expr/funcs_test.go

67 lines
4.0 KiB
Go

// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
// All rights reserved.
// funcs_test.go
package expr
import (
"errors"
"testing"
)
func TestFuncs(t *testing.T) {
inputs := []inputType{
/* 1 */ {`isNil(nil)`, true, nil},
/* 2 */ {`v=nil; isNil(v)`, true, nil},
/* 3 */ {`v=5; isNil(v)`, false, nil},
/* 4 */ {`int(true)`, int64(1), nil},
/* 5 */ {`int(false)`, int64(0), nil},
/* 6 */ {`int(3.1)`, int64(3), nil},
/* 7 */ {`int(3.9)`, int64(3), nil},
/* 8 */ {`int("432")`, int64(432), nil},
/* 9 */ {`int("1.5")`, nil, errors.New(`strconv.Atoi: parsing "1.5": invalid syntax`)},
/* 10 */ {`int("432", 4)`, nil, errors.New(`int() requires exactly one param`)},
/* 11 */ {`int(nil)`, nil, errors.New(`int() can't convert <nil> to int`)},
/* 12 */ {`two=func(){2}; two()`, int64(2), nil},
/* 13 */ {`double=func(x) {2*x}; (double(3))`, int64(6), nil},
/* 14 */ {`double=func(x){2*x}; double(3)`, int64(6), nil},
/* 15 */ {`double=func(x){2*x}; a=5; double(3+a) + 1`, int64(17), nil},
/* 16 */ {`double=func(x){2*x}; a=5; two=func() {2}; (double(3+a) + 1) * two()`, int64(34), nil},
/* 17 */ {`builtin "import"; import("./test-funcs.expr"); (double(3+a) + 1) * two()`, int64(34), nil},
/* 18 */ {`builtin "import"; import("test-funcs.expr"); (double(3+a) + 1) * two()`, int64(34), nil},
/* 19 */ {`@x="hello"; @x`, nil, errors.New(`[1:3] variable references are not allowed in top level expressions: "@x"`)},
/* 20 */ {`f=func(){@x="hello"}; f(); x`, "hello", nil},
/* 21 */ {`f=func(@y){@y=@y+1}; f(2); y`, int64(3), nil},
/* 22 */ {`f=func(@y){g=func(){@x=5}; @y=@y+g()}; f(2); y+x`, nil, errors.New(`undefined variable or function "x"`)},
/* 23 */ {`f=func(@y){g=func(){@x=5}; @z=g(); @y=@y+@z}; f(2); y+z`, int64(12), nil},
/* 24 */ {`f=func(@y){g=func(){@x=5}; g(); @z=x; @y=@y+@z}; f(2); y+z`, int64(12), nil},
/* 25 */ {`f=func(@y){g=func(){@x=5}; g(); @z=x; @x=@y+@z}; f(2); y+x`, int64(9), nil},
/* 26 */ {`builtin "import"; importAll("./test-funcs.expr"); six()`, int64(6), nil},
/* 27 */ {`builtin "import"; import("./sample-export-all.expr"); six()`, int64(6), nil},
/* 28 */ {`builtin "string"; joinStr("-", "one", "two", "three")`, "one-two-three", nil},
/* 29 */ {`builtin "string"; joinStr("-", ["one", "two", "three"])`, "one-two-three", nil},
/* 30 */ {`builtin "string"; ls= ["one", "two", "three"]; joinStr("-", ls)`, "one-two-three", nil},
/* 31 */ {`builtin "string"; ls= ["one", "two", "three"]; joinStr(1, ls)`, nil, errors.New(`joinStr() the "separator" parameter must be a string, got a int64 (1)`)},
/* 32 */ {`builtin "string"; ls= ["one", 2, "three"]; joinStr("-", ls)`, nil, errors.New(`joinStr() expected string, got int64 (2)`)},
/* 33 */ {`builtin "string"; "<"+trimStr(" bye bye ")+">"`, "<bye bye>", nil},
/* 34 */ {`builtin "string"; subStr("0123456789", 1,2)`, "12", nil},
/* 35 */ {`builtin "string"; subStr("0123456789", -3,2)`, "78", nil},
/* 36 */ {`builtin "string"; subStr("0123456789", -3)`, "789", nil},
/* 37 */ {`builtin "string"; subStr("0123456789")`, "0123456789", nil},
/* 38 */ {`builtin "string"; startsWithStr("0123456789", "xyz", "012")`, true, nil},
/* 39 */ {`builtin "string"; startsWithStr("0123456789", "xyz", "0125")`, false, nil},
/* 40 */ {`builtin "string"; startsWithStr("0123456789")`, nil, errors.New(`too few params -- expected 2 or more, got 1`)},
/* 41 */ {`builtin "string"; endsWithStr("0123456789", "xyz", "789")`, true, nil},
/* 42 */ {`builtin "string"; endsWithStr("0123456789", "xyz", "0125")`, false, nil},
/* 43 */ {`builtin "string"; endsWithStr("0123456789")`, nil, errors.New(`too few params -- expected 2 or more, got 1`)},
/* 44 */ {`builtin "string"; splitStr("one-two-three", "-", )`, newListA("one","two","three"), nil},
/* 45 */ {`["a", "b", "c"]`, newListA("a","b","c"), nil},
/* 46 */ {`["a", "b", "c"]`, newList([]any{"a","b","c"}), nil},
}
t.Setenv("EXPR_PATH", ".")
// parserTest(t, "Func", inputs[25:26])
parserTest(t, "Func", inputs)
}