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selector_test.go
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package selector
import (
"testing"
"github.com/google/go-cmp/cmp"
)
func TestSelectContent(t *testing.T) {
type test struct {
name string
content string
selector string
want string
}
testCases := []test{
{
name: "basic",
content: `
<html><body>boilerplate<div class="post-content">This is the actual stuff</div></html>
`,
selector: "div.post-content",
want: "This is the actual stuff",
},
{
name: "missing",
content: `
<html><body>boilerplate<div>This is the actual stuff</div></html>
`,
selector: "div.post-content",
want: "",
},
{
name: "with-markup",
content: `
<html><body>boilerplate<div class="post-content">This is the <i>actual</i> stuff</div></html>
`,
selector: "div.post-content",
want: "This is the <i>actual</i> stuff",
},
{
name: "with-link",
content: `
<html><body>boilerplate<div class="post-content">This is the <a href="example.com">actual</a> stuff</div></html>
`,
selector: "div.post-content",
want: "This is the actual stuff",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
got, err := selectContent(tc.content, tc.selector)
if err != nil {
t.Fatalf("SelectContent(%s) had unexpected error: %v", tc.name, err)
}
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Errorf("SelectContent(%s) had unexpected diff (-want +got): %s", tc.name, diff)
}
})
}
}