Get a unit type

datastore/datastore.go

@@ -16,6 +16,7 @@ type Datastore struct {
 	ObservationTypes     models.ObservationTypesService
 	Observations         models.ObservationsService
 	TextMeasurementTypes models.TextMeasurementTypesService
+	UnitTypes            models.UnitTypesService
 	dbh                  modl.SqlExecutor
 }
 
@@ -39,6 +40,7 @@ func NewDatastore(dbh modl.SqlExecutor) *Datastore {
 	d.ObservationTypes = &observationTypesStore{d}
 	d.Observations = &observationsStore{d}
 	d.TextMeasurementTypes = &textMeasurementTypesStore{d}
+	d.UnitTypes = &unitTypesStore{d}
 	return d
 }
 
@@ -51,5 +53,6 @@ func NewMockDatastore() *Datastore {
 		ObservationTypes:     &models.MockObservationTypesService{},
 		Observations:         &models.MockObservationsService{},
 		TextMeasurementTypes: &models.MockTextMeasurementTypesService{},
+		UnitTypes:            &models.MockUnitTypesService{},
 	}
 }

datastore/unit_types.go

@@ -0,0 +1,22 @@
+package datastore
+
+import "github.com/thermokarst/bactdb/models"
+
+func init() {
+	DB.AddTableWithName(models.UnitType{}, "unit_types").SetKeys(true, "Id")
+}
+
+type unitTypesStore struct {
+	*Datastore
+}
+
+func (s *unitTypesStore) Get(id int64) (*models.UnitType, error) {
+	var unit_type []*models.UnitType
+	if err := s.dbh.Select(&unit_type, `SELECT * FROM unit_types WHERE id=$1;`, id); err != nil {
+		return nil, err
+	}
+	if len(unit_type) == 0 {
+		return nil, models.ErrUnitTypeNotFound
+	}
+	return unit_type[0], nil
+}

datastore/unit_types_test.go

@@ -0,0 +1,44 @@
+package datastore
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jmoiron/modl"
+	"github.com/thermokarst/bactdb/models"
+)
+
+func insertUnitType(t *testing.T, tx *modl.Transaction) *models.UnitType {
+	// clean up our target table
+	tx.Exec(`DELETE FROM unit_types;`)
+	unit_type := newUnitType(t, tx)
+	if err := tx.Insert(unit_type); err != nil {
+		t.Fatal(err)
+	}
+	return unit_type
+}
+
+func newUnitType(t *testing.T, tx *modl.Transaction) *models.UnitType {
+	return &models.UnitType{Name: "Test Unit Type", Symbol: "x"}
+}
+
+func TestUnitTypesStore_Get_db(t *testing.T) {
+	tx, _ := DB.Begin()
+	defer tx.Rollback()
+
+	want := insertUnitType(t, tx)
+
+	d := NewDatastore(tx)
+
+	unit_type, err := d.UnitTypes.Get(want.Id)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	normalizeTime(&want.CreatedAt, &want.UpdatedAt, &want.DeletedAt)
+	normalizeTime(&unit_type.CreatedAt, &unit_type.UpdatedAt, &unit_type.DeletedAt)
+
+	if !reflect.DeepEqual(unit_type, want) {
+		t.Errorf("got unit_type %+v, want %+v", unit_type, want)
+	}
+}