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jsonpath: allow empty paths

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Evgeniy Stratonikov 2021-05-11 12:35:28 +03:00
parent 5fc81c787b
commit 28a0d68c05
2 changed files with 5 additions and 0 deletions
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4
pkg/services/oracle/jsonpath/jsonpath.go
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@ -38,6 +38,10 @@ const maxNestingDepth = 6
// Get returns substructures of value selected by path.
// The result is always non-nil unless path is invalid.
func Get(path string, value interface{}) ([]interface{}, bool) {
if path == "" {
return []interface{}{value}, true
}
p := pathParser{
depth: maxNestingDepth,
s: path,

1
pkg/services/oracle/jsonpath/jsonpath_test.go
View file

@ -264,6 +264,7 @@ func TestCSharpCompat(t *testing.T) {
{"$..book[1:2]", `[{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99}]`},
{"$..book[-2:]", `[{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}]`},
{"$..book[2:]", `[{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}]`},
{"", `[{"store":{"book":[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95},{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99},{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}],"bicycle":{"color":"red","price":19.95}},"expensive":10}]`},
{"$.*", `[{"book":[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95},{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99},{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}],"bicycle":{"color":"red","price":19.95}},10]`},
{"$..invalidfield", `[]`},
}