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| 1 | +import { DatabaseSync } from "../src"; |
| 2 | + |
| 3 | +describe("Double-Quoted String Literals Tests", () => { |
| 4 | + describe("enableDoubleQuotedStringLiterals option", () => { |
| 5 | + test("disabled by default - double quotes have quirky behavior", () => { |
| 6 | + const db = new DatabaseSync(":memory:"); |
| 7 | + |
| 8 | + // Create a table with columns |
| 9 | + db.exec("CREATE TABLE test (value TEXT, name TEXT)"); |
| 10 | + |
| 11 | + // This works - "hello" is treated as a string literal since there's no column named hello |
| 12 | + db.exec('INSERT INTO test (value, name) VALUES ("hello", "world")'); |
| 13 | + |
| 14 | + // Verify the data was inserted |
| 15 | + const result1 = db.prepare("SELECT * FROM test").all(); |
| 16 | + expect(result1.length).toBe(1); |
| 17 | + expect(result1[0].value).toBe("hello"); |
| 18 | + expect(result1[0].name).toBe("world"); |
| 19 | + |
| 20 | + // This compares the value column to itself, returning all rows |
| 21 | + const result2 = db |
| 22 | + .prepare('SELECT * FROM test WHERE "value" = "value"') |
| 23 | + .all(); |
| 24 | + expect(result2.length).toBe(1); // All rows match when comparing column to itself |
| 25 | + |
| 26 | + // This also works because SQLite falls back to string literal when column doesn't exist |
| 27 | + db.exec('INSERT INTO test (value, name) VALUES ("test1", "test2")'); |
| 28 | + const result3 = db |
| 29 | + .prepare('SELECT * FROM test WHERE value = "test1"') |
| 30 | + .all(); |
| 31 | + expect(result3.length).toBe(1); |
| 32 | + expect(result3[0].value).toBe("test1"); |
| 33 | + |
| 34 | + db.close(); |
| 35 | + }); |
| 36 | + |
| 37 | + test("enabled via constructor - double quotes can be strings", () => { |
| 38 | + const db = new DatabaseSync(":memory:", { |
| 39 | + enableDoubleQuotedStringLiterals: true, |
| 40 | + }); |
| 41 | + |
| 42 | + // Create a table |
| 43 | + db.exec("CREATE TABLE test (value TEXT)"); |
| 44 | + |
| 45 | + // This should work - double quotes are treated as strings |
| 46 | + db.exec('INSERT INTO test (value) VALUES ("hello")'); |
| 47 | + |
| 48 | + // This should also work - double quotes are strings |
| 49 | + const result = db |
| 50 | + .prepare('SELECT * FROM test WHERE value = "hello"') |
| 51 | + .get(); |
| 52 | + expect(result.value).toBe("hello"); |
| 53 | + |
| 54 | + db.close(); |
| 55 | + }); |
| 56 | + |
| 57 | + test("enabled via open method - double quotes can be strings", () => { |
| 58 | + const db = new DatabaseSync(); |
| 59 | + db.open({ |
| 60 | + location: ":memory:", |
| 61 | + enableDoubleQuotedStringLiterals: true, |
| 62 | + }); |
| 63 | + |
| 64 | + // Create a table |
| 65 | + db.exec("CREATE TABLE test (value TEXT)"); |
| 66 | + |
| 67 | + // This should work - double quotes are treated as strings |
| 68 | + db.exec('INSERT INTO test (value) VALUES ("hello")'); |
| 69 | + |
| 70 | + // Verify the data |
| 71 | + const result = db |
| 72 | + .prepare('SELECT * FROM test WHERE value = "hello"') |
| 73 | + .get(); |
| 74 | + expect(result.value).toBe("hello"); |
| 75 | + |
| 76 | + db.close(); |
| 77 | + }); |
| 78 | + |
| 79 | + test("can still use single quotes for strings when enabled", () => { |
| 80 | + const db = new DatabaseSync(":memory:", { |
| 81 | + enableDoubleQuotedStringLiterals: true, |
| 82 | + }); |
| 83 | + |
| 84 | + db.exec("CREATE TABLE test (value TEXT)"); |
| 85 | + |
| 86 | + // Single quotes should always work for strings |
| 87 | + db.exec("INSERT INTO test (value) VALUES ('world')"); |
| 88 | + |
| 89 | + // Both single and double quotes should work |
| 90 | + const result1 = db |
| 91 | + .prepare("SELECT * FROM test WHERE value = 'world'") |
| 92 | + .get(); |
| 93 | + expect(result1.value).toBe("world"); |
| 94 | + |
| 95 | + const result2 = db |
| 96 | + .prepare('SELECT * FROM test WHERE value = "world"') |
| 97 | + .get(); |
| 98 | + expect(result2.value).toBe("world"); |
| 99 | + |
| 100 | + db.close(); |
| 101 | + }); |
| 102 | + |
| 103 | + test("affects DDL statements when enabled", () => { |
| 104 | + const db = new DatabaseSync(":memory:", { |
| 105 | + enableDoubleQuotedStringLiterals: true, |
| 106 | + }); |
| 107 | + |
| 108 | + // This should work - double quotes in DEFAULT clause are strings |
| 109 | + db.exec('CREATE TABLE test (id INTEGER, name TEXT DEFAULT "unnamed")'); |
| 110 | + |
| 111 | + // Insert a row without specifying name |
| 112 | + db.exec("INSERT INTO test (id) VALUES (1)"); |
| 113 | + |
| 114 | + // Check the default value |
| 115 | + const result = db.prepare("SELECT * FROM test WHERE id = 1").get(); |
| 116 | + expect(result.name).toBe("unnamed"); |
| 117 | + |
| 118 | + db.close(); |
| 119 | + }); |
| 120 | + |
| 121 | + test("backticks can still be used for identifiers", () => { |
| 122 | + const db = new DatabaseSync(":memory:", { |
| 123 | + enableDoubleQuotedStringLiterals: true, |
| 124 | + }); |
| 125 | + |
| 126 | + // Create a table with a reserved word as column name using backticks |
| 127 | + db.exec("CREATE TABLE test (`order` INTEGER, name TEXT)"); |
| 128 | + |
| 129 | + // Insert using backticks for identifier |
| 130 | + db.exec("INSERT INTO test (`order`, name) VALUES (1, 'first')"); |
| 131 | + |
| 132 | + // Query using backticks |
| 133 | + const result = db.prepare("SELECT `order`, name FROM test").get(); |
| 134 | + expect(result.order).toBe(1); |
| 135 | + expect(result.name).toBe("first"); |
| 136 | + |
| 137 | + db.close(); |
| 138 | + }); |
| 139 | + |
| 140 | + test("square brackets can still be used for identifiers", () => { |
| 141 | + const db = new DatabaseSync(":memory:", { |
| 142 | + enableDoubleQuotedStringLiterals: true, |
| 143 | + }); |
| 144 | + |
| 145 | + // Create a table with spaces in column name using square brackets |
| 146 | + db.exec("CREATE TABLE test ([column name] TEXT, value INTEGER)"); |
| 147 | + |
| 148 | + // Insert using square brackets |
| 149 | + db.exec("INSERT INTO test ([column name], value) VALUES ('test', 42)"); |
| 150 | + |
| 151 | + // Query using square brackets |
| 152 | + const result = db.prepare("SELECT [column name], value FROM test").get(); |
| 153 | + expect(result["column name"]).toBe("test"); |
| 154 | + expect(result.value).toBe(42); |
| 155 | + |
| 156 | + db.close(); |
| 157 | + }); |
| 158 | + }); |
| 159 | +}); |
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