yq/pkg/yqlib/operator_select_test.go

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package yqlib
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import (
"testing"
)
var selectOperatorScenarios = []expressionScenario{
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{
skipDoc: true,
document: `cat`,
expression: `select(false, true)`,
expected: []string{
"D0, P[], (!!str)::cat\n",
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},
},
{
skipDoc: true,
document: `cat`,
expression: `select(true, false)`,
expected: []string{
"D0, P[], (!!str)::cat\n",
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},
},
{
skipDoc: true,
document: `cat`,
expression: `select(false)`,
expected: []string{},
},
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{
description: "Select elements from array using wildcard prefix",
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document: `[cat,goat,dog]`,
expression: `.[] | select(. == "*at")`,
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expected: []string{
"D0, P[0], (!!str)::cat\n",
"D0, P[1], (!!str)::goat\n",
},
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},
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{
description: "Select elements from array using wildcard suffix",
document: `[go-kart,goat,dog]`,
expression: `.[] | select(. == "go*")`,
expected: []string{
"D0, P[0], (!!str)::go-kart\n",
"D0, P[1], (!!str)::goat\n",
},
},
{
description: "Select elements from array using wildcard prefix and suffix",
document: `[ago, go, meow, going]`,
expression: `.[] | select(. == "*go*")`,
expected: []string{
"D0, P[0], (!!str)::ago\n",
"D0, P[1], (!!str)::go\n",
"D0, P[3], (!!str)::going\n",
},
},
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{
description: "Select elements from array with regular expression",
subdescription: "See more regular expression examples under the [`string` operator docs](https://mikefarah.gitbook.io/yq/operators/string-operators).",
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document: `[this_0, not_this, nor_0_this, thisTo_4]`,
expression: `.[] | select(test("[a-zA-Z]+_[0-9]$"))`,
expected: []string{
"D0, P[0], (!!str)::this_0\n",
"D0, P[3], (!!str)::thisTo_4\n",
},
},
{
skipDoc: true,
document: "a: hello",
document2: "b: world",
expression: `select(.a == "hello" or .b == "world")`,
expected: []string{
"D0, P[], (!!map)::a: hello\n",
"D0, P[], (!!map)::b: world\n",
},
},
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{
description: "select does not update the map",
skipDoc: true,
document: `[{animal: cat, legs: {cool: true}}, {animal: fish}]`,
expression: `(.[] | select(.legs.cool == true).canWalk) = true | (.[] | .alive.things) = "yes"`,
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expected: []string{
"D0, P[], (!!seq)::[{animal: cat, legs: {cool: true}, canWalk: true, alive: {things: yes}}, {animal: fish, alive: {things: yes}}]\n",
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},
},
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{
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skipDoc: true,
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document: `[hot, fot, dog]`,
expression: `.[] | select(. == "*at")`,
expected: []string{},
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},
{
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skipDoc: true,
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document: `a: [cat,goat,dog]`,
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expression: `.a.[] | select(. == "*at")`,
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expected: []string{
"D0, P[a 0], (!!str)::cat\n",
"D0, P[a 1], (!!str)::goat\n"},
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},
{
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description: "Select items from a map",
document: `{ things: cat, bob: goat, horse: dog }`,
expression: `.[] | select(. == "cat" or test("og$"))`,
expected: []string{
"D0, P[things], (!!str)::cat\n",
"D0, P[horse], (!!str)::dog\n",
},
},
{
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description: "Use select and with_entries to filter map keys",
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document: `{name: bob, legs: 2, game: poker}`,
expression: `with_entries(select(.key | test("ame$")))`,
expected: []string{
"D0, P[], (!!map)::name: bob\ngame: poker\n",
},
},
{
description: "Select multiple items in a map and update",
subdescription: "Note the brackets around the entire LHS.",
document: `a: { things: cat, bob: goat, horse: dog }`,
expression: `(.a.[] | select(. == "cat" or . == "goat")) |= "rabbit"`,
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expected: []string{
"D0, P[], (!!map)::a: {things: rabbit, bob: rabbit, horse: dog}\n",
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},
},
{
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skipDoc: true,
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document: `a: { things: {include: true}, notMe: {include: false}, andMe: {include: fold} }`,
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expression: `.a.[] | select(.include)`,
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expected: []string{
"D0, P[a things], (!!map)::{include: true}\n",
"D0, P[a andMe], (!!map)::{include: fold}\n",
},
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},
{
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skipDoc: true,
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document: `[cat,~,dog]`,
expression: `.[] | select(. == ~)`,
expected: []string{
"D0, P[1], (!!null)::~\n",
},
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},
}
func TestSelectOperatorScenarios(t *testing.T) {
for _, tt := range selectOperatorScenarios {
testScenario(t, &tt)
}
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documentOperatorScenarios(t, "select", selectOperatorScenarios)
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}