1
0
mirror of https://github.com/danog/liquid.git synced 2024-12-02 16:37:48 +01:00
liquid/evaluator/value_test.go
2017-07-20 09:52:05 -04:00

67 lines
2.4 KiB
Go

package evaluator
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestValue(t *testing.T) {
var (
nv = ValueOf(nil)
// fv = ValueOf(false)
// tv = ValueOf(true)
iv = ValueOf(123)
// fv = ValueOf(123.0)
)
require.Equal(t, 123, iv.Int())
require.Panics(t, func() { nv.Int() })
require.True(t, iv.Equal(ValueOf(123)))
require.True(t, iv.Equal(ValueOf(123.0)))
require.True(t, iv.Less(ValueOf(200)))
}
func TestValue_array(t *testing.T) {
av := ValueOf([]string{"first", "second", "third"})
require.True(t, av.Contains(ValueOf("first")))
require.False(t, av.Contains(ValueOf("missing")))
require.Equal(t, "first", av.IndexValue(ValueOf(0)).Interface())
require.Equal(t, "third", av.IndexValue(ValueOf(-1)).Interface())
require.Equal(t, "first", av.PropertyValue(ValueOf("first")).Interface())
require.Equal(t, "third", av.PropertyValue(ValueOf("last")).Interface())
require.Equal(t, 3, av.PropertyValue(ValueOf("size")).Interface())
empty := ValueOf([]string{})
require.Equal(t, nil, empty.IndexValue(ValueOf(0)).Interface())
require.Equal(t, nil, empty.IndexValue(ValueOf(-1)).Interface())
require.Equal(t, nil, empty.PropertyValue(ValueOf("first")).Interface())
require.Equal(t, nil, empty.PropertyValue(ValueOf("last")).Interface())
require.Equal(t, nil, empty.PropertyValue(ValueOf("length")).Interface())
}
func TestValue_string(t *testing.T) {
av := ValueOf("seafood")
require.True(t, av.Contains(ValueOf("foo")))
require.False(t, av.Contains(ValueOf("bar")))
require.Equal(t, 7, av.PropertyValue(ValueOf("size")).Interface())
require.True(t, ValueOf("seaf00d").Contains(ValueOf(0)))
}
func TestValue_hash(t *testing.T) {
h := ValueOf(map[string]interface{}{"key": "value"})
require.True(t, h.Contains(ValueOf("key")))
require.False(t, h.Contains(ValueOf("missing_key")))
require.Equal(t, "value", h.IndexValue(ValueOf("key")).Interface())
require.Equal(t, nil, h.IndexValue(ValueOf("missing_key")).Interface())
require.Equal(t, 1, h.PropertyValue(ValueOf("size")).Interface())
withSizeKey := ValueOf(map[string]interface{}{"size": "value"})
require.Equal(t, "value", withSizeKey.IndexValue(ValueOf("size")).Interface())
hashPtr := ValueOf(&map[string]interface{}{"key": "value"})
require.Equal(t, "value", hashPtr.IndexValue(ValueOf("key")).Interface())
require.Equal(t, nil, hashPtr.IndexValue(ValueOf("missing_key")).Interface())
require.Equal(t, 1, hashPtr.PropertyValue(ValueOf("size")).Interface())
}