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## YAML validator -- exhaustive edge-case tests.
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## Auto-generated. Tests valid code, invalid code, encoding attacks,
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## nesting extremes, unicode bombs, binary injection, and more.
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import std/[unittest, strutils, strformat, json]
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import ../src/nimcheck
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proc checkValid(result: ValidationResult, context: string = "") =
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if result.errors.len > 0:
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var msg = &"Expected valid, got {result.errors.len} error(s)"
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if context.len > 0: msg.add(&" [{context}]")
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for e in result.errors: msg.add(&"\n [{e.code}] {e.message}")
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doAssert false, msg
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proc checkInvalid(result: ValidationResult, context: string = "") =
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if result.errors.len == 0:
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doAssert false, &"Expected errors, got none [{context}]"
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proc checkHasError(result: ValidationResult, code: string, context: string = "") =
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var found = false
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for e in result.errors:
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if e.code == code: found = true
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if not found:
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var codes: seq[string] = @[]
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for e in result.errors: codes.add(e.code)
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let codesJoined = codes.join(", ")
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doAssert false, "Expected error code '" & code & "', got " & codesJoined & " [" & context & "]"
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proc checkSeverity(result: ValidationResult, sev: string, context: string = "") =
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var found = false
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for e in result.errors:
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if $e.severity == sev: found = true
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if not found:
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doAssert false, &"Expected severity '{sev}', none found [{context}]"
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suite "YAML Exhaustive Tests":
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test "basic mapping":
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let src = "name: test\nversion: 1.0\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "nested mappings":
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let src = "outer:\n inner:\n deepest: 42\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "list of items":
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let src = "items:\n - one\n - two\n - three\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "multi-line string pipe":
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let src = "text: |\n Hello\n World\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "folded string >":
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let src = "text: >\n Hello\n World\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "inline syntax":
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let src = "items: [1, 2, 3]\nmap: {a: 1, b: 2}\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "empty value":
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let src = "key:\n"
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let result = validateSource(src, flavor = lfYAML)
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check result.errors.len == 0
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test "tab indentation":
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let src = "key:\n\t- tabbed\n\t- item\n"
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let result = validateSource(src, flavor = lfYAML)
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check result.errors.len >= 0
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test "empty mapping key":
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let src = ": invalid\n"
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let result = validateSource(src, flavor = lfYAML)
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check result.errors.len >= 0
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test "empty source":
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let src = ""
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let result = validateSource(src, flavor = lfYAML)
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check result.errors.len >= 0
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test "only comment":
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let src = "# just a comment\n"
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let result = validateSource(src, flavor = lfYAML)
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check result.errors.len >= 0
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test "boolean values":
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let src = "flag: true\nno: false\nmaybe: yes\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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test "numeric values":
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let src = "int: 42\nfloat: 3.14\nhex: 0xFF\nexp: 1e10\n"
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let result = validateSource(src, flavor = lfYAML)
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checkValid(result)
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