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			126 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
| package postgres
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| 
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| import (
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| 	"testing"
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| 	"time"
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| 
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| 	"github.com/go-xorm/xorm"
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| 	"github.com/grafana/grafana/pkg/components/simplejson"
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| 	"github.com/grafana/grafana/pkg/log"
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| 	"github.com/grafana/grafana/pkg/services/sqlstore/sqlutil"
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| 	"github.com/grafana/grafana/pkg/tsdb"
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| 	_ "github.com/lib/pq"
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| 	. "github.com/smartystreets/goconvey/convey"
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| )
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| 
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| // To run this test, remove the Skip from SkipConvey
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| // and set up a PostgreSQL db named grafanatest and a user/password grafanatest/grafanatest
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| func TestPostgres(t *testing.T) {
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| 	SkipConvey("PostgreSQL", t, func() {
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| 		x := InitPostgresTestDB(t)
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| 
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| 		endpoint := &PostgresQueryEndpoint{
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| 			sqlEngine: &tsdb.DefaultSqlEngine{
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| 				MacroEngine: NewPostgresMacroEngine(),
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| 				XormEngine:  x,
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| 			},
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| 			log: log.New("tsdb.postgres"),
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| 		}
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| 
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| 		sess := x.NewSession()
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| 		defer sess.Close()
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| 
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| 		sql := `
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|       CREATE TABLE postgres_types(
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|         c00_smallint smallint,
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|         c01_integer integer,
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|         c02_bigint bigint,
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| 
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|         c03_real real,
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|         c04_double double precision,
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|         c05_decimal decimal(10,2),
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|         c06_numeric numeric(10,2),
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| 
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|         c07_char char(10),
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|         c08_varchar varchar(10),
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|         c09_text text,
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| 
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|         c10_timestamp timestamp without time zone,
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|         c11_timestamptz timestamp with time zone,
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|         c12_date date,
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|         c13_time time without time zone,
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|         c14_timetz time with time zone,
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|         c15_interval interval
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|       );
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|     `
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| 		_, err := sess.Exec(sql)
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| 		So(err, ShouldBeNil)
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| 
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| 		sql = `
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|       INSERT INTO postgres_types VALUES(
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|         1,2,3,
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|         4.5,6.7,1.1,1.2,
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|         'char10','varchar10','text',
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| 
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|         now(),now(),now(),now(),now(),'15m'::interval
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|       );
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|     `
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| 		_, err = sess.Exec(sql)
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| 		So(err, ShouldBeNil)
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| 
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| 		Convey("Query with Table format should map PostgreSQL column types to Go types", func() {
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| 			query := &tsdb.TsdbQuery{
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| 				Queries: []*tsdb.Query{
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| 					{
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| 						Model: simplejson.NewFromAny(map[string]interface{}{
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| 							"rawSql": "SELECT * FROM postgres_types",
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| 							"format": "table",
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| 						}),
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| 						RefId: "A",
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| 					},
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| 				},
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| 			}
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| 
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| 			resp, err := endpoint.Query(nil, nil, query)
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| 			queryResult := resp.Results["A"]
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| 			So(err, ShouldBeNil)
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| 
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| 			column := queryResult.Tables[0].Rows[0]
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| 			So(column[0].(int64), ShouldEqual, 1)
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| 			So(column[1].(int64), ShouldEqual, 2)
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| 			So(column[2].(int64), ShouldEqual, 3)
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| 			So(column[3].(float64), ShouldEqual, 4.5)
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| 			So(column[4].(float64), ShouldEqual, 6.7)
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| 			// libpq doesnt properly convert decimal, numeric and char to go types but returns []uint8 instead
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| 			//			So(column[5].(float64), ShouldEqual, 1.1)
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| 			//			So(column[6].(float64), ShouldEqual, 1.2)
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| 			//			So(column[7].(string), ShouldEqual, "char")
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| 			So(column[8].(string), ShouldEqual, "varchar10")
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| 			So(column[9].(string), ShouldEqual, "text")
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| 
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| 			So(column[10].(time.Time), ShouldHaveSameTypeAs, time.Now())
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| 			So(column[11].(time.Time), ShouldHaveSameTypeAs, time.Now())
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| 			So(column[12].(time.Time), ShouldHaveSameTypeAs, time.Now())
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| 			So(column[13].(time.Time), ShouldHaveSameTypeAs, time.Now())
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| 			So(column[14].(time.Time), ShouldHaveSameTypeAs, time.Now())
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| 
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| 			// libpq doesnt properly convert interval to go types but returns []uint8 instead
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| 			//			So(column[15].(time.Time), ShouldHaveSameTypeAs, time.Now())
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| 		})
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| 	})
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| }
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| 
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| func InitPostgresTestDB(t *testing.T) *xorm.Engine {
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| 	x, err := xorm.NewEngine(sqlutil.TestDB_Postgres.DriverName, sqlutil.TestDB_Postgres.ConnStr)
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| 
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| 	// x.ShowSQL()
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| 
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| 	if err != nil {
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| 		t.Fatalf("Failed to init postgres db %v", err)
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| 	}
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| 
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| 	sqlutil.CleanDB(x)
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| 
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| 	return x
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| }
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