mirror of
https://github.com/status-im/nim-json-serialization.git
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f42567c00c
Other changes: * Migrate many procs accepting JsonReader to JsonLexer in order to reduce the number of generic instantiations and the resulting code bloat
75 lines
2.1 KiB
Nim
75 lines
2.1 KiB
Nim
{.used.}
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import
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unittest,
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../json_serialization/lexer, ./utils
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template expectedToken(token: TokKind, additionalCheck = true) {.dirty.} =
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lexer.next()
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check:
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lexer.tok == token
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bool(additionalCheck)
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template lexerTest(name, inputParam: string, expectations) {.dirty.} =
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test name:
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var input = test_dedent(inputParam)
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var stream = unsafeMemoryInput(input)
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var lexer = JsonLexer.init stream
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expectations
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template `=~`(lhs, rhs: float): bool =
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abs(lhs - rhs) < 0.01
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suite "lexer tests":
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lexerTest "object with simple fields", """
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{
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"x": 10,
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"y": "test"
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}
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""":
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expectedToken tkCurlyLe
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expectedToken tkString, lexer.strVal == "x"
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expectedToken tkColon
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expectedToken tkInt, lexer.absIntVal == 10
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expectedToken tkComma
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expectedToken tkString, lexer.strVal == "y"
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expectedToken tkColon
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expectedToken tkString, lexer.strVal == "test"
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expectedToken tkCurlyRi
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expectedToken tkEof
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expectedToken tkEof # check that reading past the end is benign
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lexerTest "int literal", "190":
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expectedToken tkInt, lexer.absIntVal == 190
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expectedToken tkEof
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lexerTest "int64 literal", "3568257348920230622":
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expectedToken tkInt, lexer.absIntVal == 3568257348920230622'u64
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expectedToken tkEof
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lexerTest "float literal", ".340":
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expectedToken tkFloat, lexer.floatVal =~ 0.340
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expectedToken tkEof
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lexerTest "string literal", "\"hello\"":
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expectedToken tkString, lexer.strVal == "hello"
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expectedToken tkEof
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lexerTest "mixed array", "[1, 2.0, \"test\", {}, [],]":
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expectedToken tkBracketLe
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expectedToken tkInt, lexer.absIntVal == 1
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expectedToken tkComma
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expectedToken tkFloat, lexer.floatVal =~ 2.0
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expectedToken tkComma
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expectedToken tkString, lexer.strVal == "test"
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expectedToken tkComma
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expectedToken tkCurlyLe
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expectedToken tkCurlyRi
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expectedToken tkComma
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expectedToken tkBracketLe
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expectedToken tkBracketRi
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expectedToken tkComma
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expectedToken tkBracketRi
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expectedToken tkEof
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