github.com/kubevela/workflow@v0.6.0/pkg/cue/model/sets/walk_test.go (about)

     1  /*
     2  Copyright 2022 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package sets
    18  
    19  import (
    20  	"testing"
    21  
    22  	"cuelang.org/go/cue/ast"
    23  	"cuelang.org/go/cue/cuecontext"
    24  	"cuelang.org/go/cue/parser"
    25  	"github.com/stretchr/testify/require"
    26  )
    27  
    28  func TestWalk(t *testing.T) {
    29  
    30  	testCases := []string{
    31  		`x: "124"`,
    32  
    33  		`{ x: y: string }`,
    34  
    35  		`x: {y: 124}`,
    36  
    37  		`kind: "Deployment"
    38      metadata: name: "test"
    39      spec: replicas: 12`,
    40  
    41  		`sidecar: {
    42  		name: "agent"
    43          image: "test.com/agent:0.1"
    44  	}
    45  	containers: [{
    46  		name: "main"
    47  		image: "webserver:0.2"
    48  	},sidecar]
    49  	`,
    50  
    51  		`   x: 12
    52  		if x==12 {
    53  			y: "test string"
    54  		}
    55  	`,
    56  
    57  		`   item1: {
    58  			x: 12
    59  			if x==12 {
    60  				y: "test string"
    61  			}
    62  		}
    63          output: [item1]
    64  	`,
    65  		`import "strings"
    66  
    67  		#User: {
    68  		    tags_str: string
    69  		    tags_map: {
    70   		        for k, v in strings.Split(tags_str, " ") {
    71    		           "\(v)": string
    72    		       	}
    73    		       "{a}": string
    74    		  	}
    75  		}
    76  
    77  		user: {
    78  		    #User
    79  		    tags_str: "b {c}"
    80  		}
    81  	`,
    82  		`import "strings"
    83  
    84  		b: string	
    85  		user: {
    86  		    tags_str: strings.Compare(b,"c")
    87  		}
    88  	`,
    89  		`a: [1, 2, 3]`,
    90  	}
    91  
    92  	for _, src := range testCases {
    93  		r := require.New(t)
    94  		inst := cuecontext.New().CompileString(src)
    95  		nsrc, err := toString(inst.Value())
    96  		r.NoError(err)
    97  		f, err := parser.ParseFile("-", nsrc)
    98  		r.NoError(err)
    99  
   100  		newWalker(func(node ast.Node, ctx walkCtx) {
   101  			if len(ctx.Pos()) == 0 {
   102  				return
   103  			}
   104  
   105  			if _, ok := node.(ast.Expr); !ok {
   106  				return
   107  			}
   108  			if _, ok := node.(*ast.CallExpr); ok {
   109  				return
   110  			}
   111  
   112  			n, err := lookUp(f, ctx.Pos()...)
   113  			r.NoError(err)
   114  
   115  			r.Equal(n, node, nsrc)
   116  		}).walk(f)
   117  	}
   118  
   119  }
   120  
   121  func TestRemoveTmpVar(t *testing.T) {
   122  	src := `spec: {
   123      _tmp: "x"
   124  	list: [{
   125  		_tmp: "x"
   126  		retain: "y"
   127  	}, {
   128  		_tmp: "x"
   129  		retain: "z"
   130  	}]
   131  	retain: "y"
   132  }
   133  `
   134  	r := require.New(t)
   135  	v := cuecontext.New().CompileString(src)
   136  	s, err := toString(v, removeTmpVar)
   137  	r.NoError(err)
   138  	r.Equal(`spec: {
   139  	list: [{
   140  		retain: "y"
   141  	}, {
   142  		retain: "z"
   143  	}]
   144  	retain: "y"
   145  }
   146  `, s)
   147  }