enable_fts(), populate_fts() and search() methods

tests/test_enable_fts.py

@@ -0,0 +1,37 @@
+from .fixtures import fresh_db
+import pytest
+
+search_records = [
+    {"text": "tanuki are tricksters", "country": "Japan", "not_searchable": "foo"},
+    {"text": "racoons are trash pandas", "country": "USA", "not_searchable": "bar"},
+]
+
+
+def test_enable_fts(fresh_db):
+    table = fresh_db["searchable"]
+    table.insert_all(search_records)
+    assert ["searchable"] == fresh_db.tables
+    table.enable_fts(["text", "country"])
+    assert [
+        "searchable",
+        "searchable_fts",
+        "searchable_fts_segments",
+        "searchable_fts_segdir",
+        "searchable_fts_docsize",
+        "searchable_fts_stat",
+    ] == fresh_db.tables
+    assert [("tanuki are tricksters", "Japan", "foo")] == table.search("tanuki")
+    assert [("racoons are trash pandas", "USA", "bar")] == table.search("usa")
+    assert [] == table.search("bar")
+
+
+def test_populate_fts(fresh_db):
+    table = fresh_db["populatable"]
+    table.insert(search_records[0])
+    table.enable_fts(["text", "country"])
+    assert [] == table.search("trash pandas")
+    table.insert(search_records[1])
+    assert [] == table.search("trash pandas")
+    # Now run populate_fts to make this record available
+    table.populate_fts(["text", "country"])
+    assert [("racoons are trash pandas", "USA", "bar")] == table.search("usa")