85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// expr_test.go
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package expr
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import (
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"strings"
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"testing"
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)
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func TestExpr(t *testing.T) {
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type inputType struct {
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source string
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wantResult any
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wantErr error
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}
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inputs := []inputType{
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/* 1 */ {`0?{}`, nil, nil},
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/* 2 */ {`fact=func(n){(n)?{1}::{n*fact(n-1)}}; fact(5)`, int64(120), nil},
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/* 3 */ {`f=openFile("test-file.txt"); line=readFile(f); closeFile(f); line`, "uno", nil},
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/* 4 */ {`mynot=func(v){int(v)?{true}::{false}}; mynot(0)`, true, nil},
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}
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succeeded := 0
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failed := 0
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inputs1 := []inputType{
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/* 1 */ {`
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ds={
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"init":func(end){@end=end; @current=0 but true},
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"current":func(){current},
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"next":func(){
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((next=current+1) <= end) ? [true] {@current=next but current} :: {nil}
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}
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};
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it=$(ds,3);
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it++;
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it++
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`, int64(1), nil},
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}
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for i, input := range inputs1 {
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var expr Expr
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var gotResult any
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var gotErr error
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ctx := NewSimpleFuncStore()
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// ImportMathFuncs(ctx)
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// ImportImportFunc(ctx)
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ImportOsFuncs(ctx)
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parser := NewParser(ctx)
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logTest(t, i+1, "Expr", input.source, input.wantResult, input.wantErr)
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r := strings.NewReader(input.source)
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scanner := NewScanner(r, DefaultTranslations())
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good := true
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if expr, gotErr = parser.Parse(scanner); gotErr == nil {
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gotResult, gotErr = expr.Eval(ctx)
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}
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if gotResult != input.wantResult {
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t.Errorf("%d: %q -> result = %v [%T], want %v [%T]", i+1, input.source, gotResult, gotResult, input.wantResult, input.wantResult)
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good = false
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}
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if gotErr != input.wantErr {
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if input.wantErr == nil || gotErr == nil || (gotErr.Error() != input.wantErr.Error()) {
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t.Errorf("%d: %q -> err = <%v>, want <%v>", i+1, input.source, gotErr, input.wantErr)
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good = false
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}
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}
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if good {
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succeeded++
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} else {
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failed++
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}
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}
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t.Logf("test count: %d, succeeded count: %d, failed count: %d", len(inputs), succeeded, failed)
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}
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