yq/pkg/yqlib/operator_variables_test.go

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package yqlib
import (
"testing"
)
var variableOperatorScenarios = []expressionScenario{
{
skipDoc: true,
document: `{}`,
expression: `.a.b as $foo`,
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
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{
description: "Single value variable",
document: `a: cat`,
expression: `.a as $foo | $foo`,
expected: []string{
"D0, P[a], (!!str)::cat\n",
},
},
{
description: "Multi value variable",
document: `[cat, dog]`,
expression: `.[] as $foo | $foo`,
expected: []string{
"D0, P[0], (!!str)::cat\n",
"D0, P[1], (!!str)::dog\n",
},
},
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{
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description: "Using variables as a lookup",
subdescription: "Example taken from [jq](https://stedolan.github.io/jq/manual/#Variable/SymbolicBindingOperator:...as$identifier|...)",
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document: `{"posts": [{"title": "Frist psot", "author": "anon"},
{"title": "A well-written article", "author": "person1"}],
"realnames": {"anon": "Anonymous Coward",
"person1": "Person McPherson"}}`,
expression: `.realnames as $names | .posts[] | {"title":.title, "author": $names[.author]}`,
expected: []string{
"D0, P[], (!!map)::title: \"Frist psot\"\nauthor: \"Anonymous Coward\"\n",
"D0, P[], (!!map)::title: \"A well-written article\"\nauthor: \"Person McPherson\"\n",
},
},
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}
func TestVariableOperatorScenarios(t *testing.T) {
for _, tt := range variableOperatorScenarios {
testScenario(t, &tt)
}
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documentScenarios(t, "Variable Operators", variableOperatorScenarios)
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}