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package test
import (
"fmt"
"io"
"os"
"testing"
"git.brandonirizarry.xyz/links/internal/findlinks"
"github.com/google/go-cmp/cmp"
)
type parserFn func(io.Reader) ([]findlinks.Link, error)
func findLinksFile(filename string, parser parserFn) ([]findlinks.Link, error) {
f, err := os.Open(filename)
if err != nil {
panic("can't open test file")
}
defer f.Close()
return parser(f)
}
func TestFindlinks(t *testing.T) {
type test struct {
filename string
links []findlinks.Link
}
tests := []test{
{
"html/ex1.html",
[]findlinks.Link{
{
Href: "/other-page",
Text: "A link to another page",
},
},
},
}
for _, test := range tests {
parsers := []parserFn{findlinks.FindLinks, findlinks.Parse}
for i, p := range parsers {
testName := fmt.Sprintf("Parser %d %s", i+1, test.filename)
t.Run(testName, func(t *testing.T) {
links, err := findLinksFile(test.filename, p)
if err != nil {
t.Error(err)
}
if !cmp.Equal(links, test.links) {
t.Errorf("got %v, want %v", links, test.links)
}
})
}
}
}
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