connector_test.go•6 kB
package mysql
import (
"context"
"path/filepath"
"testing"
"github.com/centralmind/gateway/connectors"
"github.com/centralmind/gateway/model"
"github.com/docker/go-connections/nat"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/modules/mysql"
)
func TestConnector(t *testing.T) {
ctx := context.Background()
dbName := "testdb"
dbUser := "user"
dbPassword := "password"
mysqlContainer, err := mysql.Run(ctx,
"mysql:8.0",
mysql.WithDatabase(dbName),
mysql.WithUsername(dbUser),
mysql.WithPassword(dbPassword),
mysql.WithScripts(filepath.Join("testdata", "test_data.sql")),
)
require.NoError(t, err)
defer func() {
require.NoError(t, testcontainers.TerminateContainer(mysqlContainer))
}()
host, err := mysqlContainer.Host(ctx)
require.NoError(t, err)
port, err := mysqlContainer.MappedPort(ctx, nat.Port("3306/tcp"))
require.NoError(t, err)
logrus.Infof("mysql running on %s:%d", host, port.Int())
cfg := Config{
Host: host,
Database: dbName,
User: dbUser,
Password: dbPassword,
Port: port.Int(),
}
connector, err := connectors.New("mysql", cfg)
assert.NoError(t, err)
assert.NotNil(t, connector)
t.Run("Ping Database", func(t *testing.T) {
err := connector.Ping(ctx)
assert.NoError(t, err)
})
t.Run("Discovery Tables", func(t *testing.T) {
tables, err := connector.Discovery(ctx, nil)
assert.NoError(t, err)
assert.NotEmpty(t, tables)
})
t.Run("Read Endpoint", func(t *testing.T) {
endpoint := model.Endpoint{
Query: "SELECT COUNT(*) AS total_count FROM gachi_teams",
Params: []model.EndpointParams{},
}
params := map[string]any{}
rows, err := connector.Query(ctx, endpoint, params)
assert.NoError(t, err)
assert.NotEmpty(t, rows)
})
t.Run("Query Endpoint", func(t *testing.T) {
endpoint := model.Endpoint{
Query: `SELECT name, strength_level, special_move
FROM gachi_personas
WHERE strength_level > :min_strength
ORDER BY strength_level DESC`,
Params: []model.EndpointParams{
{
Name: "min_strength",
Type: "int",
Required: true,
},
},
}
params := map[string]any{
"min_strength": 90,
}
rows, err := connector.Query(ctx, endpoint, params)
assert.NoError(t, err)
assert.NotEmpty(t, rows)
// Verify results
expected := []map[string]any{
{"name": "Billy Herrington", "strength_level": int64(100), "special_move": "Anvil Drop"},
{"name": "Van Darkholme", "strength_level": int64(95), "special_move": "Whip of Submission"},
}
assert.Equal(t, len(expected), len(rows))
for i, exp := range expected {
assert.Equal(t, exp["name"], rows[i]["name"])
assert.Equal(t, exp["strength_level"], rows[i]["strength_level"])
assert.Equal(t, exp["special_move"], rows[i]["special_move"])
}
})
}
func TestMySQLTypeMapping(t *testing.T) {
c := &Connector{}
tests := []struct {
name string
sqlType string
expected model.ColumnType
}{
// String types
{"varchar", "VARCHAR", model.TypeString},
{"text", "TEXT", model.TypeString},
{"char", "CHAR", model.TypeString},
{"tinytext", "TINYTEXT", model.TypeString},
{"mediumtext", "MEDIUMTEXT", model.TypeString},
{"longtext", "LONGTEXT", model.TypeString},
{"enum", "ENUM", model.TypeString},
// Numeric types
{"decimal", "DECIMAL", model.TypeNumber},
{"numeric", "NUMERIC", model.TypeNumber},
{"float", "FLOAT", model.TypeNumber},
{"double", "DOUBLE", model.TypeNumber},
// Integer types
{"int", "INT", model.TypeInteger},
{"tinyint", "TINYINT", model.TypeInteger},
{"smallint", "SMALLINT", model.TypeInteger},
{"mediumint", "MEDIUMINT", model.TypeInteger},
{"bigint", "BIGINT", model.TypeInteger},
// Boolean type (MySQL uses TINYINT(1) for boolean)
{"boolean", "BOOLEAN", model.TypeBoolean},
{"bool", "BOOL", model.TypeBoolean},
{"tinyint(1)", "TINYINT(1)", model.TypeBoolean},
// JSON type
{"json", "JSON", model.TypeObject},
// Set type (mapped to array)
{"set", "SET", model.TypeArray},
// Date/Time types
{"date", "DATE", model.TypeDatetime},
{"time", "TIME", model.TypeDatetime},
{"datetime", "DATETIME", model.TypeDatetime},
{"timestamp", "TIMESTAMP", model.TypeDatetime},
{"year", "YEAR", model.TypeDatetime},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := c.GuessColumnType(tt.sqlType)
assert.Equal(t, tt.expected, result, "Type mapping mismatch for %s", tt.sqlType)
})
}
}
func TestLoadColumns_WithPrimaryKey(t *testing.T) {
ctx := context.Background()
dbName := "testdb"
dbUser := "user"
dbPassword := "password"
mysqlContainer, err := mysql.Run(ctx,
"mysql:8.0",
mysql.WithDatabase(dbName),
mysql.WithUsername(dbUser),
mysql.WithPassword(dbPassword),
mysql.WithScripts(filepath.Join("testdata", "test_schema.sql")),
)
require.NoError(t, err)
defer func() {
require.NoError(t, testcontainers.TerminateContainer(mysqlContainer))
}()
host, err := mysqlContainer.Host(ctx)
require.NoError(t, err)
port, err := mysqlContainer.MappedPort(ctx, nat.Port("3306/tcp"))
require.NoError(t, err)
cfg := Config{
Host: host,
Database: dbName,
User: dbUser,
Password: dbPassword,
Port: port.Int(),
}
connector, err := connectors.New("mysql", cfg)
require.NoError(t, err)
// Test primary key detection
c := connector.(*Connector)
columns, err := c.LoadsColumns(ctx, "test_table")
require.NoError(t, err)
// Verify results
assert.Len(t, columns, 3)
// Find and verify primary key column
var foundPK bool
for _, col := range columns {
if col.Name == "id" {
assert.True(t, col.PrimaryKey, "Column 'id' should be a primary key")
foundPK = true
} else {
assert.False(t, col.PrimaryKey, "Column '%s' should not be a primary key", col.Name)
}
}
assert.True(t, foundPK, "Primary key column 'id' not found")
}