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graphquery_test.go
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package graphquery
import (
"log"
"reflect"
"strings"
"testing"
"github.com/storyicon/graphquery/kernel"
)
func TestParseFromString(t *testing.T) {
type args struct {
document string
expr string
}
tests := []struct {
name string
args args
wantResponse string
}{
{
name: "test0",
args: args{
document: `
<html><body>
<div class="item">
<div class="title">title A</div>
<div class="author">author A</div>
</div>
<div class="item">
<div class="title">title B</div>
<div class="author">author B</div>
</div>
<div class="item">
<div class="title">title C</div>
<div class="author">author C</div>
</div>
</body></html>
`,
expr: strings.Join([]string{
"item `css(\".item\")` [",
" {",
" title `css(\".title\")`",
" author `css(\".author\")`",
" }",
"]",
}, "\r\n"),
},
wantResponse: `{"data":[{"author":"author A","title":"title A"},{"author":"author B","title":"title B"},{"author":"author C","title":"title C"}],"errors":null}`,
},
{
name: "test1",
args: args{
document: `
<html><body>
<div class="title">Article</div>
</body></html>
`,
expr: strings.Join([]string{
"title `css(\".title\")`",
}, "\r\n"),
},
wantResponse: `{"data":"Article","errors":null}`,
},
{
name: "test2",
args: args{
document: `
<html><body>
<div class="title">Article</div>
<div class="tags">
<div class="tag">tag0</div>
<div class="tag">tag1</div>
<div class="tag">tag2</div>
</div>
</body></html>
`,
expr: strings.Join([]string{
"{",
" title `css(\".title\")`",
" tags `css(\".tag\")` [",
" tag `text()`",
" ]",
"}",
}, "\r\n"),
},
wantResponse: `{"data":{"tags":["tag0","tag1","tag2"],"title":"Article"},"errors":null}`,
},
{
name: "test3",
args: args{
document: `
<html><body>
<div class="items">
<div class="item">
<div class="pos">1.0</div>
<div class="pos">1.1</div>
<div class="pos">1.2</div>
</div>
<div class="item">
<div class="pos">2.0</div>
<div class="pos">2.1</div>
<div class="pos">2.2</div>
</div>
<div class="item">
<div class="pos">3.0</div>
<div class="pos">3.1</div>
<div class="pos">3.2</div>
</div>
</div>
</body></html>
`,
expr: strings.Join([]string{
"items `css(\".item\")` [",
" item `css(\".pos\")` [",
" pos `text()`",
" ]",
"]",
}, "\r\n"),
},
wantResponse: `{"data":[["1.0","1.1","1.2"],["2.0","2.1","2.2"],["3.0","3.1","3.2"]],"errors":null}`,
},
{
name: "test4",
args: args{
document: `
<html><body>
<div class="items">
<div class="item">
<div class="pos">1.0</div>
<div class="pos">1.1</div>
<div class="pos">1.2</div>
</div>
<div class="item">
<div class="pos">2.0</div>
<div class="pos">2.1</div>
<div class="pos">2.2</div>
</div>
<div class="item">
<div class="pos">3.0</div>
<div class="pos">3.1</div>
<div class="pos">3.2</div>
</div>
</div>
</body></html>
`,
expr: strings.Join([]string{
"item `css(\".pos\")` [",
" pos `text()`",
"]",
}, "\r\n"),
},
wantResponse: `{"data":["1.0","1.1","1.2","2.0","2.1","2.2","3.0","3.1","3.2"],"errors":null}`,
},
{
name: "test5",
args: args{
document: `
<html>
<body>
<a href="01.html">Page 1</a>
<a href="02.html">Page 2</a>
<a href="03.html">Page 3</a>
</body>
</html>
`,
expr: strings.Join([]string{
"{",
" anchor `css(\"a\")` [",
" content `text()`",
" ]",
"}",
}, "\r\n"),
},
wantResponse: `{"data":{"anchor":["Page 1","Page 2","Page 3"]},"errors":null}`,
},
{
name: "test6",
args: args{
document: `
<html>
<body>
<a href="01.html">Page 1</a>
<a href="02.html">Page 2</a>
<a href="03.html">Page 3</a>
</body>
</html>
`,
expr: strings.Join([]string{
"{",
" anchor `css(\"a\")` [",
" {",
" title `text()`",
" }",
" ]",
"}",
}, "\r\n"),
},
wantResponse: `{"data":{"anchor":[{"title":"Page 1"},{"title":"Page 2"},{"title":"Page 3"}]},"errors":null}`,
},
{
name: "test7",
args: args{
document: `
<html>
<body>
<a href="01.html">Page 1</a>
<a href="02.html">Page 2</a>
<a href="03.html">Page 3</a>
</body>
</html>
`,
expr: strings.Join([]string{
"anchor `css(\"a\")` [{title `text()`; url `attr(\"href\")`;}]",
}, "\r\n"),
},
wantResponse: `{"data":[{"title":"Page 1","url":"01.html"},{"title":"Page 2","url":"02.html"},{"title":"Page 3","url":"03.html"}],"errors":null}`,
},
}
log.SetFlags(log.LstdFlags | log.Lshortfile)
for _, tt := range tests {
if gotResponse := ParseFromString(tt.args.document, tt.args.expr); !reflect.DeepEqual(gotResponse.String(), tt.wantResponse) {
t.Errorf("%q. ParseFromString() = %v, want %v", tt.name, gotResponse.String(), tt.wantResponse)
}
}
}
func TestCompile(t *testing.T) {
type args struct {
expr []byte
}
tests := []struct {
name string
args args
want kernel.Graph
wantErr string
}{
{
args: args{
expr: []byte("[{ title `text();trim()` url `attr(\"href\")` }]"),
},
wantErr: "ReadNode: Unexpected character \"[\", error found in #1 byte of ...|[{ title `t|..., bigger context ...|[{ title `text();trim()` url `attr(\"href\")` }]|... ",
},
}
for _, tt := range tests {
_, err := Compile(tt.args.expr)
if err.Error() != tt.wantErr {
t.Errorf("%q. Compile() error = %v, wantErr %v", tt.name, err, tt.wantErr)
continue
}
}
}
func TestMustCompile(t *testing.T) {
type args struct {
expr []byte
}
tests := []struct {
name string
args args
want *kernel.Graph
}{
{
args: args{
expr: []byte("a `css(\"a\")` [{ title `text();trim()` url `attr(\"href\")` }]` }]"),
},
want: MustCompile([]byte("a `css(\"a\")` [{ title `text();trim()` url `attr(\"href\")` }]` }]")),
},
}
for _, tt := range tests {
if got := MustCompile(tt.args.expr); !reflect.DeepEqual(got, tt.want) {
t.Errorf("%q. MustCompile() = %v, want %v", tt.name, got, tt.want)
}
}
}
func TestParseFromBytes(t *testing.T) {
type args struct {
document string
expr []byte
}
tests := []struct {
name string
args args
wantResponse string
}{
{
name: "test0",
args: args{
document: `<a href="1.html">anchor 1</a> <a href="2.html">anchor 2</a> <a href="3.html">anchor 3</a>`,
expr: []byte("a `css(\"a\")` [{ title `text();trim()` url `attr(\"href\")` }]` }]"),
},
wantResponse: `{"data":[{"title":"anchor 1","url":"1.html"},{"title":"anchor 2","url":"2.html"},{"title":"anchor 3","url":"3.html"}],"errors":null}`,
},
}
for _, tt := range tests {
if gotResponse := ParseFromBytes(tt.args.document, tt.args.expr); !reflect.DeepEqual(gotResponse.JSON(), tt.wantResponse) {
t.Errorf("%q. ParseFromBytes() = %v, want %v", tt.name, gotResponse.JSON(), tt.wantResponse)
}
}
}