yq/pkg/yqlib/operator_unique_test.go

75 lines
2.1 KiB
Go

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