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// Copyright 2019 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collections
import (
"bytes"
"fmt"
"reflect"
"runtime"
"strings"
"testing"
"github.com/gohugoio/hugo/parser"
"github.com/gohugoio/hugo/parser/metadecoders"
"github.com/gohugoio/hugo/deps"
"github.com/stretchr/testify/require"
)
func TestMerge(t *testing.T) {
ns := New(&deps.Deps{})
simpleMap := map[string]interface{}{"a": 1, "b": 2}
for i, test := range []struct {
name string
dst interface{}
src interface{}
expect interface{}
isErr bool
}{
{
"basic",
map[string]interface{}{"a": 1, "b": 2},
map[string]interface{}{"a": 42, "c": 3},
map[string]interface{}{"a": 1, "b": 2, "c": 3}, false},
{
"basic case insensitive",
map[string]interface{}{"a": 1, "b": 2},
map[string]interface{}{"A": 42, "c": 3},
map[string]interface{}{"a": 1, "b": 2, "c": 3}, false},
{
"nested",
map[string]interface{}{"a": 1, "b": map[string]interface{}{"d": 1, "e": 2}},
map[string]interface{}{"a": 42, "c": 3, "b": map[string]interface{}{"d": 55, "e": 66, "f": 3}},
map[string]interface{}{"a": 1, "b": map[string]interface{}{"d": 1, "e": 2, "f": 3}, "c": 3}, false},
{"src nil", simpleMap, nil, simpleMap, false},
// Error cases.
{"dst not a map", "not a map", nil, nil, true},
{"src not a map", simpleMap, "not a map", nil, true},
{"diferent map typs", simpleMap, map[int]interface{}{32: "a"}, nil, true},
{"all nil", nil, nil, nil, true},
} {
test := test
t.Run(test.name, func(t *testing.T) {
t.Parallel()
errMsg := fmt.Sprintf("[%d] %v", i, test)
assert := require.New(t)
srcStr, dstStr := fmt.Sprint(test.src), fmt.Sprint(test.dst)
result, err := ns.Merge(test.src, test.dst)
if test.isErr {
assert.Error(err, errMsg)
return
}
assert.NoError(err, errMsg)
assert.Equal(test.expect, result, errMsg)
// map sort in fmt was fixed in go 1.12.
if !strings.HasPrefix(runtime.Version(), "go1.11") {
// Verify that the original maps are preserved.
assert.Equal(srcStr, fmt.Sprint(test.src))
assert.Equal(dstStr, fmt.Sprint(test.dst))
}
})
}
}
func TestMergeDataFormats(t *testing.T) {
assert := require.New(t)
ns := New(&deps.Deps{})
toml1 := `
V1 = "v1_1"
[V2s]
V21 = "v21_1"
`
toml2 := `
V1 = "v1_2"
V2 = "v2_2"
[V2s]
V21 = "v21_2"
V22 = "v22_2"
`
meta1, err := metadecoders.Default.UnmarshalToMap([]byte(toml1), metadecoders.TOML)
assert.NoError(err)
meta2, err := metadecoders.Default.UnmarshalToMap([]byte(toml2), metadecoders.TOML)
assert.NoError(err)
for _, format := range []metadecoders.Format{metadecoders.JSON, metadecoders.YAML, metadecoders.TOML} {
var dataStr1, dataStr2 bytes.Buffer
err = parser.InterfaceToConfig(meta1, format, &dataStr1)
assert.NoError(err)
err = parser.InterfaceToConfig(meta2, format, &dataStr2)
assert.NoError(err)
dst, err := metadecoders.Default.UnmarshalToMap(dataStr1.Bytes(), format)
assert.NoError(err)
src, err := metadecoders.Default.UnmarshalToMap(dataStr2.Bytes(), format)
assert.NoError(err)
merged, err := ns.Merge(src, dst)
assert.NoError(err)
assert.Equal(map[string]interface{}{"V1": "v1_1", "V2": "v2_2", "V2s": map[string]interface{}{"V21": "v21_1", "V22": "v22_2"}}, merged)
}
}
func TestCaseInsensitiveMapLookup(t *testing.T) {
assert := require.New(t)
m1 := reflect.ValueOf(map[string]interface{}{
"a": 1,
"B": 2,
})
m2 := reflect.ValueOf(map[int]interface{}{
1: 1,
2: 2,
})
var found bool
a, found := caseInsensitiveLookup(m1, reflect.ValueOf("A"))
assert.True(found)
assert.Equal(1, a.Interface())
b, found := caseInsensitiveLookup(m1, reflect.ValueOf("b"))
assert.True(found)
assert.Equal(2, b.Interface())
two, found := caseInsensitiveLookup(m2, reflect.ValueOf(2))
assert.True(found)
assert.Equal(2, two.Interface())
}
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