github.com/graemephi/kahugo@v0.62.3-0.20211121071557-d78c0423784d/common/maps/params_test.go (about)

     1  // Copyright 2019 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package maps
    15  
    16  import (
    17  	"testing"
    18  
    19  	qt "github.com/frankban/quicktest"
    20  )
    21  
    22  func TestGetNestedParam(t *testing.T) {
    23  	m := map[string]interface{}{
    24  		"string":          "value",
    25  		"first":           1,
    26  		"with_underscore": 2,
    27  		"nested": map[string]interface{}{
    28  			"color": "blue",
    29  			"nestednested": map[string]interface{}{
    30  				"color": "green",
    31  			},
    32  		},
    33  	}
    34  
    35  	c := qt.New(t)
    36  
    37  	must := func(keyStr, separator string, candidates ...Params) interface{} {
    38  		v, err := GetNestedParam(keyStr, separator, candidates...)
    39  		c.Assert(err, qt.IsNil)
    40  		return v
    41  	}
    42  
    43  	c.Assert(must("first", "_", m), qt.Equals, 1)
    44  	c.Assert(must("First", "_", m), qt.Equals, 1)
    45  	c.Assert(must("with_underscore", "_", m), qt.Equals, 2)
    46  	c.Assert(must("nested_color", "_", m), qt.Equals, "blue")
    47  	c.Assert(must("nested.nestednested.color", ".", m), qt.Equals, "green")
    48  	c.Assert(must("string.name", ".", m), qt.IsNil)
    49  	c.Assert(must("nested.foo", ".", m), qt.IsNil)
    50  }
    51  
    52  // https://github.com/gohugoio/hugo/issues/7903
    53  func TestGetNestedParamFnNestedNewKey(t *testing.T) {
    54  	c := qt.New(t)
    55  
    56  	nested := map[string]interface{}{
    57  		"color": "blue",
    58  	}
    59  	m := map[string]interface{}{
    60  		"nested": nested,
    61  	}
    62  
    63  	existing, nestedKey, owner, err := GetNestedParamFn("nested.new", ".", func(key string) interface{} {
    64  		return m[key]
    65  	})
    66  
    67  	c.Assert(err, qt.IsNil)
    68  	c.Assert(existing, qt.IsNil)
    69  	c.Assert(nestedKey, qt.Equals, "new")
    70  	c.Assert(owner, qt.DeepEquals, nested)
    71  }
    72  
    73  func TestParamsSetAndMerge(t *testing.T) {
    74  	c := qt.New(t)
    75  
    76  	createParamsPair := func() (Params, Params) {
    77  		p1 := Params{"a": "av", "c": "cv", "nested": Params{"al2": "al2v", "cl2": "cl2v"}}
    78  		p2 := Params{"b": "bv", "a": "abv", "nested": Params{"bl2": "bl2v", "al2": "al2bv"}, mergeStrategyKey: ParamsMergeStrategyDeep}
    79  		return p1, p2
    80  	}
    81  
    82  	p1, p2 := createParamsPair()
    83  
    84  	p1.Set(p2)
    85  
    86  	c.Assert(p1, qt.DeepEquals, Params{
    87  		"a": "abv",
    88  		"c": "cv",
    89  		"nested": Params{
    90  			"al2": "al2bv",
    91  			"cl2": "cl2v",
    92  			"bl2": "bl2v",
    93  		},
    94  		"b":              "bv",
    95  		mergeStrategyKey: ParamsMergeStrategyDeep,
    96  	})
    97  
    98  	p1, p2 = createParamsPair()
    99  
   100  	p1.Merge(p2)
   101  
   102  	// Default is to do a shallow merge.
   103  	c.Assert(p1, qt.DeepEquals, Params{
   104  		"c": "cv",
   105  		"nested": Params{
   106  			"al2": "al2v",
   107  			"cl2": "cl2v",
   108  		},
   109  		"b": "bv",
   110  		"a": "av",
   111  	})
   112  
   113  	p1, p2 = createParamsPair()
   114  	p1.SetDefaultMergeStrategy(ParamsMergeStrategyNone)
   115  	p1.Merge(p2)
   116  	p1.DeleteMergeStrategy()
   117  
   118  	c.Assert(p1, qt.DeepEquals, Params{
   119  		"a": "av",
   120  		"c": "cv",
   121  		"nested": Params{
   122  			"al2": "al2v",
   123  			"cl2": "cl2v",
   124  		},
   125  	})
   126  
   127  	p1, p2 = createParamsPair()
   128  	p1.SetDefaultMergeStrategy(ParamsMergeStrategyShallow)
   129  	p1.Merge(p2)
   130  	p1.DeleteMergeStrategy()
   131  
   132  	c.Assert(p1, qt.DeepEquals, Params{
   133  		"a": "av",
   134  		"c": "cv",
   135  		"nested": Params{
   136  			"al2": "al2v",
   137  			"cl2": "cl2v",
   138  		},
   139  		"b": "bv",
   140  	})
   141  
   142  	p1, p2 = createParamsPair()
   143  	p1.SetDefaultMergeStrategy(ParamsMergeStrategyDeep)
   144  	p1.Merge(p2)
   145  	p1.DeleteMergeStrategy()
   146  
   147  	c.Assert(p1, qt.DeepEquals, Params{
   148  		"nested": Params{
   149  			"al2": "al2v",
   150  			"cl2": "cl2v",
   151  			"bl2": "bl2v",
   152  		},
   153  		"b": "bv",
   154  		"a": "av",
   155  		"c": "cv",
   156  	})
   157  
   158  }
   159  
   160  func TestParamsIsZero(t *testing.T) {
   161  	c := qt.New(t)
   162  
   163  	var nilParams Params
   164  
   165  	c.Assert(Params{}.IsZero(), qt.IsTrue)
   166  	c.Assert(nilParams.IsZero(), qt.IsTrue)
   167  	c.Assert(Params{"foo": "bar"}.IsZero(), qt.IsFalse)
   168  	c.Assert(Params{"_merge": "foo", "foo": "bar"}.IsZero(), qt.IsFalse)
   169  	c.Assert(Params{"_merge": "foo"}.IsZero(), qt.IsTrue)
   170  }