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export_test.go
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export_test.go
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package datatable_test
import (
"encoding/json"
"testing"
"github.com/datasweet/datatable"
"github.com/stretchr/testify/assert"
)
func sampleForExport(t *testing.T) *datatable.DataTable {
customers := datatable.New("Customers")
err := customers.AddColumn("id", datatable.Int)
assert.NoError(t, err)
err = customers.AddColumn("prenom", datatable.String)
assert.NoError(t, err)
err = customers.AddColumn("nom", datatable.String)
assert.NoError(t, err)
//dc.Hidden(true)
err = customers.AddColumn("expr_nom", datatable.String, datatable.Expr("`prenom` ~ ' ' ~ UPPER(`nom`)"))
assert.NoError(t, err)
//dc.Label("nom")
err = customers.AddColumn("email", datatable.String)
assert.NoError(t, err)
err = customers.AddColumn("ville", datatable.String)
assert.NoError(t, err)
customers.AppendRow(1, "Aimée", "Marechal", nil, "[email protected]", "Paris")
customers.AppendRow(2, "Esmée", "Lefort", nil, "[email protected]", "Lyon")
customers.AppendRow(3, "Marine", "Prevost", nil, "[email protected]", "Lille")
customers.AppendRow(4, "Luc", "Rolland", nil, "[email protected]", "Marseille")
// Change structs
assert.NoError(t, customers.RenameColumn("id", "Client ID"))
customers.HideColumn("prenom")
customers.HideColumn("nom")
assert.Error(t, customers.RenameColumn("expr_nom", "nom"))
assert.NoError(t, customers.RenameColumn("expr_nom", "Nom"))
checkTable(t, customers,
"Client ID", "Nom", "email", "ville",
1, "Aimée MARECHAL", "[email protected]", "Paris",
2, "Esmée LEFORT", "[email protected]", "Lyon",
3, "Marine PREVOST", "[email protected]", "Lille",
4, "Luc ROLLAND", "[email protected]", "Marseille",
)
return customers
}
func TestToTable(t *testing.T) {
dt := sampleForExport(t)
out := dt.ToTable()
assert.NotNil(t, out)
expected := `[
["Client ID", "Nom", "email", "ville"],
[1, "Aimée MARECHAL", "[email protected]", "Paris"],
[2, "Esmée LEFORT", "[email protected]", "Lyon"],
[3, "Marine PREVOST", "[email protected]", "Lille"],
[4, "Luc ROLLAND", "[email protected]", "Marseille"]
]`
bytes, err := json.Marshal(out)
assert.NoError(t, err)
assert.JSONEq(t, expected, string(bytes))
out2 := dt.ToTable(datatable.ExportHidden(true))
assert.NotNil(t, out2)
expected2 := `[
["Client ID", "prenom", "nom", "Nom", "email", "ville"],
[1, "Aimée", "Marechal", "Aimée MARECHAL", "[email protected]", "Paris"],
[2, "Esmée", "Lefort", "Esmée LEFORT", "[email protected]", "Lyon"],
[3, "Marine", "Prevost", "Marine PREVOST", "[email protected]", "Lille"],
[4, "Luc", "Rolland", "Luc ROLLAND", "[email protected]", "Marseille"]
]`
bytes, err = json.Marshal(out2)
assert.NoError(t, err)
assert.JSONEq(t, expected2, string(bytes))
}
func TestToMap(t *testing.T) {
dt := sampleForExport(t)
out := dt.ToMap()
assert.NotNil(t, out)
expected := `[
{ "Client ID":1, "Nom":"Aimée MARECHAL", "email":"[email protected]", "ville":"Paris" },
{ "Client ID":2, "Nom":"Esmée LEFORT", "email":"[email protected]", "ville":"Lyon" },
{ "Client ID":3, "Nom":"Marine PREVOST", "email":"[email protected]", "ville":"Lille" },
{ "Client ID":4, "Nom":"Luc ROLLAND", "email":"[email protected]", "ville":"Marseille" }
]`
bytes, err := json.Marshal(out)
assert.NoError(t, err)
assert.JSONEq(t, expected, string(bytes))
out2 := dt.ToMap(datatable.ExportHidden(true))
assert.NotNil(t, out2)
expected2 := `[
{ "Client ID":1, "prenom": "Aimée", "nom": "Marechal", "Nom":"Aimée MARECHAL", "email":"[email protected]", "ville":"Paris" },
{ "Client ID":2, "prenom": "Esmée", "nom": "Lefort", "Nom":"Esmée LEFORT", "email":"[email protected]", "ville":"Lyon" },
{ "Client ID":3, "prenom": "Marine", "nom": "Prevost", "Nom":"Marine PREVOST", "email":"[email protected]", "ville":"Lille" },
{ "Client ID":4, "prenom": "Luc", "nom": "Rolland", "Nom":"Luc ROLLAND", "email":"[email protected]", "ville":"Marseille" }
]`
bytes, err = json.Marshal(out2)
assert.NoError(t, err)
assert.JSONEq(t, expected2, string(bytes))
}
func TestToSchema(t *testing.T) {
dt := sampleForExport(t)
schema := dt.ToSchema()
assert.NotNil(t, schema)
assert.Equal(t, "Customers", schema.Name)
assert.Equal(t, []datatable.SchemaColumn{
datatable.SchemaColumn{"Client ID", "NullInt"},
datatable.SchemaColumn{"Nom", "NullString"},
datatable.SchemaColumn{"email", "NullString"},
datatable.SchemaColumn{"ville", "NullString"},
}, schema.Columns)
assert.Len(t, schema.Rows, 4)
assert.Equal(t, []interface{}{1, "Aimée MARECHAL", "[email protected]", "Paris"}, schema.Rows[0])
assert.Equal(t, []interface{}{2, "Esmée LEFORT", "[email protected]", "Lyon"}, schema.Rows[1])
assert.Equal(t, []interface{}{3, "Marine PREVOST", "[email protected]", "Lille"}, schema.Rows[2])
assert.Equal(t, []interface{}{4, "Luc ROLLAND", "[email protected]", "Marseille"}, schema.Rows[3])
schema2 := dt.ToSchema(datatable.ExportHidden(true))
assert.NotNil(t, schema2)
assert.Equal(t, "Customers", schema2.Name)
assert.Equal(t, []datatable.SchemaColumn{
datatable.SchemaColumn{"Client ID", "NullInt"},
datatable.SchemaColumn{"prenom", "NullString"},
datatable.SchemaColumn{"nom", "NullString"},
datatable.SchemaColumn{"Nom", "NullString"},
datatable.SchemaColumn{"email", "NullString"},
datatable.SchemaColumn{"ville", "NullString"},
}, schema2.Columns)
assert.Len(t, schema2.Rows, 4)
assert.Equal(t, []interface{}{1, "Aimée", "Marechal", "Aimée MARECHAL", "[email protected]", "Paris"}, schema2.Rows[0])
assert.Equal(t, []interface{}{2, "Esmée", "Lefort", "Esmée LEFORT", "[email protected]", "Lyon"}, schema2.Rows[1])
assert.Equal(t, []interface{}{3, "Marine", "Prevost", "Marine PREVOST", "[email protected]", "Lille"}, schema2.Rows[2])
assert.Equal(t, []interface{}{4, "Luc", "Rolland", "Luc ROLLAND", "[email protected]", "Marseille"}, schema2.Rows[3])
}