97 lines
4.4 KiB
Go
97 lines
4.4 KiB
Go
// Copyright (c) 2024-2026 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// t_iterator_test.go
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package expr
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import (
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"testing"
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"git.portale-stac.it/go-pkg/expr/kern"
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)
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func TestIteratorParser(t *testing.T) {
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section := "Iterator"
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inputs := []inputType{
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/* 1 */ {`include "test-resources/iterator.expr"; it=$(ds,3); *it`, int64(0), nil},
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/* 2 */ {`include "test-resources/iterator.expr"; it=$(ds,3); it++; it++`, int64(1), nil},
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/* 3 */ {`include "test-resources/iterator.expr"; it=$(ds,3); it++; it++; #it`, int64(3), nil},
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/* 4 */ {`include "test-resources/iterator.expr"; it=$(ds,3); it++; it++; it.reset; *it`, int64(0), nil},
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/* 5 */ {`builtin "math.arith"; include "test-resources/iterator.expr"; it=$(ds,3); add(it)`, int64(6), nil},
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/* 6 */ {`builtin "math.arith"; include "test-resources/iterator.expr"; it=$(ds,3); mul(it)`, int64(0), nil},
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/* 7 */ {`builtin "math.arith"; include "test-resources/file-reader.expr"; it=$(ds,"test-resources/int.list"); mul(it)`, int64(12000), nil},
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/* 8 */ {`include "test-resources/file-reader.expr"; it=$(ds,"test-resources/int.list"); it++; it.index`, int64(0), nil},
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/* 9 */ {`include "test-resources/file-reader.expr"; it=$(ds,"test-resources/int.list"); it.clean`, nil, nil},
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/* 10 */ {`it=$(1,2,3); it++`, int64(1), nil},
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/* 11 */ {`it=$(1,2,3); it++; it.reset; it++`, int64(1), nil},
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/* 12 */ {`it=$([1,2,3,4],1); it++`, int64(2), nil},
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/* 13 */ {`it=$([1,2,3,4],1,3); it++; it++;`, int64(3), nil},
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/* 14 */ {`it=$([1,2,3,4],1,3,2); it++; it++;`, int64(4), nil},
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/* 15 */ {`it=$([1,2,3,4],1,2,2); it++; it++;`, nil, `EOF`},
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/* 16 */ {`include "test-resources/filter.expr"; it=$(ds,10); it++`, int64(2), nil},
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/* 17 */ {`it=$({"next":func(){5}}); it++`, int64(5), nil},
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/* 18 */ {`it=$({"next":func(){5}}); it.clean`, nil, nil},
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/* 19 */ {`it=$({1:"one",2:"two",3:"three"}); it++`, int64(1), nil},
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/* 20 */ {`it=$({1:"one",2:"two",3:"three"}, "default", "value"); it++`, "one", nil},
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/* 21 */ {`it=$({1:"one",2:"two",3:"three"}, "desc", "key"); it++`, int64(3), nil},
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/* 22 */ {`it=$({1:"one",2:"two",3:"three"}, "asc", "item"); it++`, kern.NewList([]any{int64(1), "one"}), nil},
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}
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// runTestSuiteSpec(t, section, inputs, 1)
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runTestSuite(t, section, inputs)
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}
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func TestFilterIterator(t *testing.T) {
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section := "Iterator-Filter"
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inputs := []inputType{
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/* 1 */ {`$$([1,2,3] filter $_%2==0)`, kern.NewList([]any{int64(2)}), nil},
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/* 2 */ {`it = [1,2,3] filter $_%2!=1; $$(it)`, kern.NewList([]any{int64(2)}), nil},
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/* 3 */ {`builtin "os.file"; #$$(fileLineIterator("test-file.txt") filter (#${_} == 2))`, int64(0), nil},
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/* 4 */ {`builtin "os.file"; #$$(fileLineIterator("test-file.txt") filter (#${_} == 3))`, int64(2), nil},
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}
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// runTestSuiteSpec(t, section, inputs, 2)
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runTestSuite(t, section, inputs)
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}
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func TestDigestIterator(t *testing.T) {
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section := "Iterator-Digest"
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inputs := []inputType{
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/* 1 */ {`$(10) digest ${_}`, int64(9), nil},
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/* 2 */ {`$(10,0) digest ${_}`, int64(1), nil},
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/* 3 */ {`$(10,0,-2) digest ${_}`, int64(2), nil},
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}
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// runTestSuiteSpec(t, section, inputs, 2)
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runTestSuite(t, section, inputs)
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}
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func TestCatIterator(t *testing.T) {
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section := "Iterator-Cat"
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inputs := []inputType{
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/* 1 */ {`$$([1] cat [])`, kern.NewList([]any{int64(1)}), nil},
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/* 2 */ {`$$([1] cat [2])`, kern.NewList([]any{int64(1), int64(2)}), nil},
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/* 3 */ {`$$([1] cat nil)`, kern.NewList([]any{int64(1)}), nil},
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/* 4 */ {`$$(nil cat [2])`, kern.NewList([]any{int64(2)}), nil},
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/* 5 */ {`$$(nil cat nil)`, kern.NewList([]any{}), nil},
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/* 6 */ {`$$(["a","b"] cat ["x"-true])`, nil, `[1:23] left operand 'x' [string] and right operand 'true' [bool] are not compatible with operator "-"`},
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}
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// runTestSuiteSpec(t, section, inputs, 6)
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runTestSuite(t, section, inputs)
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}
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func TestMapIterator(t *testing.T) {
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section := "Iterator-Map"
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inputs := []inputType{
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/* 1 */ {`$$([3,4,5] map ${_#})`, kern.NewList([]any{int64(1), int64(2), int64(3)}), nil},
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/* 2 */ {`#$$($(10) map ${_})`, int64(10), nil},
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/* 3 */ {`#$$($(10,0) map ${_})`, int64(10), nil},
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/* 4 */ {`builtin "os.file"; $$(fileLineIterator("test-file.txt") map ${__})`, kern.NewList([]any{int64(0), int64(1)}), nil},
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/* 5 */ {`$$(["1", "2", "3"] map int())`, nil, `int(): too few params -- expected 1, got 0`},
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}
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// runTestSuiteSpec(t, section, inputs, 2)
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runTestSuite(t, section, inputs)
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}
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