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|
package parser
import (
"bytes"
"reflect"
"testing"
)
func TestScannerTagNameWithDotAndEqual(t *testing.T) {
testScannerSuccess(t, "{%foo.bar.34 baz aaa%} awer{% aa= %}",
[]tt{
{ID: tagName, Value: "foo.bar.34"},
{ID: tagContents, Value: "baz aaa"},
{ID: text, Value: " awer"},
{ID: tagName, Value: "aa="},
{ID: tagContents, Value: ""},
})
}
func TestScannerEndTagWithMinus(t *testing.T) {
testScannerSuccess(t, "{%foo baz aaa-%} awer{% aa= -%}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "baz aaa"},
{ID: text, Value: "awer"},
{ID: tagName, Value: "aa="},
{ID: tagContents, Value: ""},
})
testScannerSuccess(t, "{%foo baz aaa- %} awer{% aa= -% %}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "baz aaa-"},
{ID: text, Value: " awer"},
{ID: tagName, Value: "aa="},
{ID: tagContents, Value: "-%"},
})
testScannerSuccess(t, "{%foo -%} \t\r\r\n\n\tawer{%aa= - %} \nbb",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: ""},
{ID: text, Value: "\n\tawer"},
{ID: tagName, Value: "aa="},
{ID: tagContents, Value: "-"},
{ID: text, Value: " \nbb"},
})
testScannerSuccess(t, "{%foo-%}\n awer{%bar -%}\n",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: ""},
{ID: text, Value: " awer"},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: ""},
})
testScannerSuccess(t, "{%foo-%}{%bar%} \n {%baz%}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: ""},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: ""},
{ID: text, Value: " \n "},
{ID: tagName, Value: "baz"},
{ID: tagContents, Value: ""},
})
}
func TestScannerBeginTagWithMinus(t *testing.T) {
testScannerSuccess(t, "x\n {%-foo%} {%- bar%}",
[]tt{
{ID: text, Value: "x\n"},
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: ""},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: ""},
})
testScannerSuccess(t, "{%- foo%}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: ""},
})
testScannerSuccess(t, "{%-foo baz aaa%} awer\n\t {%-aa= %}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "baz aaa"},
{ID: text, Value: " awer\n"},
{ID: tagName, Value: "aa="},
{ID: tagContents, Value: ""},
})
testScannerSuccess(t, "{%-foo baz aaa%} awer {- % aa= %}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "baz aaa"},
{ID: text, Value: " awer {- % aa= %}"},
})
testScannerSuccess(t, "\n\n {%- foo baz aaa -%} awer {-{%- aa= xxx%}",
[]tt{
{ID: text, Value: "\n\n"},
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "baz aaa"},
{ID: text, Value: "awer {-"},
{ID: tagName, Value: "aa="},
{ID: tagContents, Value: "xxx"},
})
testScannerSuccess(t, "{%-foo%}{%bar%} \n {%-baz%}",
[]tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: ""},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: ""},
{ID: text, Value: " \n"},
{ID: tagName, Value: "baz"},
{ID: tagContents, Value: ""},
})
}
func TestScannerStripspaceSuccess(t *testing.T) {
testScannerSuccess(t, " aa\n\t {%stripspace%} \t\n f\too \n b ar \n\r\t {% bar baz asd %}\n\nbaz \n\t \taaa \n{%endstripspace%} bb ", []tt{
{ID: text, Value: " aa\n\t "},
{ID: text, Value: "f\toob ar"},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: "baz asd"},
{ID: text, Value: "bazaaa"},
{ID: text, Value: " bb "},
})
testScannerSuccess(t, "{%stripspace %}{% stripspace fobar %} {%space%} a\taa\n\r\t bb b {%endstripspace %} {%endstripspace baz%}", []tt{
{ID: text, Value: " "},
{ID: text, Value: "a\taabb b"},
})
// sripspace wins over collapsespace
testScannerSuccess(t, "{%stripspace%} {%collapsespace%}foo\n\t bar{%endcollapsespace%} \r\n\t {%endstripspace%}", []tt{
{ID: text, Value: "foobar"},
})
}
func TestScannerStripspaceFailure(t *testing.T) {
// incomplete stripspace tag
testScannerFailure(t, "{%stripspace ")
// incomplete endstripspace tag
testScannerFailure(t, "{%stripspace%}aaa{%endstripspace")
// missing endstripspace
testScannerFailure(t, "{%stripspace%} foobar")
// missing stripspace
testScannerFailure(t, "aaa{%endstripspace%}")
// missing the second endstripspace
testScannerFailure(t, "{%stripspace%}{%stripspace%}aaaa{%endstripspace%}")
}
func TestScannerCollapsespaceSuccess(t *testing.T) {
testScannerSuccess(t, " aa\n\t {%collapsespace%} \t\n foo \n bar{% bar baz asd %}\n\nbaz \n \n{%endcollapsespace%} bb ", []tt{
{ID: text, Value: " aa\n\t "},
{ID: text, Value: " foo bar"},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: "baz asd"},
{ID: text, Value: " baz "},
{ID: text, Value: " bb "},
})
testScannerSuccess(t, "{%collapsespace %}{% collapsespace fobar %} {%space%} aaa\n\r\t bbb {%endcollapsespace %} {%endcollapsespace baz%}", []tt{
{ID: text, Value: " "},
{ID: text, Value: " "},
{ID: text, Value: " aaa bbb "},
{ID: text, Value: " "},
})
}
func TestScannerCollapsespaceFailure(t *testing.T) {
// incomplete collapsespace tag
testScannerFailure(t, "{%collapsespace ")
// incomplete endcollapsespace tag
testScannerFailure(t, "{%collapsespace%}aaa{%endcollapsespace")
// missing endcollapsespace
testScannerFailure(t, "{%collapsespace%} foobar")
// missing collapsespace
testScannerFailure(t, "aaa{%endcollapsespace%}")
// missing the second endcollapsespace
testScannerFailure(t, "{%collapsespace%}{%collapsespace%}aaaa{%endcollapsespace%}")
}
func TestScannerPlainSuccess(t *testing.T) {
testScannerSuccess(t, "{%plain%}{%endplain%}", nil)
testScannerSuccess(t, "{%plain%}{%foo bar%}asdf{%endplain%}", []tt{
{ID: text, Value: "{%foo bar%}asdf"},
})
testScannerSuccess(t, "{%plain%}{%foo{%endplain%}", []tt{
{ID: text, Value: "{%foo"},
})
testScannerSuccess(t, "aa{%plain%}bbb{%cc%}{%endplain%}{%plain%}dsff{%endplain%}", []tt{
{ID: text, Value: "aa"},
{ID: text, Value: "bbb{%cc%}"},
{ID: text, Value: "dsff"},
})
testScannerSuccess(t, "mmm{%plain%}aa{% bar {%%% }baz{%endplain%}nnn", []tt{
{ID: text, Value: "mmm"},
{ID: text, Value: "aa{% bar {%%% }baz"},
{ID: text, Value: "nnn"},
})
testScannerSuccess(t, "{% plain dsd %}0{%comment%}123{%endcomment%}45{% endplain aaa %}", []tt{
{ID: text, Value: "0{%comment%}123{%endcomment%}45"},
})
}
func TestScannerPlainFailure(t *testing.T) {
testScannerFailure(t, "{%plain%}sdfds")
testScannerFailure(t, "{%plain%}aaaa%{%endplain")
testScannerFailure(t, "{%plain%}{%endplain%")
}
func TestScannerCommentSuccess(t *testing.T) {
testScannerSuccess(t, "{%comment%}{%endcomment%}", nil)
testScannerSuccess(t, "{%comment%}foo{%endcomment%}", nil)
testScannerSuccess(t, "{%comment%}foo{%endcomment%}{%comment%}sss{%endcomment%}", nil)
testScannerSuccess(t, "{%comment%}foo{%bar%}{%endcomment%}", nil)
testScannerSuccess(t, "{%comment%}foo{%bar {%endcomment%}", nil)
testScannerSuccess(t, "{%comment%}foo{%bar&^{%endcomment%}", nil)
testScannerSuccess(t, "{%comment%}foo{% bar\n\rs%{%endcomment%}", nil)
testScannerSuccess(t, "xx{%x%}www{% comment aux data %}aaa{% comment %}{% endcomment %}yy", []tt{
{ID: text, Value: "xx"},
{ID: tagName, Value: "x"},
{ID: tagContents, Value: ""},
{ID: text, Value: "www"},
{ID: text, Value: "yy"},
})
}
func TestScannerCommentFailure(t *testing.T) {
testScannerFailure(t, "{%comment%}...no endcomment")
testScannerFailure(t, "{% comment %}foobar{% endcomment")
}
func TestScannerSuccess(t *testing.T) {
testScannerSuccess(t, "", nil)
testScannerSuccess(t, "a%}{foo}bar", []tt{
{ID: text, Value: "a%}{foo}bar"},
})
testScannerSuccess(t, "{% foo bar baz(a, b, 123) %}", []tt{
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "bar baz(a, b, 123)"},
})
testScannerSuccess(t, "foo{%bar%}baz", []tt{
{ID: text, Value: "foo"},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: ""},
{ID: text, Value: "baz"},
})
testScannerSuccess(t, "{{{%\n\r\tfoo bar\n\rbaz%%\n \r %}}", []tt{
{ID: text, Value: "{{"},
{ID: tagName, Value: "foo"},
{ID: tagContents, Value: "bar\n\rbaz%%"},
{ID: text, Value: "}"},
})
testScannerSuccess(t, "{%%}", []tt{
{ID: tagName, Value: ""},
{ID: tagContents, Value: ""},
})
testScannerSuccess(t, "{%%aaa bb%}", []tt{
{ID: tagName, Value: ""},
{ID: tagContents, Value: "%aaa bb"},
})
testScannerSuccess(t, "foo{% bar %}{% baz aa (123)%}321", []tt{
{ID: text, Value: "foo"},
{ID: tagName, Value: "bar"},
{ID: tagContents, Value: ""},
{ID: tagName, Value: "baz"},
{ID: tagContents, Value: "aa (123)"},
{ID: text, Value: "321"},
})
}
func TestScannerFailure(t *testing.T) {
testScannerFailure(t, "a{%")
testScannerFailure(t, "a{%foo")
testScannerFailure(t, "a{%% }foo")
testScannerFailure(t, "a{% foo %")
testScannerFailure(t, "b{% fo() %}bar")
testScannerFailure(t, "aa{% foo bar")
testScannerFailure(t, "a{%-")
testScannerFailure(t, "a{%-foo")
testScannerFailure(t, "a{%-% }foo")
testScannerFailure(t, "a{%- foo %")
testScannerFailure(t, "b{%- fo() %}bar")
testScannerFailure(t, "aa{%- foo bar")
}
func testScannerFailure(t *testing.T, str string) {
r := bytes.NewBufferString(str)
s := newScanner(r, "memory")
var tokens []tt
for s.Next() {
tokens = append(tokens, tt{
ID: s.Token().ID,
Value: string(s.Token().Value),
})
}
if err := s.LastError(); err == nil {
t.Fatalf("expecting error when scanning %q. got tokens %v", str, tokens)
}
}
func testScannerSuccess(t *testing.T, str string, expectedTokens []tt) {
r := bytes.NewBufferString(str)
s := newScanner(r, "memory")
var tokens []tt
for s.Next() {
tokens = append(tokens, tt{
ID: s.Token().ID,
Value: string(s.Token().Value),
})
}
if err := s.LastError(); err != nil {
t.Fatalf("unexpected error: %s. str=%q", err, str)
}
if !reflect.DeepEqual(tokens, expectedTokens) {
t.Fatalf("unexpected tokens %v. Expecting %v. str=%q", tokens, expectedTokens, str)
}
}
type tt struct {
ID int
Value string
}
|
