging.s3.company.com", // Staging - path-style | |
| 		} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		assert.Len(t, pathStyle, 3, "Should have 3 path-style domains") | |
| 		assert.Len(t, virtualHost, 1, "Should have 1 virtual-host domain") | |
| 		assert.Contains(t, virtualHost, "s3.company.com") | |
| 	}) | |
| 
 | |
| 	t.Run("Mixed production setup", func(t *testing.T) { | |
| 		// Multiple base domains with their own subdomains | |
| 		domainNames := []string{ | |
| 			"s3-us-east.company.com", | |
| 			"api.s3-us-east.company.com", | |
| 			"s3-eu-west.company.com", | |
| 			"api.s3-eu-west.company.com", | |
| 		} | |
| 		pathStyle, virtualHost := classifyDomainNames(domainNames) | |
| 
 | |
| 		assert.Contains(t, pathStyle, "api.s3-us-east.company.com") | |
| 		assert.Contains(t, pathStyle, "api.s3-eu-west.company.com") | |
| 		assert.Contains(t, virtualHost, "s3-us-east.company.com") | |
| 		assert.Contains(t, virtualHost, "s3-eu-west.company.com") | |
| 	}) | |
| }
 |