{
  "description": "RecordPath parsing tests: type classification (scalar vs vector) and validity.",
  "type_tests": [
    {
      "description": "simple key is scalar",
      "path": "text",
      "type": "scalar"
    },
    {
      "description": "dotted path is scalar",
      "path": "subject.uri",
      "type": "scalar"
    },
    {
      "description": "deeply nested path is scalar",
      "path": "a.b.c.d.e",
      "type": "scalar"
    },
    {
      "description": "scalar union is scalar",
      "path": "embed{app.bsky.embed.record}.record.uri",
      "type": "scalar"
    },
    {
      "description": "bare array is vector",
      "path": "tags[]",
      "type": "vector"
    },
    {
      "description": "array with trailing key is vector",
      "path": "items[].name",
      "type": "vector"
    },
    {
      "description": "union array is vector",
      "path": "features[app.bsky.richtext.facet#link].uri",
      "type": "vector"
    },
    {
      "description": "nested arrays is vector",
      "path": "groups[].items[]",
      "type": "vector"
    },
    {
      "description": "scalar union + array is vector",
      "path": "embed{app.bsky.embed.images}.images[].alt",
      "type": "vector"
    },
    {
      "description": "escaped dot does not make it vector",
      "path": "dot!.key",
      "type": "scalar"
    },
    {
      "description": "escaped bracket does not make it vector",
      "path": "a![0!]",
      "type": "scalar"
    },
    {
      "description": "$type path is scalar",
      "path": "$type",
      "type": "scalar"
    }
  ],
  "invalid_tests": [
    {
      "description": "empty string",
      "path": "",
      "note": "a RecordPath must have at least one segment"
    },
    {
      "description": "unclosed square bracket",
      "path": "field[",
      "note": "missing closing ]"
    },
    {
      "description": "unclosed curly brace",
      "path": "field{nsid",
      "note": "missing closing }"
    },
    {
      "description": "unopened square bracket",
      "path": "field]",
      "note": "missing opening ["
    },
    {
      "description": "unopened curly brace",
      "path": "field}nsid",
      "note": "missing opening {"
    },
    {
      "description": "trailing dot",
      "path": "field.",
      "note": "empty segment after dot"
    },
    {
      "description": "leading dot",
      "path": ".field",
      "note": "empty segment before dot"
    },
    {
      "description": "double dot",
      "path": "a..b",
      "note": "empty segment between dots"
    },
    {
      "description": "escape followed by a non-escapable character",
      "path": "field!s",
      "note": "escape character with nothing to escape"
    },
    {
      "description": "lone escape at end of input",
      "path": "field!",
      "note": "escape character with nothing to escape"
    }
  ]
}