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filter_test.go
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filter_test.go
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package jsonpath_test
import "testing"
// https://www.rfc-editor.org/rfc/rfc9535.html#name-filter-selector
func TestPath_Apply_filterSelector(t *testing.T) {
example := map[string]any{
"a": []any{3, 5, 1, 2, 4, 6,
map[string]any{"b": "j"},
map[string]any{"b": "k"},
map[string]any{"b": map[string]any{}},
map[string]any{"b": "kilo"},
},
"o": map[string]any{"p": 1, "q": 2, "r": 3, "s": 5, "t": map[string]any{"u": 6}},
"e": "f",
}
testCases{
{
comment: "Member value comparison",
query: "$.a[?@.b == 'kilo']",
result: []any{map[string]any{"b": "kilo"}},
},
{
comment: "Equivalent query with enclosing parentheses",
query: "$.a[?(@.b == 'kilo')]",
result: []any{map[string]any{"b": "kilo"}},
},
{
comment: "Array value comparison",
query: "$.a[?@>3.5]",
result: []any{5, 4, 6},
},
{
comment: "Array value existence",
query: "$.a[?@.b]",
result: []any{
map[string]any{"b": "j"},
map[string]any{"b": "k"},
map[string]any{"b": map[string]any{}},
map[string]any{"b": "kilo"},
},
},
{
comment: "Existence of non-singular queries",
query: "$[?@.*]",
result: []any{
[]any{3, 5, 1, 2, 4, 6,
map[string]any{"b": "j"},
map[string]any{"b": "k"},
map[string]any{"b": map[string]any{}},
map[string]any{"b": "kilo"},
},
map[string]any{
"p": 1, "q": 2, "r": 3, "s": 5,
"t": map[string]any{"u": 6},
},
},
},
{
comment: "Nested filters",
query: "$[?@[?@.b]]",
result: []any{
[]any{3, 5, 1, 2, 4, 6,
map[string]any{"b": "j"},
map[string]any{"b": "k"},
map[string]any{"b": map[string]any{}},
map[string]any{"b": "kilo"},
},
},
},
{
comment: "Non-deterministic ordering",
query: "$.o[?@<3, ?@<3]",
result: []any{1, 2, 1, 2},
},
{
comment: "Array value logical OR",
query: `$.a[?@<2 || @.b == "k"]`,
result: []any{1, map[string]any{"b": "k"}},
},
{
comment: "Array value regular expression match",
query: `$.a[?match(@.b, "[jk]")]`,
result: []any{
map[string]any{"b": "j"},
map[string]any{"b": "k"},
},
},
{
comment: "Array value regular expression search",
query: `$.a[?search(@.b, "[jk]")]`,
result: []any{
map[string]any{"b": "j"},
map[string]any{"b": "k"},
map[string]any{"b": "kilo"},
},
},
{
comment: "Object value logical AND",
query: "$.o[?@>1 && @<4]",
result: []any{2, 3},
},
{
comment: "Object value logical OR",
query: "$.o[?@.u || @.x]",
result: []any{map[string]any{"u": 6}},
},
{
comment: "Comparison of queries with no values",
query: "$.a[?@.b == $.x]",
result: []any{3, 5, 1, 2, 4, 6},
},
{
comment: "Comparisons of primitive and of structured values",
query: "$.a[?@ == @]",
result: []any{3, 5, 1, 2, 4, 6,
map[string]any{"b": "j"},
map[string]any{"b": "k"},
map[string]any{"b": map[string]any{}},
map[string]any{"b": "kilo"},
},
},
}.Run(t, example)
}