sq/libsq/libsq_test.go
Neil O'Toole 7396aadb9e
#12: multiple joins (#280)
* The query language now supports multiple joins.
2023-07-03 09:34:19 -06:00

143 lines
3.4 KiB
Go

package libsq_test
import (
"reflect"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/samber/lo"
"github.com/neilotoole/sq/testh/tutil"
"github.com/stretchr/testify/require"
"github.com/neilotoole/sq/libsq/core/sqlz"
"github.com/neilotoole/sq/libsq/source"
"github.com/neilotoole/sq/testh"
"github.com/neilotoole/sq/testh/sakila"
)
// TestQuerySQL_Smoke is a smoke test of testh.QuerySQL.
func TestQuerySQL_Smoke(t *testing.T) {
t.Parallel()
wantActorFieldTypes := []reflect.Type{
sqlz.RTypeInt64,
sqlz.RTypeString,
sqlz.RTypeString,
sqlz.RTypeTime,
}
testCases := []struct {
handle string
fieldTypes []reflect.Type
}{
{
handle: sakila.SL3,
fieldTypes: wantActorFieldTypes,
},
{
handle: sakila.My,
fieldTypes: wantActorFieldTypes,
},
{
handle: sakila.Pg,
fieldTypes: wantActorFieldTypes,
},
{
handle: sakila.MS,
fieldTypes: wantActorFieldTypes,
},
{
handle: sakila.CSVActor,
fieldTypes: wantActorFieldTypes,
},
{
handle: sakila.XLSX,
fieldTypes: wantActorFieldTypes,
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.handle, func(t *testing.T) {
tutil.SkipShort(t, tc.handle == sakila.XLSX)
t.Parallel()
th := testh.New(t, testh.OptLongOpen())
src := th.Source(tc.handle)
tblName := sakila.TblActor
if th.IsMonotable(src) {
tblName = source.MonotableName
}
sink, err := th.QuerySQL(src, "SELECT * FROM "+tblName)
require.NoError(t, err)
require.Equal(t, sakila.TblActorCount, len(sink.Recs))
require.Equal(t, len(tc.fieldTypes), len(sink.Recs[0]))
for i := range sink.Recs[0] {
require.Equal(t,
tc.fieldTypes[i].String(),
reflect.TypeOf(sink.Recs[0][i]).String(),
"expected field[%d] {%s} to have type %s but got %s",
i,
sink.RecMeta[i].Name(),
tc.fieldTypes[i].String(),
reflect.TypeOf(sink.Recs[0][i]).String(),
)
}
})
}
}
func TestQuerySQL_Count(t *testing.T) { //nolint:tparallel
testCases := sakila.SQLAll()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th := testh.New(t)
src := th.Source(handle)
sink, err := th.QuerySQL(src, "SELECT * FROM "+sakila.TblActor)
require.NoError(t, err)
require.Equal(t, sakila.TblActorCount, len(sink.Recs))
sink, err = th.QuerySQL(src, "SELECT COUNT(*) FROM "+sakila.TblActor)
require.NoError(t, err)
count, ok := sink.Recs[0][0].(int64)
require.True(t, ok)
require.Equal(t, int64(sakila.TblActorCount), count)
})
}
}
// TestJoinDuplicateColNamesAreRenamed tests handling of multiple occurrences
// of the same result column name. The expected behavior is that the duplicate
// column is renamed.
func TestJoinDuplicateColNamesAreRenamed(t *testing.T) {
th := testh.New(t)
src := th.Source(sakila.SL3)
const query = "SELECT * FROM actor INNER JOIN film_actor ON actor.actor_id = film_actor.actor_id LIMIT 1"
sink, err := th.QuerySQL(src, query)
require.NoError(t, err)
colNames := sink.RecMeta.Names()
// Without intervention, the returned column names would contain duplicates.
// [actor_id, first_name, last_name, last_update, actor_id, film_id, last_update]
t.Logf("Cols: [%s]", strings.Join(colNames, ", "))
colCounts := lo.CountValues(colNames)
for col, count := range colCounts {
assert.True(t, count == 1, "col name {%s} is not unique (occurs %d times)",
col, count)
}
}