quote_test.go

Documentation: go.starlark.net/syntax

     1  // Copyright 2017 The Bazel Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package syntax
     6  
     7  import (
     8  	"strings"
     9  	"testing"
    10  )
    11  
    12  var quoteTests = []struct {
    13  	q   string // quoted
    14  	s   string // unquoted (actual string)
    15  	std bool   // q is standard form for s
    16  }{
    17  	{`""`, "", true},
    18  	{`''`, "", false},
    19  	{`"hello"`, `hello`, true},
    20  	{`'hello'`, `hello`, false},
    21  	{`"quote\"here"`, `quote"here`, true},
    22  	{`'quote"here'`, `quote"here`, false},
    23  	{`"quote'here"`, `quote'here`, true},
    24  	{`'quote\'here'`, `quote'here`, false},
    25  
    26  	{`"\a\b\f\n\r\t\v\x00\x7f"`, "\a\b\f\n\r\t\v\000\x7F", true},
    27  	{`"\a\b\f\n\r\t\v\x00\x7f"`, "\a\b\f\n\r\t\v\000\x7F", false},
    28  	{`"\a\b\f\n\r\t\v\x00\x7f"`, "\a\b\f\n\r\t\v\000\x7F", false},
    29  	{`"\a\b\f\n\r\t\v\x00\x7f\"'\\\x03"`, "\a\b\f\n\r\t\v\x00\x7F\"'\\\x03", true},
    30  	{`"\a\b\f\n\r\t\v\x00\x7f\"'\\\x03"`, "\a\b\f\n\r\t\v\x00\x7F\"'\\\x03", false},
    31  	{`"\a\b\f\n\r\t\v\x00\x7f\"'\\\x03"`, "\a\b\f\n\r\t\v\x00\x7F\"'\\\x03", false},
    32  	{`"\a\b\f\n\r\t\v\x00\x7f\"\\\x03"`, "\a\b\f\n\r\t\v\x00\x7F\"\\\x03", false},
    33  	{
    34  		`"cat $(SRCS) | grep '\\s*ip_block:' | sed -e 's/\\s*ip_block: \"\\([^ ]*\\)\"/    \x27\\1\x27,/g' >> $@; "`,
    35  		"cat $(SRCS) | grep '\\s*ip_block:' | sed -e 's/\\s*ip_block: \"\\([^ ]*\\)\"/    '\\1',/g' >> $@; ",
    36  		false,
    37  	},
    38  	{
    39  		`"cat $(SRCS) | grep '\\s*ip_block:' | sed -e 's/\\s*ip_block: \"\\([^ ]*\\)\"/    '\\1',/g' >> $@; "`,
    40  		"cat $(SRCS) | grep '\\s*ip_block:' | sed -e 's/\\s*ip_block: \"\\([^ ]*\\)\"/    '\\1',/g' >> $@; ",
    41  		true,
    42  	},
    43  }
    44  
    45  func TestQuote(t *testing.T) {
    46  	for _, tt := range quoteTests {
    47  		if !tt.std {
    48  			continue
    49  		}
    50  		q := Quote(tt.s, false)
    51  		if q != tt.q {
    52  			t.Errorf("quote(%#q) = %s, want %s", tt.s, q, tt.q)
    53  		}
    54  	}
    55  }
    56  
    57  func TestUnquote(t *testing.T) {
    58  	for _, tt := range quoteTests {
    59  		s, triple, _, err := unquote(tt.q)
    60  		wantTriple := strings.HasPrefix(tt.q, `"""`) || strings.HasPrefix(tt.q, `'''`)
    61  		if s != tt.s || triple != wantTriple || err != nil {
    62  			t.Errorf("unquote(%s) = %#q, %v, %v want %#q, %v, nil", tt.q, s, triple, err, tt.s, wantTriple)
    63  		}
    64  	}
    65  }
    66
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