|
| 1 | +package controller |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "reflect" |
| 6 | + "sync" |
| 7 | + "testing" |
| 8 | + |
| 9 | + "k8s.io/apimachinery/pkg/types" |
| 10 | +) |
| 11 | + |
| 12 | +// TestNewInMemoryStore tests the NewInMemoryStore function. |
| 13 | +func TestNewInMemoryStore(t *testing.T) { |
| 14 | + store := NewInMemoryStore() |
| 15 | + if store == nil { |
| 16 | + t.Error("Expected a new store, but got nil") |
| 17 | + } |
| 18 | + if store.data == nil { |
| 19 | + t.Error("Expected store data to be initialized, but it was nil") |
| 20 | + } |
| 21 | +} |
| 22 | + |
| 23 | +// TestAddAndGet tests the Add and GetByPvcUID methods. |
| 24 | +func TestAddAndGetInInMemoryStore(t *testing.T) { |
| 25 | + store := NewInMemoryStore() |
| 26 | + pvcUID := types.UID("a9e2d5a3-1c64-4787-97b7-1a22d5a0b123") |
| 27 | + labels := map[string]string{"foo": "bar"} |
| 28 | + store.UpdateNodeLabels(pvcUID, labels) |
| 29 | + |
| 30 | + retrieved, err := store.GetByPvcUID(pvcUID) |
| 31 | + if err != nil { |
| 32 | + t.Fatalf("unexpected error: %v", err) |
| 33 | + } |
| 34 | + |
| 35 | + expectedInfo := &TopologyInfo{NodeLabels: labels} |
| 36 | + if !reflect.DeepEqual(expectedInfo, retrieved) { |
| 37 | + t.Errorf("Expected %+v, got %+v", expectedInfo, retrieved) |
| 38 | + } |
| 39 | + |
| 40 | + _, err = store.GetByPvcUID("nonexistent") |
| 41 | + if err == nil { |
| 42 | + t.Error("Expected an error for a nonexistent entry, but got nil") |
| 43 | + } |
| 44 | +} |
| 45 | + |
| 46 | +// TestDelete tests the Delete method. |
| 47 | +func TestDeleteInInMemoryStore(t *testing.T) { |
| 48 | + store := NewInMemoryStore() |
| 49 | + pvcUID := types.UID("a9e2d5a3-1c64-4787-97b7-1a22d5a0b123") |
| 50 | + labels := map[string]string{"foo": "bar"} |
| 51 | + store.UpdateNodeLabels(pvcUID, labels) |
| 52 | + |
| 53 | + err := store.Delete(pvcUID) |
| 54 | + if err != nil { |
| 55 | + t.Fatalf("unexpected error: %v", err) |
| 56 | + } |
| 57 | + |
| 58 | + _, err = store.GetByPvcUID(pvcUID) |
| 59 | + if err == nil { |
| 60 | + t.Error("Expected an error after deleting the entry, but got nil") |
| 61 | + } |
| 62 | + |
| 63 | + err = store.Delete("nonexistent") |
| 64 | + if err != nil { |
| 65 | + t.Errorf("Did not expect an error for deleting a nonexistent entry, but got: %v", err) |
| 66 | + } |
| 67 | +} |
| 68 | + |
| 69 | +// TestUpdate tests the update methods. |
| 70 | +func TestUpdateInInMemoryStore(t *testing.T) { |
| 71 | + store := NewInMemoryStore() |
| 72 | + pvcUID := types.UID("a9e2d5a3-1c64-4787-97b7-1a22d5a0b123") |
| 73 | + |
| 74 | + // Test updating a nonexistent entry |
| 75 | + store.UpdateNodeLabels(pvcUID, map[string]string{"foo": "bar"}) |
| 76 | + retrieved, _ := store.GetByPvcUID(pvcUID) |
| 77 | + if retrieved.NodeLabels["foo"] != "bar" { |
| 78 | + t.Errorf("Expected NodeLabels to be updated") |
| 79 | + } |
| 80 | + |
| 81 | + // Test updating an existing entry |
| 82 | + store.UpdateNodeLabels(pvcUID, map[string]string{"foo": "baz"}) |
| 83 | + retrieved, _ = store.GetByPvcUID(pvcUID) |
| 84 | + if retrieved.NodeLabels["foo"] != "baz" { |
| 85 | + t.Errorf("Expected NodeLabels to be updated") |
| 86 | + } |
| 87 | + |
| 88 | + store.UpdateTopologyKeys(pvcUID, []string{"key1"}) |
| 89 | + retrieved, _ = store.GetByPvcUID(pvcUID) |
| 90 | + if retrieved.TopologyKeys[0] != "key1" { |
| 91 | + t.Errorf("Expected TopologyKeys to be updated") |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +// TestUpdateTermsInInMemoryStore tests the UpdateRequisiteTerms methods. |
| 96 | +func TestUpdateTermsInInMemoryStore(t *testing.T) { |
| 97 | + store := NewInMemoryStore() |
| 98 | + pvcUID := types.UID("a9e2d5a3-1c64-4787-97b7-1a22d5a0b123") |
| 99 | + |
| 100 | + // Define some topology terms for testing |
| 101 | + term1 := topologyTerm{ |
| 102 | + {Key: "zone", Value: "zone1"}, |
| 103 | + {Key: "rack", Value: "rack1"}, |
| 104 | + } |
| 105 | + term2 := topologyTerm{ |
| 106 | + {Key: "zone", Value: "zone2"}, |
| 107 | + {Key: "rack", Value: "rack2"}, |
| 108 | + } |
| 109 | + |
| 110 | + // Test updating requisite terms for a nonexistent entry |
| 111 | + store.UpdateRequisiteTerms(pvcUID, []topologyTerm{term1}) |
| 112 | + retrieved, _ := store.GetByPvcUID(pvcUID) |
| 113 | + if !reflect.DeepEqual(retrieved.RequisiteTerms, []topologyTerm{term1}) { |
| 114 | + t.Errorf("Expected RequisiteTerms to be updated") |
| 115 | + } |
| 116 | + |
| 117 | + // Test updating requisite terms for an existing entry |
| 118 | + store.UpdateRequisiteTerms(pvcUID, []topologyTerm{term2}) |
| 119 | + retrieved, _ = store.GetByPvcUID(pvcUID) |
| 120 | + if !reflect.DeepEqual(retrieved.RequisiteTerms, []topologyTerm{term2}) { |
| 121 | + t.Errorf("Expected RequisiteTerms to be updated") |
| 122 | + } |
| 123 | +} |
| 124 | + |
| 125 | +// TestConcurrentAccess tests thread-safety of the InMemoryStore. |
| 126 | +func TestConcurrentAccessInInMemoryStore(t *testing.T) { |
| 127 | + store := NewInMemoryStore() |
| 128 | + var wg sync.WaitGroup |
| 129 | + |
| 130 | + // Number of concurrent goroutines |
| 131 | + concurrency := 100 |
| 132 | + |
| 133 | + wg.Add(concurrency) |
| 134 | + for i := 0; i < concurrency; i++ { |
| 135 | + go func(i int) { |
| 136 | + defer wg.Done() |
| 137 | + pvcUID := types.UID(fmt.Sprintf("item-%d", i)) |
| 138 | + info := &TopologyInfo{TopologyKeys: []string{fmt.Sprintf("key-%d", i)}} |
| 139 | + |
| 140 | + store.UpdateTopologyKeys(pvcUID, info.TopologyKeys) |
| 141 | + |
| 142 | + retrieved, err := store.GetByPvcUID(pvcUID) |
| 143 | + if err != nil { |
| 144 | + t.Errorf("goroutine %d: unexpected error getting item: %v", i, err) |
| 145 | + } |
| 146 | + if !reflect.DeepEqual(retrieved.TopologyKeys, info.TopologyKeys) { |
| 147 | + t.Errorf("goroutine %d: retrieved wrong data", i) |
| 148 | + } |
| 149 | + |
| 150 | + store.UpdateTopologyKeys(pvcUID, []string{fmt.Sprintf("new-key-%d", i)}) |
| 151 | + retrieved, err = store.GetByPvcUID(pvcUID) |
| 152 | + if err != nil { |
| 153 | + t.Errorf("goroutine %d: unexpected error getting item: %v", i, err) |
| 154 | + } |
| 155 | + if !reflect.DeepEqual(retrieved.TopologyKeys, []string{fmt.Sprintf("new-key-%d", i)}) { |
| 156 | + t.Errorf("goroutine %d: retrieved wrong data after update", i) |
| 157 | + } |
| 158 | + |
| 159 | + err = store.Delete(pvcUID) |
| 160 | + if err != nil { |
| 161 | + t.Errorf("goroutine %d: unexpected error deleting item: %v", i, err) |
| 162 | + } |
| 163 | + }(i) |
| 164 | + } |
| 165 | + |
| 166 | + wg.Wait() |
| 167 | +} |
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