Files
MealQuest/internal/ai/harness/dedupe_test.go
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dev_agentandClaude Opus 5.5 1e0b1fc75e
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Name normalization and dedupe
Add harness.Normalize (lowercase, fold accents, strip punctuation, drop
filler words, collapse whitespace), harness.Similar (token-set Jaccard
similarity, threshold 0.85) and a Deduper built from the Regulars, Quest
log, pending suggestions and passed names that answers IsDuplicate.

Maestro task: f046ec6c-dbe2-4b12-bc95-3081c07714eb

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-05 08:37:18 -04:00

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package harness
import "testing"
func TestNormalize(t *testing.T) {
tests := []struct {
name, want string
}{
{"Easy Chicken Tikka Masala", "chicken tikka masala"},
{" The BEST homemade\tLasagna ", "lasagna"},
{"A Quick, Simple Classic Chili Recipe", "chili"},
{"Tacos (beef)", "tacos beef"},
{"Mac-and-Cheese!", "mac and cheese"},
{"Shepherd's Pie", "shepherds pie"},
{"Shepherd’s Pie", "shepherds pie"},
{"Crème Brûlée", "creme brulee"},
{"Jalapeño Poppers", "jalapeno poppers"},
{"Paella à la Valenciana", "paella la valenciana"}, // "à" folds to the filler "a"
{"Smørrebrød", "smorrebrod"},
{"Bœuf Bourguignon", "boeuf bourguignon"},
{"Käsespätzle mit Weißwurst", "kasespatzle mit weisswurst"},
{"Cre\u0300me bru\u0302le\u0301e", "creme brulee"}, // decomposed accents
{"İskender Kebab", "iskender kebab"},
{"Pho 24", "pho 24"},
{"Easy Recipe", ""},
{"", ""},
}
for _, tt := range tests {
if got := Normalize(tt.name); got != tt.want {
t.Errorf("Normalize(%q) = %q, want %q", tt.name, got, tt.want)
}
}
}
func TestSimilar(t *testing.T) {
tests := []struct {
a, b string
want bool
}{
{"Easy Chicken Tikka Masala", "chicken tikka masala", true},
{"Beef Tacos", "Tacos (beef)", true},
{"Chicken tacos", "Fish tacos", false},
{"Spaghetti Bolognese", "spaghetti bolognese recipe", true},
{"Crème Brûlée", "creme brulee", true},
{"Jalapeño Poppers", "JALAPENO POPPERS", true},
{"Smørrebrød", "Smorrebrod", true},
{"Chicken Tikka Masala", "Chicken Tikka Masala Curry", false}, // 3/4
{"Tacos", "Fish tacos", false},
{"Pad Thai", "Thai Green Curry", false},
{"Easy Recipe", "The Classic", false}, // nothing left to compare
{"Recipe", "Chili", false},
}
for _, tt := range tests {
if got := Similar(tt.a, tt.b); got != tt.want {
t.Errorf("Similar(%q, %q) = %v, want %v", tt.a, tt.b, got, tt.want)
}
if got := Similar(tt.b, tt.a); got != tt.want {
t.Errorf("Similar(%q, %q) = %v, want %v", tt.b, tt.a, got, tt.want)
}
}
}
func TestDeduper(t *testing.T) {
d := NewDeduper(DedupeSources{
Regulars: []string{"Beef Tacos", "Spaghetti Bolognese"},
QuestLog: []string{"Chicken Tikka Masala"},
Pending: []string{"Crème Brûlée"},
Declined: []string{"Shepherd's Pie"},
})
tests := []struct {
name string
want bool
}{
{"Tacos (beef)", true}, // Regular
{"spaghetti bolognese recipe", true}, // Regular
{"Easy Chicken Tikka Masala", true}, // Quest log
{"creme brulee", true}, // pending suggestion
{"The Best Shepherds Pie", true}, // declined
{"Fish tacos", false}, // shares only "tacos"
{"Chicken Tikka Masala Curry", false}, // below the threshold
{"Jalapeño Poppers", false}, // new
{"Easy Recipe", false}, // nothing left to compare
{"Spaghetti Carbonara", false}, // shares only "spaghetti"
{"Bolognese Spaghetti (Classic)", true}, // word order does not matter
}
for _, tt := range tests {
if got := d.IsDuplicate(tt.name); got != tt.want {
t.Errorf("IsDuplicate(%q) = %v, want %v", tt.name, got, tt.want)
}
}
}
func TestDeduperEmpty(t *testing.T) {
if NewDeduper(DedupeSources{}).IsDuplicate("Beef Tacos") {
t.Error("an empty Deduper reported a duplicate")
}
}