Files
oddmu/diff_test.go
2025-12-06 13:38:46 +01:00

110 lines
3.0 KiB
Go

package main
import (
"net/http"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestDiff(t *testing.T) {
cleanup(t, "testdata/diff")
index.load()
s := `# Bread
The oven breathes
Fills us with the thought of bread
Oh so fresh, so warm.`
r := `# Bread
The oven whispers
Fills us with the thought of bread
Oh so fresh, so warm.`
p := &Page{Name: "testdata/diff/bread", Body: []byte(s)}
p.save()
p.Body = []byte(r)
p.save()
body := assert.HTTPBody(makeHandler(diffHandler, true, http.MethodGet),
"GET", "/diff/testdata/diff/bread", nil)
assert.Contains(t, body, `<del>breathe</del>`)
assert.Contains(t, body, `<ins>whisper</ins>`)
}
func TestDiffPercentEncoded(t *testing.T) {
cleanup(t, "testdata/diff")
index.load()
s := `# Coup de Gras
Playing D&D
We talk about a killing
Mispronouncing words`
r := `# Coup de Grace
Playing D&D
We talk about a killing
Mispronouncing words`
p := &Page{Name: "testdata/diff/coup de grace", Body: []byte(s)}
p.save()
p.Body = []byte(r)
p.save()
body := assert.HTTPBody(makeHandler(diffHandler, true, http.MethodGet),
"GET", "/diff/testdata/diff/coup%20de%20grace", nil)
assert.Contains(t, body, `<del>s</del>`)
assert.Contains(t, body, `<ins>ce</ins>`)
}
func TestDiffBackup(t *testing.T) {
cleanup(t, "testdata/backup")
s := `# Cold Rooms
I shiver at home
the monitor glares and moans
fear or cold, who knows?`
r := `# Cold Rooms
I shiver at home
the monitor glares and moans
I hate the machine!`
u := `# Cold Rooms
I shiver at home
the monitor glares and moans
my grey heart grows cold`
// create s and overwrite it with r
p := &Page{Name: "testdata/backup/cold", Body: []byte(s)}
p.save()
p = &Page{Name: "testdata/backup/cold", Body: []byte(r)}
p.save()
body := string(p.Diff())
// diff from s to r:
assert.Contains(t, body, `<del>fear or cold, who knows?</del>`)
assert.Contains(t, body, `<ins>I hate the machine!</ins>`)
// save u
p = &Page{Name: "testdata/backup/cold", Body: []byte(u)}
p.save()
body = string(p.Diff())
// diff from s to u since r was not 60 min or older and so the backup is kept
assert.Contains(t, body, `<del>fear or cold, who knows?</del>`)
assert.Contains(t, body, `<ins>my grey heart grows cold</ins>`)
// set timestamp 2h in the past
ts := time.Now().Add(-2 * time.Hour)
assert.NoError(t, os.Chtimes("testdata/backup/cold.md~", ts, ts))
assert.NoError(t, os.Chtimes("testdata/backup/cold.md", ts, ts))
// save r
p = &Page{Name: "testdata/backup/cold", Body: []byte(r)}
p.save()
body = string(p.Diff())
// diff from u to r since enough time has passed and the old backup is discarded
assert.Contains(t, body, `<del>my grey heart grows cold</del>`)
assert.Contains(t, body, `<ins>I hate the machine!</ins>`)
// save s
p = &Page{Name: "testdata/backup/cold", Body: []byte(s)}
p.save()
body = string(p.Diff())
// diff from u to s since this is still "the same" editing window
assert.Contains(t, body, `<del>my grey heart grows cold</del>`)
assert.Contains(t, body, `<ins>fear or cold, who knows?</ins>`)
}