mirror of
https://github.com/mikefarah/yq.git
synced 2024-12-19 20:19:04 +00:00
446 lines
11 KiB
Go
446 lines
11 KiB
Go
package yqlib
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import (
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"testing"
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)
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var doc1 = `list:
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# Hi this is a comment.
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# Hello this is another comment.
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- "abc"`
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var doc2 = `list2:
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# This is yet another comment.
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# Indeed this is yet another comment.
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- "123"`
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var docExpected = `D0, P[], (!!map)::list:
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# Hi this is a comment.
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# Hello this is another comment.
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- "abc"
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list2:
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# This is yet another comment.
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# Indeed this is yet another comment.
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- "123"
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`
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var mergeArrayWithAnchors = `sample:
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- &a
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- <<: *a
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`
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var mergeArraysObjectKeysText = `The approach, at a high level, is to reduce into a merged map (keyed by the unique key)
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and then convert that back into an array.
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First the expression will create a map from the arrays keyed by '.a', the unique field we want to merge by.
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The reduce operator is merging '({}; . * $item )', so array elements with the matching key will be merged together.
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Next, we convert the map back to an array, using reduce again, concatenating all the map values together.
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Finally, we set the result of the merged array back into the first doc.
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To use this, you will need to update '.myArray' in the expression to your array (e.g. .my.array), and '.a' to be the key field of your array (e.g. '.name')
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Thanks Kev from [stackoverflow](https://stackoverflow.com/a/70109529/1168223)
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`
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var mergeExpression = `
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(
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((.myArray[] | {.a: .}) as $item ireduce ({}; . * $item )) as $uniqueMap
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| ( $uniqueMap | to_entries | .[]) as $item ireduce([]; . + $item.value)
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) as $mergedArray
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| select(fi == 0) | .myArray = $mergedArray
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`
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var docWithHeader = `# here
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a: apple
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`
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var nodeWithHeader = `node:
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# here
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a: apple
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`
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var docNoComments = `b: banana
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`
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var docWithFooter = `a: apple
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# footer
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`
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var nodeWithFooter = `a: apple
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# footer`
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var document = `a: &cat {name: cat}
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b: {name: dog}
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c:
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<<: *cat
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`
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var multiplyOperatorScenarios = []expressionScenario{
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{
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skipDoc: true,
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document: mergeArrayWithAnchors,
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expression: `. * .`,
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expected: []string{
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"D0, P[], (!!map)::sample:\n - &a\n - !!merge <<: *a\n",
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},
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},
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{
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skipDoc: true,
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document: docWithHeader,
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document2: docNoComments,
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expression: `select(fi == 0) * select(fi == 1)`,
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expected: []string{
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"D0, P[], (!!map)::# here\na: apple\nb: banana\n",
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},
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},
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{
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skipDoc: true,
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document: nodeWithHeader,
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document2: docNoComments,
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expression: `(select(fi == 0) | .node) * select(fi == 1)`,
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expected: []string{
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"D0, P[node], (!!map)::# here\na: apple\nb: banana\n",
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},
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},
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{
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skipDoc: true,
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document: docNoComments,
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document2: docWithHeader,
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expression: `select(fi == 0) * select(fi == 1)`,
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expected: []string{
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"D0, P[], (!!map)::# here\nb: banana\na: apple\n",
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},
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},
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{
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skipDoc: true,
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document: docNoComments,
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document2: nodeWithHeader,
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expression: `select(fi == 0) * (select(fi == 1) | .node)`,
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expected: []string{
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"D0, P[], (!!map)::b: banana\n# here\na: apple\n",
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},
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},
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{
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skipDoc: true,
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document: docWithFooter,
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document2: docNoComments,
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expression: `select(fi == 0) * select(fi == 1)`,
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expected: []string{
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"D0, P[], (!!map)::a: apple\nb: banana\n\n# footer\n",
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},
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},
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{
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skipDoc: true,
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document: nodeWithFooter,
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document2: docNoComments,
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expression: `select(fi == 0) * select(fi == 1)`,
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expected: []string{ // not sure why there's an extra newline *shrug*
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"D0, P[], (!!map)::a: apple\n# footer\n\nb: banana\n",
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},
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},
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{
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skipDoc: true,
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document: docNoComments,
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document2: docWithFooter,
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expression: `select(fi == 0) * select(fi == 1)`,
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expected: []string{
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"D0, P[], (!!map)::b: banana\na: apple\n\n# footer\n",
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},
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},
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{
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description: "Multiply integers",
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expression: `3 * 4`,
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expected: []string{
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"D0, P[], (!!int)::12\n",
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},
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},
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{
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skipDoc: true,
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document: doc1,
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document2: doc2,
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expression: `select(fi == 0) * select(fi == 1)`,
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expected: []string{
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docExpected,
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},
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},
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{
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skipDoc: true,
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expression: `.x = {"things": "whatever"} * {}`,
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expected: []string{
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"D0, P[], ()::x:\n things: whatever\n",
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},
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},
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{
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skipDoc: true,
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expression: `.x = {} * {"things": "whatever"}`,
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expected: []string{
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"D0, P[], ()::x:\n things: whatever\n",
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},
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},
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{
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skipDoc: true,
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expression: `3 * 4.5`,
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expected: []string{
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"D0, P[], (!!float)::13.5\n",
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},
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},
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{
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skipDoc: true,
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expression: `4.5 * 3`,
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expected: []string{
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"D0, P[], (!!float)::13.5\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {also: [1]}, b: {also: me}}`,
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expression: `. * {"a" : .b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {also: me}, b: {also: me}}\n",
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},
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},
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{
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skipDoc: true,
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document: "# b\nb:\n # a\n a: cat",
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expression: "{} * .",
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expected: []string{
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"D0, P[], (!!map)::# b\nb:\n # a\n a: cat\n",
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},
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},
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{
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skipDoc: true,
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document: "# b\nb:\n # a\n a: cat",
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expression: ". * {}",
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expected: []string{
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"D0, P[], (!!map)::# b\nb:\n # a\n a: cat\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: &a { b: &b { c: &c cat } } }`,
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expression: `{} * .`,
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expected: []string{
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"D0, P[], (!!map)::{a: &a {b: &b {c: &c cat}}}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: 2, b: 5}`,
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document2: `{a: 3, b: 10}`,
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expression: `.a * .b`,
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expected: []string{
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"D0, P[a], (!!int)::10\n",
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"D0, P[a], (!!int)::20\n",
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"D0, P[a], (!!int)::15\n",
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"D0, P[a], (!!int)::30\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: 2}`,
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document2: `{b: 10}`,
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expression: `select(fi ==0) * select(fi==1)`,
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expected: []string{
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"D0, P[], (!!map)::{a: 2, b: 10}\n",
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},
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},
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{
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skipDoc: true,
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expression: `{} * {"cat":"dog"}`,
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expected: []string{
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"D0, P[], (!!map)::cat: dog\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {also: me}, b: {also: [1]}}`,
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {also: [1]}, b: {also: [1]}}\n",
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},
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},
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{
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description: "Merge objects together, returning merged result only",
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document: `{a: {field: me, fieldA: cat}, b: {field: {g: wizz}, fieldB: dog}}`,
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expression: `.a * .b`,
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expected: []string{
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"D0, P[a], (!!map)::{field: {g: wizz}, fieldA: cat, fieldB: dog}\n",
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},
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},
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{
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description: "Merge objects together, returning parent object",
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document: `{a: {field: me, fieldA: cat}, b: {field: {g: wizz}, fieldB: dog}}`,
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {field: {g: wizz}, fieldA: cat, fieldB: dog}, b: {field: {g: wizz}, fieldB: dog}}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {also: {g: wizz}}, b: {also: me}}`,
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {also: me}, b: {also: me}}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {also: {g: wizz}}, b: {also: [1]}}`,
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {also: [1]}, b: {also: [1]}}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {also: [1]}, b: {also: {g: wizz}}}`,
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {also: {g: wizz}}, b: {also: {g: wizz}}}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {things: great}, b: {also: me}}`,
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expression: `. * {"a": .b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {things: great, also: me}, b: {also: me}}\n",
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},
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},
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{
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description: "Merge keeps style of LHS",
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dontFormatInputForDoc: true,
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document: "a: {things: great}\nb:\n also: \"me\"",
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::a: {things: great, also: \"me\"}\nb:\n also: \"me\"\n",
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},
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},
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{
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description: "Merge arrays",
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document: `{a: [1,2,3], b: [3,4,5]}`,
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expression: `. * {"a":.b}`,
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expected: []string{
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"D0, P[], (!!map)::{a: [3, 4, 5], b: [3, 4, 5]}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: [1], b: [2]}`,
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expression: `.a *+ .b`,
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expected: []string{
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"D0, P[a], (!!seq)::[1, 2]\n",
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},
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},
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{
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description: "Merge, only existing fields",
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document: `{a: {thing: one, cat: frog}, b: {missing: two, thing: two}}`,
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expression: `.a *? .b`,
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expected: []string{
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"D0, P[a], (!!map)::{thing: two, cat: frog}\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: [{thing: one}], b: [{missing: two, thing: two}]}`,
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expression: `.a *?d .b`,
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expected: []string{
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"D0, P[a], (!!seq)::[{thing: two}]\n",
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},
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},
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{
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skipDoc: true,
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document: `{a: {array: [1]}, b: {}}`,
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expression: `.b *+ .a`,
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expected: []string{
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"D0, P[b], (!!map)::{array: [1]}\n",
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},
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},
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{
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description: "Merge, appending arrays",
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document: `{a: {array: [1, 2, animal: dog], value: coconut}, b: {array: [3, 4, animal: cat], value: banana}}`,
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expression: `.a *+ .b`,
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expected: []string{
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"D0, P[a], (!!map)::{array: [1, 2, {animal: dog}, 3, 4, {animal: cat}], value: banana}\n",
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},
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},
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{
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description: "Merge, only existing fields, appending arrays",
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document: `{a: {thing: [1,2]}, b: {thing: [3,4], another: [1]}}`,
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expression: `.a *?+ .b`,
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expected: []string{
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"D0, P[a], (!!map)::{thing: [1, 2, 3, 4]}\n",
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},
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},
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{
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description: "Merge, deeply merging arrays",
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subdescription: "Merging arrays deeply means arrays are merge like objects, with indexes as their key. In this case, we merge the first item in the array, and do nothing with the second.",
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document: `{a: [{name: fred, age: 12}, {name: bob, age: 32}], b: [{name: fred, age: 34}]}`,
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expression: `.a *d .b`,
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expected: []string{
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"D0, P[a], (!!seq)::[{name: fred, age: 34}, {name: bob, age: 32}]\n",
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},
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},
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{
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description: "Merge arrays of objects together, matching on a key",
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subdescription: mergeArraysObjectKeysText,
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document: `{myArray: [{a: apple, b: appleB}, {a: kiwi, b: kiwiB}, {a: banana, b: bananaB}], something: else}`,
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document2: `myArray: [{a: banana, c: bananaC}, {a: apple, b: appleB2}, {a: dingo, c: dingoC}]`,
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expression: mergeExpression,
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expected: []string{
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"D0, P[], (doc)::{myArray: [{a: apple, b: appleB2}, {a: kiwi, b: kiwiB}, {a: banana, b: bananaB, c: bananaC}, {a: dingo, c: dingoC}], something: else}\n",
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},
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},
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{
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description: "Merge to prefix an element",
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document: `{a: cat, b: dog}`,
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expression: `. * {"a": {"c": .a}}`,
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expected: []string{
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"D0, P[], (!!map)::{a: {c: cat}, b: dog}\n",
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},
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},
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{
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description: "Merge with simple aliases",
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document: `{a: &cat {c: frog}, b: {f: *cat}, c: {g: thongs}}`,
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expression: `.c * .b`,
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expected: []string{
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"D0, P[c], (!!map)::{g: thongs, f: *cat}\n",
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},
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},
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{
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description: "Merge copies anchor names",
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document: `{a: {c: &cat frog}, b: {f: *cat}, c: {g: thongs}}`,
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expression: `.c * .a`,
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expected: []string{
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"D0, P[c], (!!map)::{g: thongs, c: &cat frog}\n",
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},
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},
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{
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description: "Merge with merge anchors",
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document: mergeDocSample,
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expression: `.foobar * .foobarList`,
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expected: []string{
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"D0, P[foobar], (!!map)::c: foobarList_c\n!!merge <<: [*foo, *bar]\nthing: foobar_thing\nb: foobarList_b\n",
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},
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},
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{
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skipDoc: true,
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document: document,
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expression: `.b * .c`,
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expected: []string{
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"D0, P[b], (!!map)::{name: dog, <<: *cat}\n",
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},
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},
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}
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func TestMultiplyOperatorScenarios(t *testing.T) {
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for _, tt := range multiplyOperatorScenarios {
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testScenario(t, &tt)
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}
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documentOperatorScenarios(t, "multiply-merge", multiplyOperatorScenarios)
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}
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