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| 1 | +package yugabytedb_test |
| 2 | + |
| 3 | +import ( |
| 4 | +"context" |
| 5 | +"database/sql" |
| 6 | +"fmt" |
| 7 | +"log" |
| 8 | +"net" |
| 9 | + |
| 10 | +_ "github.com/lib/pq" |
| 11 | +"github.com/yugabyte/gocql" |
| 12 | + |
| 13 | +"github.com/testcontainers/testcontainers-go" |
| 14 | +"github.com/testcontainers/testcontainers-go/modules/yugabytedb" |
| 15 | +) |
| 16 | + |
| 17 | +func ExampleRun() { |
| 18 | +// runyugabyteDBContainer { |
| 19 | +ctx := context.Background() |
| 20 | + |
| 21 | +yugabytedbContainer, err := yugabytedb.Run( |
| 22 | +ctx, |
| 23 | +"yugabytedb/yugabyte:2024.1.3.0-b105", |
| 24 | +yugabytedb.WithKeyspace("custom-keyspace"), |
| 25 | +yugabytedb.WithUser("custom-user"), |
| 26 | +yugabytedb.WithDatabaseName("custom-db"), |
| 27 | +yugabytedb.WithDatabaseUser("custom-user"), |
| 28 | +yugabytedb.WithDatabasePassword("custom-password"), |
| 29 | +) |
| 30 | +if err != nil { |
| 31 | +log.Printf("failed to start container: %s", err) |
| 32 | +return |
| 33 | +} |
| 34 | + |
| 35 | +defer func() { |
| 36 | +if err := testcontainers.TerminateContainer(yugabytedbContainer); err != nil { |
| 37 | +log.Printf("failed to terminate container: %s", err) |
| 38 | +} |
| 39 | +}() |
| 40 | +// } |
| 41 | + |
| 42 | +state, err := yugabytedbContainer.State(ctx) |
| 43 | +if err != nil { |
| 44 | +log.Printf("failed to get container state: %s", err) |
| 45 | +return |
| 46 | +} |
| 47 | + |
| 48 | +fmt.Println(state.Running) |
| 49 | + |
| 50 | +// Output: true |
| 51 | +} |
| 52 | + |
| 53 | +func ExampleContainer_YSQLConnectionString() { |
| 54 | +ctx := context.Background() |
| 55 | + |
| 56 | +yugabytedbContainer, err := yugabytedb.Run( |
| 57 | +ctx, |
| 58 | +"yugabytedb/yugabyte:2024.1.3.0-b105", |
| 59 | +) |
| 60 | +if err != nil { |
| 61 | +log.Printf("failed to start container: %s", err) |
| 62 | +return |
| 63 | +} |
| 64 | + |
| 65 | +defer func() { |
| 66 | +if err := testcontainers.TerminateContainer(yugabytedbContainer); err != nil { |
| 67 | +log.Printf("failed to terminate container: %s", err) |
| 68 | +} |
| 69 | +}() |
| 70 | + |
| 71 | +connStr, err := yugabytedbContainer.YSQLConnectionString(ctx, "sslmode=disable") |
| 72 | +if err != nil { |
| 73 | +log.Printf("failed to get connection string: %s", err) |
| 74 | +return |
| 75 | +} |
| 76 | + |
| 77 | +db, err := sql.Open("postgres", connStr) |
| 78 | +if err != nil { |
| 79 | +log.Printf("failed to open connection: %s", err) |
| 80 | +return |
| 81 | +} |
| 82 | + |
| 83 | +defer db.Close() |
| 84 | + |
| 85 | +var i int |
| 86 | +row := db.QueryRowContext(ctx, "SELECT 1") |
| 87 | +if err := row.Scan(&i); err != nil { |
| 88 | +log.Printf("failed to scan row: %s", err) |
| 89 | +return |
| 90 | +} |
| 91 | + |
| 92 | +fmt.Println(i) |
| 93 | + |
| 94 | +// Output: 1 |
| 95 | +} |
| 96 | + |
| 97 | +func ExampleContainer_newCluster() { |
| 98 | +ctx := context.Background() |
| 99 | + |
| 100 | +yugabytedbContainer, err := yugabytedb.Run( |
| 101 | +ctx, |
| 102 | +"yugabytedb/yugabyte:2024.1.3.0-b105", |
| 103 | +) |
| 104 | +if err != nil { |
| 105 | +log.Printf("failed to start container: %s", err) |
| 106 | +return |
| 107 | +} |
| 108 | + |
| 109 | +defer func() { |
| 110 | +if err := testcontainers.TerminateContainer(yugabytedbContainer); err != nil { |
| 111 | +log.Printf("failed to terminate container: %s", err) |
| 112 | +} |
| 113 | +}() |
| 114 | + |
| 115 | +yugabytedbContainerHost, err := yugabytedbContainer.Host(ctx) |
| 116 | +if err != nil { |
| 117 | +log.Printf("failed to get container host: %s", err) |
| 118 | +return |
| 119 | +} |
| 120 | + |
| 121 | +yugabyteContainerPort, err := yugabytedbContainer.MappedPort(ctx, "9042/tcp") |
| 122 | +if err != nil { |
| 123 | +log.Printf("failed to get container port: %s", err) |
| 124 | +return |
| 125 | +} |
| 126 | + |
| 127 | +cluster := gocql.NewCluster(net.JoinHostPort(yugabytedbContainerHost, yugabyteContainerPort.Port())) |
| 128 | +cluster.Keyspace = "yugabyte" |
| 129 | +cluster.Authenticator = gocql.PasswordAuthenticator{ |
| 130 | +Username: "yugabyte", |
| 131 | +Password: "yugabyte", |
| 132 | +} |
| 133 | + |
| 134 | +session, err := cluster.CreateSession() |
| 135 | +if err != nil { |
| 136 | +log.Printf("failed to create session: %s", err) |
| 137 | +return |
| 138 | +} |
| 139 | + |
| 140 | +defer session.Close() |
| 141 | + |
| 142 | +var i int |
| 143 | +if err := session.Query(` |
| 144 | +SELECT COUNT(*) |
| 145 | +FROM system_schema.keyspaces |
| 146 | +WHERE keyspace_name = 'yugabyte' |
| 147 | +`).Scan(&i); err != nil { |
| 148 | +log.Printf("failed to scan row: %s", err) |
| 149 | +return |
| 150 | +} |
| 151 | + |
| 152 | +fmt.Println(i) |
| 153 | + |
| 154 | +// Output: 1 |
| 155 | +} |
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