yq/pkg/yqlib/operator_unique_test.go

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package yqlib
import (
"testing"
)
var uniqueOperatorScenarios = []expressionScenario{
{
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description: "Unique array of scalars (string/numbers)",
document: `[1,2,3,2]`,
expression: `unique`,
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expected: []string{
"D0, P[], (!!seq)::- 1\n- 2\n- 3\n",
},
},
{
description: "Unique nulls",
subdescription: "Unique works on the node value, so it considers different representations of nulls to be different",
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document: `[~,null, ~, null]`,
expression: `unique`,
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expected: []string{
"D0, P[], (!!seq)::- ~\n- null\n",
},
},
{
description: "Unique all nulls",
subdescription: "Run against the node tag to unique all the nulls",
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document: `[~,null, ~, null]`,
expression: `unique_by(tag)`,
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expected: []string{
"D0, P[], (!!seq)::- ~\n",
},
},
{
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description: "Unique array object fields",
document: `[{name: harry, pet: cat}, {name: billy, pet: dog}, {name: harry, pet: dog}]`,
expression: `unique_by(.name)`,
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expected: []string{
"D0, P[], (!!seq)::- {name: harry, pet: cat}\n- {name: billy, pet: dog}\n",
},
},
{
skipDoc: true,
document: `[{name: harry, pet: cat}, {pet: fish}, {name: harry, pet: dog}]`,
expression: `unique_by(.name)`,
expected: []string{
"D0, P[], (!!seq)::- {name: harry, pet: cat}\n- {pet: fish}\n",
},
},
{
skipDoc: true,
document: `[{name: harry, pet: cat}, {pet: fish}, {name: harry, pet: dog}]`,
expression: `unique_by(.cat.dog)`,
expected: []string{
"D0, P[], (!!seq)::- {name: harry, pet: cat}\n",
},
},
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}
func TestUniqueOperatorScenarios(t *testing.T) {
for _, tt := range uniqueOperatorScenarios {
testScenario(t, &tt)
}
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documentOperatorScenarios(t, "unique", uniqueOperatorScenarios)
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}