mirror of https://github.com/status-im/NimYAML.git
262 lines
15 KiB
Nim
262 lines
15 KiB
Nim
import "../yaml"
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import unittest
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proc printDifference(expected, actual: YamlStreamEvent) =
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if expected.kind != actual.kind:
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echo "expected " & $expected.kind & ", got " & $actual.kind
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else:
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case expected.kind
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of yamlScalar:
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if expected.scalarTag != actual.scalarTag:
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echo "[\"", actual.scalarContent, "\".tag] expected tag ",
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expected.scalarTag, ", got ", actual.scalarTag
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elif expected.scalarAnchor != actual.scalarAnchor:
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echo "[scalarEvent] expected anchor ", expected.scalarAnchor,
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", got ", actual.scalarAnchor
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elif expected.scalarContent != actual.scalarContent:
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let msg = "[scalarEvent] expected content \"" &
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expected.scalarContent & "\", got \"" &
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actual.scalarContent & "\" "
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if expected.scalarContent.len != actual.scalarContent.len:
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echo msg, "(length does not match)"
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else:
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for i in 0..expected.scalarContent.high:
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if expected.scalarContent[i] != actual.scalarContent[i]:
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echo msg, "(first different char at pos ", i,
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": expected ",
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cast[int](expected.scalarContent[i]),
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", got ",
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cast[int](actual.scalarContent[i]), ")"
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break
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else:
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echo "[scalarEvent] Unknown difference"
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of yamlStartMap:
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if expected.mapTag != actual.mapTag:
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echo "[map.tag] expected ", expected.mapTag, ", got ",
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actual.mapTag
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else:
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echo "[map.tag] Unknown difference"
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of yamlStartSequence:
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if expected.seqTag != actual.seqTag:
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echo "[seq.tag] expected ", expected.seqTag, ", got ",
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actual.seqTag
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of yamlAlias:
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if expected.aliasTarget != actual.aliasTarget:
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echo "[alias] expected ", expected.aliasTarget, ", got ",
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actual.aliasTarget
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else:
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echo "[alias] Unknown difference"
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else:
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echo "Unknown difference in event kind " & $expected.kind
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template ensure(input: string, expected: varargs[YamlStreamEvent]) {.dirty.} =
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var
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i = 0
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parser = newYamlParser(tagLib)
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events = parser.parse(newStringStream(input))
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try:
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for token in events:
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if i >= expected.len:
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echo "received more tokens than expected (next token = ",
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token.kind, ")"
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fail()
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break
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if token != expected[i]:
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echo "at token #" & $i & ":"
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printDifference(expected[i], token)
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fail()
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break
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i.inc()
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except YamlParserError:
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let e = cast[ref YamlParserError](getCurrentException())
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echo "Parser error:", getCurrentExceptionMsg()
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echo e.lineContent
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fail()
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suite "Parsing":
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setup:
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var tagLib = initCoreTagLibrary()
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teardown:
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discard
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test "Parsing: Simple scalarEvent":
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ensure("scalarEvent", startDocEvent(), scalarEvent("scalarEvent"), endDocEvent())
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test "Parsing: Simple Sequence":
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ensure("- off", startDocEvent(), startSeqEvent(),
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scalarEvent("off"), endSeqEvent(), endDocEvent())
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test "Parsing: Simple Map":
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ensure("42: value\nkey2: -7.5", startDocEvent(), startMapEvent(),
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scalarEvent("42"), scalarEvent("value"), scalarEvent("key2"),
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scalarEvent("-7.5"), endMapEvent(), endDocEvent())
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test "Parsing: Explicit Map":
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ensure("? null\n: value\n? ON\n: value2", startDocEvent(), startMapEvent(),
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scalarEvent("null"), scalarEvent("value"),
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scalarEvent("ON"), scalarEvent("value2"),
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endMapEvent(), endDocEvent())
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test "Parsing: Mixed Map (explicit to implicit)":
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ensure("? a\n: 13\n1.5: d", startDocEvent(), startMapEvent(), scalarEvent("a"),
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scalarEvent("13"), scalarEvent("1.5"),
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scalarEvent("d"), endMapEvent(), endDocEvent())
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test "Parsing: Mixed Map (implicit to explicit)":
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ensure("a: 4.2\n? 23\n: d", startDocEvent(), startMapEvent(), scalarEvent("a"),
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scalarEvent("4.2"), scalarEvent("23"),
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scalarEvent("d"), endMapEvent(), endDocEvent())
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test "Parsing: Missing values in map":
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ensure("? a\n? b\nc:", startDocEvent(), startMapEvent(), scalarEvent("a"), scalarEvent(""),
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scalarEvent("b"), scalarEvent(""), scalarEvent("c"), scalarEvent(""), endMapEvent(),
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endDocEvent())
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test "Parsing: Missing keys in map":
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ensure(": a\n: b", startDocEvent(), startMapEvent(), scalarEvent(""), scalarEvent("a"),
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scalarEvent(""), scalarEvent("b"), endMapEvent(), endDocEvent())
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test "Parsing: Multiline scalarEvents in explicit map":
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ensure("? a\n true\n: null\n d\n? e\n 42", startDocEvent(), startMapEvent(),
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scalarEvent("a true"), scalarEvent("null d"), scalarEvent("e 42"), scalarEvent(""),
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endMapEvent(), endDocEvent())
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test "Parsing: Map in Sequence":
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ensure(" - key: value\n key2: value2\n -\n key3: value3",
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startDocEvent(), startSeqEvent(), startMapEvent(), scalarEvent("key"),
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scalarEvent("value"), scalarEvent("key2"), scalarEvent("value2"), endMapEvent(),
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startMapEvent(), scalarEvent("key3"), scalarEvent("value3"), endMapEvent(),
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endSeqEvent(), endDocEvent())
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test "Parsing: Sequence in Map":
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ensure("key:\n - item1\n - item2", startDocEvent(), startMapEvent(),
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scalarEvent("key"), startSeqEvent(), scalarEvent("item1"), scalarEvent("item2"),
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endSeqEvent(), endMapEvent(), endDocEvent())
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test "Parsing: Sequence in Sequence":
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ensure("- - l1_i1\n - l1_i2\n- l2_i1", startDocEvent(), startSeqEvent(),
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startSeqEvent(), scalarEvent("l1_i1"), scalarEvent("l1_i2"), endSeqEvent(),
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scalarEvent("l2_i1"), endSeqEvent(), endDocEvent())
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test "Parsing: Flow Sequence":
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ensure("[2, b]", startDocEvent(), startSeqEvent(), scalarEvent("2"),
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scalarEvent("b"), endSeqEvent(), endDocEvent())
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test "Parsing: Flow Map":
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ensure("{a: Y, 1.337: d}", startDocEvent(), startMapEvent(), scalarEvent("a"),
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scalarEvent("Y"), scalarEvent("1.337"),
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scalarEvent("d"), endMapEvent(), endDocEvent())
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test "Parsing: Flow Sequence in Flow Sequence":
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ensure("[a, [b, c]]", startDocEvent(), startSeqEvent(), scalarEvent("a"),
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startSeqEvent(), scalarEvent("b"), scalarEvent("c"), endSeqEvent(),
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endSeqEvent(), endDocEvent())
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test "Parsing: Flow Sequence in Flow Map":
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ensure("{a: [b, c], [d, e]: f}", startDocEvent(), startMapEvent(), scalarEvent("a"),
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startSeqEvent(), scalarEvent("b"), scalarEvent("c"), endSeqEvent(),
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startSeqEvent(), scalarEvent("d"), scalarEvent("e"), endSeqEvent(),
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scalarEvent("f"), endMapEvent(), endDocEvent())
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test "Parsing: Flow Sequence in Map":
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ensure("a: [b, c]", startDocEvent(), startMapEvent(), scalarEvent("a"),
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startSeqEvent(), scalarEvent("b"), scalarEvent("c"), endSeqEvent(),
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endMapEvent(), endDocEvent())
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test "Parsing: Flow Map in Sequence":
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ensure("- {a: b}", startDocEvent(), startSeqEvent(), startMapEvent(), scalarEvent("a"),
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scalarEvent("b"), endMapEvent(), endSeqEvent(), endDocEvent())
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test "Parsing: Multiline scalar (top level)":
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ensure("a\nb \n c\nd", startDocEvent(), scalarEvent("a b c d"), endDocEvent())
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test "Parsing: Multiline scalar (in map)":
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ensure("a: b\n c\nd:\n e\n f", startDocEvent(), startMapEvent(), scalarEvent("a"),
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scalarEvent("b c"), scalarEvent("d"), scalarEvent("e f"), endMapEvent(), endDocEvent())
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test "Parsing: Block scalar (literal)":
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ensure("a: |\x0A ab\x0A \x0A cd\x0A ef\x0A \x0A", startDocEvent(),
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startMapEvent(), scalarEvent("a"), scalarEvent("ab\x0A\x0Acd\x0Aef\x0A", yTagExclamationmark),
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endMapEvent(), endDocEvent())
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test "Parsing: Block scalar (folded)":
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ensure("a: >\x0A ab\x0A cd\x0A \x0A ef\x0A\x0A\x0A gh\x0A", startDocEvent(),
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startMapEvent(), scalarEvent("a"), scalarEvent("ab cd\x0Aef\x0A\x0Agh\x0A", yTagExclamationmark),
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endMapEvent(), endDocEvent())
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test "Parsing: Block scalar (keep)":
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ensure("a: |+\x0A ab\x0A \x0A \x0A", startDocEvent(), startMapEvent(),
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scalarEvent("a"), scalarEvent("ab\x0A\x0A \x0A", yTagExclamationmark), endMapEvent(), endDocEvent())
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test "Parsing: Block scalar (strip)":
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ensure("a: |-\x0A ab\x0A \x0A \x0A", startDocEvent(), startMapEvent(),
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scalarEvent("a"), scalarEvent("ab", yTagExclamationmark), endMapEvent(), endDocEvent())
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test "Parsing: non-specific tags of quoted strings":
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ensure("\"a\"", startDocEvent(),
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scalarEvent("a", yTagExclamationMark), endDocEvent())
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test "Parsing: explicit non-specific tag":
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ensure("! a", startDocEvent(), scalarEvent("a", yTagExclamationMark), endDocEvent())
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test "Parsing: secondary tag handle resolution":
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ensure("!!str a", startDocEvent(), scalarEvent("a", yTagString), endDocEvent())
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test "Parsing: resolving custom tag handles":
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let fooId = tagLib.registerUri("tag:example.com,2015:foo")
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ensure("%TAG !t! tag:example.com,2015:\n---\n!t!foo a", startDocEvent(),
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scalarEvent("a", fooId), endDocEvent())
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test "Parsing: tags in sequence":
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ensure(" - !!str a\n - b\n - !!int c\n - d", startDocEvent(),
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startSeqEvent(), scalarEvent("a", yTagString), scalarEvent("b"),
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scalarEvent("c", yTagInteger), scalarEvent("d"), endSeqEvent(), endDocEvent())
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test "Parsing: tags in implicit map":
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ensure("!!str a: b\nc: !!int d\ne: !!str f\ng: h", startDocEvent(), startMapEvent(),
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scalarEvent("a", yTagString), scalarEvent("b"), scalarEvent("c"),
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scalarEvent("d", yTagInteger), scalarEvent("e"), scalarEvent("f", yTagString),
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scalarEvent("g"), scalarEvent("h"), endMapEvent(), endDocEvent())
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test "Parsing: tags in explicit map":
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ensure("? !!str a\n: !!int b\n? c\n: !!str d", startDocEvent(), startMapEvent(),
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scalarEvent("a", yTagString), scalarEvent("b", yTagInteger), scalarEvent("c"),
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scalarEvent("d", yTagString), endMapEvent(), endDocEvent())
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test "Parsing: tags for block objects":
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ensure("--- !!map\nfoo: !!seq\n - a\n - !!str b\n!!str bar: !!str baz",
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startDocEvent(), startMapEvent(yTagMap), scalarEvent("foo"),
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startSeqEvent(yTagSequence), scalarEvent("a"), scalarEvent("b", yTagString),
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endSeqEvent(), scalarEvent("bar", yTagString),
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scalarEvent("baz", yTagString), endMapEvent(), endDocEvent())
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test "Parsing: root tag for block sequence":
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ensure("--- !!seq\n- a", startDocEvent(), startSeqEvent(yTagSequence),
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scalarEvent("a"), endSeqEvent(), endDocEvent())
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test "Parsing: root tag for explicit block map":
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ensure("--- !!map\n? a\n: b", startDocEvent(), startMapEvent(yTagMap),
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scalarEvent("a"), scalarEvent("b"), endMapEvent(), endDocEvent())
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test "Parsing: tags for flow objects":
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ensure("!!map { k: !!seq [ a, !!str b] }", startDocEvent(), startMapEvent(yTagMap),
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scalarEvent("k"), startSeqEvent(yTagSequence), scalarEvent("a"),
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scalarEvent("b", yTagString), endSeqEvent(), endMapEvent(), endDocEvent())
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test "Parsing: Tag after directives end":
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ensure("--- !!str\nfoo", startDocEvent(), scalarEvent("foo", yTagString), endDocEvent())
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test "Parsing: Simple Anchor":
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ensure("&a str", startDocEvent(), scalarEvent("str", yTagQuestionMark,
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0.AnchorId), endDocEvent())
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test "Parsing: Anchors in sequence":
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ensure(" - &a a\n - b\n - &c c\n - &a d", startDocEvent(), startSeqEvent(),
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scalarEvent("a", yTagQuestionMark, 0.AnchorId), scalarEvent("b"),
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scalarEvent("c", yTagQuestionMark, 1.AnchorId),
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scalarEvent("d", yTagQuestionMark, 2.AnchorId), endSeqEvent(),
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endDocEvent())
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test "Parsing: Anchors in map":
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ensure("&a a: b\nc: &d d", startDocEvent(), startMapEvent(),
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scalarEvent("a", yTagQuestionMark, 0.AnchorId),
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scalarEvent("b"), scalarEvent("c"),
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scalarEvent("d", yTagQuestionMark, 1.AnchorId),
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endMapEvent(), endDocEvent())
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test "Parsing: Anchors and tags":
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ensure(" - &a !!str a\n - !!int b\n - &c !!int c\n - &d d", startDocEvent(),
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startSeqEvent(), scalarEvent("a", yTagString, 0.AnchorId),
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scalarEvent("b", yTagInteger), scalarEvent("c", yTagInteger, 1.AnchorId),
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scalarEvent("d", yTagQuestionMark, 2.AnchorId), endSeqEvent(),
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endDocEvent())
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test "Parsing: Aliases in sequence":
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ensure(" - &a a\n - &b b\n - *a\n - *b", startDocEvent(), startSeqEvent(),
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scalarEvent("a", yTagQuestionMark, 0.AnchorId),
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scalarEvent("b", yTagQuestionMark, 1.AnchorId), aliasEvent(0.AnchorId),
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aliasEvent(1.AnchorId), endSeqEvent(), endDocEvent())
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test "Parsing: Aliases in map":
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ensure("&a a: &b b\n*a : *b", startDocEvent(), startMapEvent(),
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scalarEvent("a", yTagQuestionMark, 0.AnchorId),
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scalarEvent("b", yTagQuestionMark, 1.AnchorId), aliasEvent(0.AnchorId),
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aliasEvent(1.AnchorId), endMapEvent(), endDocEvent())
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test "Parsing: Aliases in flow":
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ensure("{ &a [a, &b b]: *b, *a : [c, *b, d]}", startDocEvent(), startMapEvent(),
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startSeqEvent(yTagQuestionMark, 0.AnchorId), scalarEvent("a"),
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scalarEvent("b", yTagQuestionMark, 1.AnchorId), endSeqEvent(),
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aliasEvent(1.AnchorId), aliasEvent(0.AnchorId), startSeqEvent(),
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scalarEvent("c"), aliasEvent(1.AnchorId), scalarEvent("d"), endSeqEvent(),
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endMapEvent(), endDocEvent())
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test "Parsing: Tags on empty scalars":
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ensure("!!str : a\nb: !!int\n!!str : !!str", startDocEvent(), startMapEvent(),
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scalarEvent("", yTagString), scalarEvent("a"), scalarEvent("b"),
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scalarEvent("", yTagInteger), scalarEvent("", yTagString),
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scalarEvent("", yTagString), endMapEvent(), endDocEvent())
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test "Parsing: Anchors on empty scalars":
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ensure("&a : a\nb: &b\n&c : &a", startDocEvent(), startMapEvent(),
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scalarEvent("", yTagQuestionMark, 0.AnchorId), scalarEvent("a"),
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scalarEvent("b"), scalarEvent("", yTagQuestionMark, 1.AnchorId),
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scalarEvent("", yTagQuestionMark, 2.AnchorId),
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scalarEvent("", yTagQuestionMark, 3.AnchorId), endMapEvent(), endDocEvent()) |