Feature 12: Regular dinners and onboarding (#94)

Co-authored-by: dev_agent <dev_agent@cubecraftlabs.com>

internal/ai/harness/dedupe_test.go

@@ -1,10 +1,70 @@
 package harness
 
 import (
+	"encoding/json"
+	"os"
 	"testing"
 	"unicode"
+	"unicode/utf8"
 )
 
+// TestSharedDedupeCases runs testdata/dedupe_cases.json, which the PWA's
+// copy of Normalize and Similar (web/src/dinners/names.ts) runs too, so the
+// two cannot drift apart on these names.
+func TestSharedDedupeCases(t *testing.T) {
+	raw, err := os.ReadFile("testdata/dedupe_cases.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var cases struct {
+		Normalize []struct{ Name, Want string }
+		Similar   []struct {
+			A, B string
+			Want bool
+		}
+	}
+	if err := json.Unmarshal(raw, &cases); err != nil {
+		t.Fatal(err)
+	}
+	if len(cases.Normalize) == 0 || len(cases.Similar) == 0 {
+		t.Fatal("dedupe_cases.json has no cases")
+	}
+	for _, c := range cases.Normalize {
+		if got := Normalize(c.Name); got != c.Want {
+			t.Errorf("Normalize(%q) = %q, want %q", c.Name, got, c.Want)
+		}
+	}
+	for _, c := range cases.Similar {
+		if got := Similar(c.A, c.B); got != c.Want {
+			t.Errorf("Similar(%q, %q) = %v, want %v", c.A, c.B, got, c.Want)
+		}
+	}
+}
+
+// TestLetterFoldsMatchPWA checks that the PWA's letter-fold table, which
+// gen_folds.py writes beside folds_table.go, is letterFolds exactly; run
+// go generate when it fails.
+func TestLetterFoldsMatchPWA(t *testing.T) {
+	raw, err := os.ReadFile("../../../web/src/dinners/letterFolds.json")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var pwa map[string]string
+	if err := json.Unmarshal(raw, &pwa); err != nil {
+		t.Fatal(err)
+	}
+	for r, want := range letterFolds {
+		if got, ok := pwa[string(r)]; !ok || got != want {
+			t.Errorf("PWA folds %U to %q (present %v), want %q", r, got, ok, want)
+		}
+	}
+	for k := range pwa {
+		if utf8.RuneCountInString(k) != 1 || letterFolds[[]rune(k)[0]] == "" {
+			t.Errorf("PWA folds %q, which letterFolds does not", k)
+		}
+	}
+}
+
 func TestNormalize(t *testing.T) {
 	tests := []struct {
 		name, want string

internal/ai/harness/gen_folds.py

@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
-"""Generate folds_table.go, the letter-fold table used by harness.Normalize.
+"""Generate folds_table.go, the letter-fold table used by harness.Normalize,
+and its copy web/src/dinners/letterFolds.json, used by the PWA's
+normalizeName (web/src/dinners/names.ts). TestLetterFoldsMatchPWA fails when
+the two differ.
 
 Run from this directory with `go generate ./internal/ai/harness` (or
 `python3 gen_folds.py`; gofmt must be on PATH). It uses only the Python
@@ -28,11 +31,14 @@ Hangul syllables are left out: their decomposition is into conjoining jamo,
 not combining marks.
 """
 
+import json
 import re
 import subprocess
 import sys
 import unicodedata
 
+PWA_TABLE = "../../../web/src/dinners/letterFolds.json"
+
 EXTRA = {
     "ß": "ss", "ẞ": "ss", "æ": "ae", "Æ": "ae", "œ": "oe", "Œ": "oe",
     "þ": "th", "Þ": "th", "ð": "d", "Ð": "d", "ı": "i", "ʼn": "n",
@@ -110,6 +116,9 @@ def main():
     with open("folds_table.go", "w", encoding="utf-8") as f:
         f.write("\n".join(out) + "\n")
     subprocess.run(["gofmt", "-w", "folds_table.go"], check=True)
+    with open(PWA_TABLE, "w", encoding="ascii") as f:
+        json.dump({chr(cp): folded for cp, folded in entries}, f, indent=2)
+        f.write("\n")
 
 
 if __name__ == "__main__":

internal/ai/harness/testdata/dedupe_cases.json

@@ -0,0 +1,136 @@
+{
+  "normalize": [
+    {
+      "name": "Easy Chicken Tikka-Masala!",
+      "want": "chicken tikka masala"
+    },
+    {
+      "name": "  Homemade   Chili ",
+      "want": "chili"
+    },
+    {
+      "name": "Grandma's Stew",
+      "want": "grandmas stew"
+    },
+    {
+      "name": "Grandma’s Stew",
+      "want": "grandmas stew"
+    },
+    {
+      "name": "İskender Kebab",
+      "want": "iskender kebab"
+    },
+    {
+      "name": "Paella à la Valenciana",
+      "want": "paella la valenciana"
+    },
+    {
+      "name": "Crème Brûlée",
+      "want": "creme brulee"
+    },
+    {
+      "name": "Crème Brûlée",
+      "want": "creme brulee"
+    },
+    {
+      "name": "Smørrebrød",
+      "want": "smorrebrod"
+    },
+    {
+      "name": "Pierogi z Łososiem",
+      "want": "pierogi z lososiem"
+    },
+    {
+      "name": "Straße Würstchen",
+      "want": "strasse wurstchen"
+    },
+    {
+      "name": "Œufs en Cocotte",
+      "want": "oeufs en cocotte"
+    },
+    {
+      "name": "Æbleskiver",
+      "want": "aebleskiver"
+    },
+    {
+      "name": "Phở Bò",
+      "want": "pho bo"
+    },
+    {
+      "name": "The Best Quick Recipe",
+      "want": ""
+    },
+    {
+      "name": "Chicken stir-fry",
+      "want": "chicken stir fry"
+    },
+    {
+      "name": "7-layer dip",
+      "want": "7 layer dip"
+    },
+    {
+      "name": "Ƈhili",
+      "want": "chili"
+    },
+    {
+      "name": "Ꞔarbanzo Stew",
+      "want": "carbanzo stew"
+    },
+    {
+      "name": "ΜΟΥΣΑΚΑΣ",
+      "want": "μουσακασ"
+    }
+  ],
+  "similar": [
+    {
+      "a": "Homemade chili",
+      "b": "Chili",
+      "want": true
+    },
+    {
+      "a": "Easy Spaghetti Bolognese",
+      "b": "spaghetti bolognese",
+      "want": true
+    },
+    {
+      "a": "Chicken stir fry",
+      "b": "Chicken stir-fry",
+      "want": true
+    },
+    {
+      "a": "Crème brûlée",
+      "b": "Creme brulee",
+      "want": true
+    },
+    {
+      "a": "Smørrebrød",
+      "b": "smorrebrod",
+      "want": true
+    },
+    {
+      "a": "Beef tacos",
+      "b": "Fish tacos",
+      "want": false
+    },
+    {
+      "a": "Chili",
+      "b": "White chicken chili",
+      "want": false
+    },
+    {
+      "a": "Pot roast",
+      "b": "Roast",
+      "want": false
+    },
+    {
+      "a": "The best",
+      "b": "Easy recipe",
+      "want": false
+    },
+    {
+      "a": "Ƈhili",
+      "b": "Chili",
+      "want": true
+    }
+  ]
+}