ref: f9ebaaed1be1e4a26eef2aebd2c7554c979f29fa
dir: /tpl/collections/merge_test.go/
// 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/common/maps"
"github.com/gohugoio/hugo/parser"
"github.com/gohugoio/hugo/parser/metadecoders"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/deps"
)
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},
{
// https://github.com/gohugoio/hugo/issues/6633
"params dst",
maps.Params{"a": 1, "b": 2},
map[string]interface{}{"a": 42, "c": 3},
maps.Params{"a": int(1), "b": int(2), "c": int(3)}, false},
{
"params dst, upper case src",
maps.Params{"a": 1, "b": 2},
map[string]interface{}{"a": 42, "C": 3},
maps.Params{"a": int(1), "b": int(2), "c": int(3)}, false},
{
"params src",
map[string]interface{}{"a": 1, "c": 2},
maps.Params{"a": 42, "c": 3},
map[string]interface{}{"a": int(1), "c": int(2)}, false},
{
"params src, upper case dst",
map[string]interface{}{"a": 1, "C": 2},
maps.Params{"a": 42, "c": 3},
map[string]interface{}{"a": int(1), "C": int(2)}, false},
{
"nested, params dst",
maps.Params{"a": 1, "b": maps.Params{"d": 1, "e": 2}},
map[string]interface{}{"a": 42, "c": 3, "b": map[string]interface{}{"d": 55, "e": 66, "f": 3}},
maps.Params{"a": 1, "b": maps.Params{"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},
{"different map types", 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 := qt.Commentf("[%d] %v", i, test)
c := qt.New(t)
srcStr, dstStr := fmt.Sprint(test.src), fmt.Sprint(test.dst)
result, err := ns.Merge(test.src, test.dst)
if test.isErr {
c.Assert(err, qt.Not(qt.IsNil), errMsg)
return
}
c.Assert(err, qt.IsNil)
c.Assert(result, qt.DeepEquals, test.expect, 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.
c.Assert(fmt.Sprint(test.src), qt.Equals, srcStr)
c.Assert(fmt.Sprint(test.dst), qt.Equals, dstStr)
}
})
}
}
func TestMergeDataFormats(t *testing.T) {
c := qt.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)
c.Assert(err, qt.IsNil)
meta2, err := metadecoders.Default.UnmarshalToMap([]byte(toml2), metadecoders.TOML)
c.Assert(err, qt.IsNil)
for _, format := range []metadecoders.Format{metadecoders.JSON, metadecoders.YAML, metadecoders.TOML} {
var dataStr1, dataStr2 bytes.Buffer
err = parser.InterfaceToConfig(meta1, format, &dataStr1)
c.Assert(err, qt.IsNil)
err = parser.InterfaceToConfig(meta2, format, &dataStr2)
c.Assert(err, qt.IsNil)
dst, err := metadecoders.Default.UnmarshalToMap(dataStr1.Bytes(), format)
c.Assert(err, qt.IsNil)
src, err := metadecoders.Default.UnmarshalToMap(dataStr2.Bytes(), format)
c.Assert(err, qt.IsNil)
merged, err := ns.Merge(src, dst)
c.Assert(err, qt.IsNil)
c.Assert(
merged,
qt.DeepEquals,
map[string]interface{}{
"V1": "v1_1", "V2": "v2_2",
"V2s": map[string]interface{}{"V21": "v21_1", "V22": "v22_2"}})
}
}
func TestCaseInsensitiveMapLookup(t *testing.T) {
c := qt.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"))
c.Assert(found, qt.Equals, true)
c.Assert(a.Interface(), qt.Equals, 1)
b, found := caseInsensitiveLookup(m1, reflect.ValueOf("b"))
c.Assert(found, qt.Equals, true)
c.Assert(b.Interface(), qt.Equals, 2)
two, found := caseInsensitiveLookup(m2, reflect.ValueOf(2))
c.Assert(found, qt.Equals, true)
c.Assert(two.Interface(), qt.Equals, 2)
}