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Diffstat (limited to 'test/functional/eval/json_functions_spec.lua')
| -rw-r--r-- | test/functional/eval/json_functions_spec.lua | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/test/functional/eval/json_functions_spec.lua b/test/functional/eval/json_functions_spec.lua index 5e1c6a3984..f979a6dd7c 100644 --- a/test/functional/eval/json_functions_spec.lua +++ b/test/functional/eval/json_functions_spec.lua @@ -6,6 +6,238 @@ local eval = helpers.eval local execute = helpers.execute local exc_exec = helpers.exc_exec +describe('jsondecode() function', function() + before_each(clear) + + it('accepts readfile()-style list', function() + eq({Test=1}, funcs.jsondecode({ + '{', + '\t"Test": 1', + '}', + })) + end) + + it('accepts strings with newlines', function() + eq({Test=1}, funcs.jsondecode([[ + { + "Test": 1 + } + ]])) + end) + + it('parses null, true, false', function() + eq(nil, funcs.jsondecode('null')) + eq(true, funcs.jsondecode('true')) + eq(false, funcs.jsondecode('false')) + end) + + it('fails to parse incomplete null, true, false', function() + eq('Vim(call):E474: Expected null: n', + exc_exec('call jsondecode("n")')) + eq('Vim(call):E474: Expected null: nu', + exc_exec('call jsondecode("nu")')) + eq('Vim(call):E474: Expected null: nul', + exc_exec('call jsondecode("nul")')) + eq('Vim(call):E474: Expected null: nul\n\t', + exc_exec('call jsondecode("nul\\n\\t")')) + + eq('Vim(call):E474: Expected true: t', + exc_exec('call jsondecode("t")')) + eq('Vim(call):E474: Expected true: tr', + exc_exec('call jsondecode("tr")')) + eq('Vim(call):E474: Expected true: tru', + exc_exec('call jsondecode("tru")')) + eq('Vim(call):E474: Expected true: tru\t\n', + exc_exec('call jsondecode("tru\\t\\n")')) + + eq('Vim(call):E474: Expected false: f', + exc_exec('call jsondecode("f")')) + eq('Vim(call):E474: Expected false: fa', + exc_exec('call jsondecode("fa")')) + eq('Vim(call):E474: Expected false: fal', + exc_exec('call jsondecode("fal")')) + eq('Vim(call):E474: Expected false: fal <', + exc_exec('call jsondecode(" fal <")')) + eq('Vim(call):E474: Expected false: fals', + exc_exec('call jsondecode("fals")')) + end) + + it('parses integer numbers', function() + eq(100000, funcs.jsondecode('100000')) + eq(-100000, funcs.jsondecode('-100000')) + eq(100000, funcs.jsondecode(' 100000 ')) + eq(-100000, funcs.jsondecode(' -100000 ')) + end) + + it('fails to parse +numbers', function() + eq('Vim(call):E474: Unidentified byte: +1000', + exc_exec('call jsondecode("+1000")')) + end) + + it('fails to parse negative numbers with space after -', function() + eq('Vim(call):E474: Missing number after minus sign: - 1000', + exc_exec('call jsondecode("- 1000")')) + end) + + it('fails to parse -', function() + eq('Vim(call):E474: Missing number after minus sign: -', + exc_exec('call jsondecode("-")')) + end) + + it('parses floating-point numbers', function() + eq('100000.0', eval('string(jsondecode("100000.0"))')) + eq(100000.5, funcs.jsondecode('100000.5')) + eq(-100000.5, funcs.jsondecode('-100000.5')) + eq(-100000.5e50, funcs.jsondecode('-100000.5e50')) + eq(100000.5e50, funcs.jsondecode('100000.5e50')) + eq(100000.5e50, funcs.jsondecode('100000.5e+50')) + eq(-100000.5e-50, funcs.jsondecode('-100000.5e-50')) + eq(100000.5e-50, funcs.jsondecode('100000.5e-50')) + end) + + it('fails to parse incomplete floating-point numbers', function() + eq('Vim(call):E474: Missing number after decimal dot: 0.', + exc_exec('call jsondecode("0.")')) + eq('Vim(call):E474: Missing exponent: 0.0e', + exc_exec('call jsondecode("0.0e")')) + eq('Vim(call):E474: Missing exponent: 0.0e+', + exc_exec('call jsondecode("0.0e+")')) + eq('Vim(call):E474: Missing exponent: 0.0e-', + exc_exec('call jsondecode("0.0e-")')) + end) + + it('fails to parse floating-point numbers with spaces inside', function() + eq('Vim(call):E474: Missing number after decimal dot: 0. ', + exc_exec('call jsondecode("0. ")')) + eq('Vim(call):E474: Missing number after decimal dot: 0. 0', + exc_exec('call jsondecode("0. 0")')) + eq('Vim(call):E474: Missing exponent: 0.0e 1', + exc_exec('call jsondecode("0.0e 1")')) + eq('Vim(call):E474: Missing exponent: 0.0e+ 1', + exc_exec('call jsondecode("0.0e+ 1")')) + eq('Vim(call):E474: Missing exponent: 0.0e- 1', + exc_exec('call jsondecode("0.0e- 1")')) + end) + + it('fails to parse "," and ":"', function() + eq('Vim(call):E474: Comma not inside container: , ', + exc_exec('call jsondecode(" , ")')) + eq('Vim(call):E474: Colon not inside container: : ', + exc_exec('call jsondecode(" : ")')) + end) + + it('parses empty containers', function() + eq({}, funcs.jsondecode('[]')) + eq('[]', eval('string(jsondecode("[]"))')) + end) + + it('fails to parse "[" and "{"', function() + eq('Vim(call):E474: Unexpected end of input: {', + exc_exec('call jsondecode("{")')) + eq('Vim(call):E474: Unexpected end of input: [', + exc_exec('call jsondecode("[")')) + end) + + it('fails to parse "}" and "]"', function() + eq('Vim(call):E474: No container to close: ]', + exc_exec('call jsondecode("]")')) + eq('Vim(call):E474: No container to close: }', + exc_exec('call jsondecode("}")')) + end) + + it('fails to parse containers which are closed by different brackets', + function() + eq('Vim(call):E474: Closing dictionary with bracket: ]', + exc_exec('call jsondecode("{]")')) + eq('Vim(call):E474: Closing list with figure brace: }', + exc_exec('call jsondecode("[}")')) + end) + + it('fails to parse containers with leading comma or colon', function() + eq('Vim(call):E474: Leading comma: ,}', + exc_exec('call jsondecode("{,}")')) + eq('Vim(call):E474: Leading comma: ,]', + exc_exec('call jsondecode("[,]")')) + eq('Vim(call):E474: Using colon not in dictionary: :]', + exc_exec('call jsondecode("[:]")')) + eq('Vim(call):E474: Unexpected colon: :}', + exc_exec('call jsondecode("{:}")')) + end) + + it('fails to parse containers with trailing comma', function() + eq('Vim(call):E474: Trailing comma: ]', + exc_exec('call jsondecode("[1,]")')) + eq('Vim(call):E474: Trailing comma: }', + exc_exec('call jsondecode("{\\"1\\": 2,}")')) + end) + + it('fails to parse dictionaries with missing value', function() + eq('Vim(call):E474: Expected value after colon: }', + exc_exec('call jsondecode("{\\"1\\":}")')) + eq('Vim(call):E474: Expected value: }', + exc_exec('call jsondecode("{\\"1\\"}")')) + end) + + it('fails to parse containers with two commas or colons', function() + eq('Vim(call):E474: Duplicate comma: , "2": 2}', + exc_exec('call jsondecode("{\\"1\\": 1,, \\"2\\": 2}")')) + eq('Vim(call):E474: Duplicate comma: , "2", 2]', + exc_exec('call jsondecode("[\\"1\\", 1,, \\"2\\", 2]")')) + eq('Vim(call):E474: Duplicate colon: : 2}', + exc_exec('call jsondecode("{\\"1\\": 1, \\"2\\":: 2}")')) + eq('Vim(call):E474: Comma after colon: , 2}', + exc_exec('call jsondecode("{\\"1\\": 1, \\"2\\":, 2}")')) + eq('Vim(call):E474: Unexpected colon: : "2": 2}', + exc_exec('call jsondecode("{\\"1\\": 1,: \\"2\\": 2}")')) + eq('Vim(call):E474: Unexpected colon: :, "2": 2}', + exc_exec('call jsondecode("{\\"1\\": 1:, \\"2\\": 2}")')) + end) + + it('fails to parse concat of two values', function() + eq('Vim(call):E474: Trailing characters: []', + exc_exec('call jsondecode("{}[]")')) + end) + + it('parses containers', function() + eq({1}, funcs.jsondecode('[1]')) + eq({nil, 1}, funcs.jsondecode('[null, 1]')) + eq({['1']=2}, funcs.jsondecode('{"1": 2}')) + eq({['1']=2, ['3']={{['4']={['5']={{}, 1}}}}}, + funcs.jsondecode('{"1": 2, "3": [{"4": {"5": [[], 1]}}]}')) + end) + + it('fails to parse incomplete strings', function() + eq('Vim(call):E474: Expected string end: \t"', + exc_exec('call jsondecode("\\t\\"")')) + eq('Vim(call):E474: Expected string end: \t"abc', + exc_exec('call jsondecode("\\t\\"abc")')) + eq('Vim(call):E474: Unfinished escape sequence: \t"abc\\', + exc_exec('call jsondecode("\\t\\"abc\\\\")')) + eq('Vim(call):E474: Unfinished unicode escape sequence: \t"abc\\u', + exc_exec('call jsondecode("\\t\\"abc\\\\u")')) + eq('Vim(call):E474: Unfinished unicode escape sequence: \t"abc\\u0', + exc_exec('call jsondecode("\\t\\"abc\\\\u0")')) + eq('Vim(call):E474: Unfinished unicode escape sequence: \t"abc\\u00', + exc_exec('call jsondecode("\\t\\"abc\\\\u00")')) + eq('Vim(call):E474: Unfinished unicode escape sequence: \t"abc\\u000', + exc_exec('call jsondecode("\\t\\"abc\\\\u000")')) + eq('Vim(call):E474: Expected string end: \t"abc\\u0000', + exc_exec('call jsondecode("\\t\\"abc\\\\u0000")')) + end) + + it('fails to parse unknown escape sequnces', function() + eq('Vim(call):E474: Unknown escape sequence: \\a"', + exc_exec('call jsondecode("\\t\\"\\\\a\\"")')) + end) + + it('parses strings properly', function() + eq('\n', funcs.jsondecode('"\\n"')) + eq('', funcs.jsondecode('""')) + eq('\\/"\t\b\n\r\f', funcs.jsondecode([["\\\/\"\t\b\n\r\f"]])) + eq('/a', funcs.jsondecode([["\/a"]])) + end) +end) + describe('jsonencode() function', function() before_each(clear) |