mirror of
https://github.com/danog/liquid.git
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118 lines
4.5 KiB
Go
118 lines
4.5 KiB
Go
package evaluator
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestValue(t *testing.T) {
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var (
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nv = ValueOf(nil)
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iv = ValueOf(123)
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)
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require.Equal(t, nil, nv.Interface())
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require.Equal(t, true, ValueOf(true).Interface())
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require.Equal(t, false, ValueOf(false).Interface())
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require.Equal(t, 123, iv.Interface())
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require.Equal(t, 123, iv.Int())
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require.Panics(t, func() { nv.Int() })
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require.True(t, iv.Equal(ValueOf(123)))
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require.True(t, iv.Equal(ValueOf(123.0)))
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require.True(t, iv.Less(ValueOf(200)))
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}
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func TestValue_array(t *testing.T) {
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av := ValueOf([]string{"first", "second", "third"})
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require.True(t, av.Contains(ValueOf("first")))
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require.False(t, av.Contains(ValueOf("missing")))
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require.Equal(t, "first", av.IndexValue(ValueOf(0)).Interface())
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require.Equal(t, "third", av.IndexValue(ValueOf(-1)).Interface())
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require.Equal(t, "first", av.PropertyValue(ValueOf("first")).Interface())
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require.Equal(t, "third", av.PropertyValue(ValueOf("last")).Interface())
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require.Equal(t, 3, av.PropertyValue(ValueOf("size")).Interface())
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empty := ValueOf([]string{})
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require.Equal(t, nil, empty.IndexValue(ValueOf(0)).Interface())
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require.Equal(t, nil, empty.IndexValue(ValueOf(-1)).Interface())
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require.Equal(t, nil, empty.PropertyValue(ValueOf("first")).Interface())
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require.Equal(t, nil, empty.PropertyValue(ValueOf("last")).Interface())
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require.Equal(t, nil, empty.PropertyValue(ValueOf("length")).Interface())
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}
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func TestValue_string(t *testing.T) {
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av := ValueOf("seafood")
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require.True(t, av.Contains(ValueOf("foo")))
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require.False(t, av.Contains(ValueOf("bar")))
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require.Equal(t, 7, av.PropertyValue(ValueOf("size")).Interface())
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require.True(t, ValueOf("seaf00d").Contains(ValueOf(0)))
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}
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func TestValue_hash(t *testing.T) {
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h := ValueOf(map[string]interface{}{"key": "value"})
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require.True(t, h.Contains(ValueOf("key")))
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require.False(t, h.Contains(ValueOf("missing_key")))
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require.Equal(t, "value", h.IndexValue(ValueOf("key")).Interface())
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require.Equal(t, nil, h.IndexValue(ValueOf("missing_key")).Interface())
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require.Equal(t, 1, h.PropertyValue(ValueOf("size")).Interface())
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withSizeKey := ValueOf(map[string]interface{}{"size": "value"})
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require.Equal(t, "value", withSizeKey.IndexValue(ValueOf("size")).Interface())
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hashPtr := ValueOf(&map[string]interface{}{"key": "value"})
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require.Equal(t, "value", hashPtr.IndexValue(ValueOf("key")).Interface())
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require.Equal(t, nil, hashPtr.IndexValue(ValueOf("missing_key")).Interface())
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require.Equal(t, 1, hashPtr.PropertyValue(ValueOf("size")).Interface())
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}
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type testValueStruct struct {
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F int
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F1 func() int
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F2 func() (int, error)
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F2e func() (int, error)
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}
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func (tv testValueStruct) M1() int { return 3 }
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func (tv testValueStruct) M2() (int, error) { return 4, nil }
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func (tv testValueStruct) M2e() (int, error) { return 4, fmt.Errorf("expected error") }
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func (tv *testValueStruct) PM1() int { return 3 }
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func (tv *testValueStruct) PM2() (int, error) { return 4, nil }
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func (tv *testValueStruct) PM2e() (int, error) { return 4, fmt.Errorf("expected error") }
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func TestValue_struct(t *testing.T) {
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s := ValueOf(testValueStruct{
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F: -1,
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F1: func() int { return 1 },
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F2: func() (int, error) { return 2, nil },
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F2e: func() (int, error) { return 0, fmt.Errorf("expected error") },
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})
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require.True(t, s.Contains(ValueOf("F")))
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require.True(t, s.Contains(ValueOf("F1")))
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require.Equal(t, -1, s.PropertyValue(ValueOf("F")).Interface())
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require.Equal(t, 1, s.PropertyValue(ValueOf("F1")).Interface())
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require.Equal(t, 2, s.PropertyValue(ValueOf("F2")).Interface())
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require.Panics(t, func() { s.PropertyValue(ValueOf("F2e")) })
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require.Equal(t, 3, s.PropertyValue(ValueOf("M1")).Interface())
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require.Equal(t, 4, s.PropertyValue(ValueOf("M2")).Interface())
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require.Panics(t, func() { s.PropertyValue(ValueOf("M2e")) })
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require.Equal(t, -1, s.IndexValue(ValueOf("F")).Interface())
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p := ValueOf(&testValueStruct{
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F: -1,
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F1: func() int { return 1 },
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})
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require.True(t, p.Contains(ValueOf("F")))
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require.True(t, p.Contains(ValueOf("F1")))
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require.Equal(t, -1, p.PropertyValue(ValueOf("F")).Interface())
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require.Equal(t, 1, p.PropertyValue(ValueOf("F1")).Interface())
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require.Equal(t, 3, p.PropertyValue(ValueOf("M1")).Interface())
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require.Equal(t, 4, p.PropertyValue(ValueOf("M2")).Interface())
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require.Panics(t, func() { p.PropertyValue(ValueOf("M2e")) })
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require.Equal(t, 3, p.PropertyValue(ValueOf("PM1")).Interface())
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require.Equal(t, 4, p.PropertyValue(ValueOf("PM2")).Interface())
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require.Panics(t, func() { p.PropertyValue(ValueOf("PM2e")) })
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}
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