[REF] owl: reorganize src code in sub files

tests/qweb/qweb_expressions.test.ts

@@ -0,0 +1,158 @@
+import { compileExpr, tokenize } from "../../src/qweb/expression_parser";
+
+describe("tokenizer", () => {
+  test("simple tokens", () => {
+    expect(tokenize("1.3")).toEqual([{ type: "VALUE", value: "1.3" }]);
+
+    expect(tokenize("{}")).toEqual([
+      { type: "LEFT_BRACE", value: "{" },
+      { type: "RIGHT_BRACE", value: "}" }
+    ]);
+    expect(tokenize("{ }}")).toEqual([
+      { type: "LEFT_BRACE", value: "{" },
+      { type: "RIGHT_BRACE", value: "}" },
+      { type: "RIGHT_BRACE", value: "}" }
+    ]);
+    expect(tokenize("a")).toEqual([{ type: "SYMBOL", value: "a" }]);
+    expect(tokenize("true")).toEqual([{ type: "SYMBOL", value: "true" }]);
+    expect(tokenize("abcde")).toEqual([{ type: "SYMBOL", value: "abcde" }]);
+    expect(tokenize("_ab2")).toEqual([{ type: "SYMBOL", value: "_ab2" }]);
+    expect(tokenize("$ab2")).toEqual([{ type: "SYMBOL", value: "$ab2" }]);
+    expect(tokenize("ABC")).toEqual([{ type: "SYMBOL", value: "ABC" }]);
+
+    expect(tokenize("{a: 2}")).toEqual([
+      { type: "LEFT_BRACE", value: "{" },
+      { type: "SYMBOL", value: "a" },
+      { type: "COLON", value: ":" },
+      { type: "VALUE", value: "2" },
+      { type: "RIGHT_BRACE", value: "}" }
+    ]);
+    expect(tokenize("a,")).toEqual([{ type: "SYMBOL", value: "a" }, { type: "COMMA", value: "," }]);
+    expect(tokenize("][")).toEqual([
+      { type: "RIGHT_BRACKET", value: "]" },
+      { type: "LEFT_BRACKET", value: "[" }
+    ]);
+  });
+
+  test("various operators", () => {
+    expect(tokenize(">= <= < > !== !=")).toEqual([
+      { type: "OPERATOR", value: ">=" },
+      { type: "OPERATOR", value: "<=" },
+      { type: "OPERATOR", value: "<" },
+      { type: "OPERATOR", value: ">" },
+      { type: "OPERATOR", value: "!==" },
+      { type: "OPERATOR", value: "!=" }
+    ]);
+  });
+
+  test("strings", () => {
+    expect(() => tokenize("'")).toThrow("Invalid expression");
+    expect(() => tokenize("'\\")).toThrow("Invalid expression");
+    expect(() => tokenize("'\\'")).toThrow("Invalid expression");
+    expect(tokenize("'hello ged'")).toEqual([{ type: "VALUE", value: "'hello ged'" }]);
+    expect(tokenize("'hello \\'ged\\''")).toEqual([{ type: "VALUE", value: "'hello \\'ged\\''" }]);
+
+    expect(() => tokenize('"')).toThrow("Invalid expression");
+    expect(() => tokenize('"\\"')).toThrow("Invalid expression");
+    expect(tokenize('"hello ged"')).toEqual([{ type: "VALUE", value: '"hello ged"' }]);
+    expect(tokenize('"hello ged"}')).toEqual([
+      { type: "VALUE", value: '"hello ged"' },
+      { type: "RIGHT_BRACE", value: "}" }
+    ]);
+    expect(tokenize('"hello \\"ged\\""')).toEqual([{ type: "VALUE", value: '"hello \\"ged\\""' }]);
+  });
+});
+
+describe("expression evaluation", () => {
+  test("simple static values", () => {
+    expect(compileExpr("1", {})).toBe("1");
+    expect(compileExpr("1 ", {})).toBe("1");
+    expect(compileExpr("'some string#/, {' ", {})).toBe("'some string#/, {'");
+    expect(compileExpr("{ } ", {})).toBe("{}");
+    expect(compileExpr("{a: 1} ", {})).toBe("{a:1}");
+    expect(compileExpr("{a: 1, b: 2   } ", {})).toBe("{a:1,b:2}");
+    expect(compileExpr("[] ", {})).toBe("[]");
+    expect(compileExpr("[1] ", {})).toBe("[1]");
+    expect(compileExpr("['1', '2'] ", {})).toBe("['1','2']");
+    expect(compileExpr("['1', \"2\"] ", {})).toBe("['1',\"2\"]");
+  });
+
+  test("various types of 'words'", () => {
+    expect(compileExpr("true", {})).toBe("true");
+    expect(compileExpr("false", {})).toBe("false");
+    expect(compileExpr("debugger", {})).toBe("debugger");
+  });
+
+  test("parenthesis", () => {
+    expect(compileExpr("(1)", {})).toBe("(1)");
+    expect(compileExpr("a*(1 +3)", {})).toBe("context['a']*(1+3)");
+  });
+
+  test("objects and sub objects", () => {
+    expect(compileExpr("{a:{b:1}} ", {})).toBe("{a:{b:1}}");
+  });
+
+  test("replacing variables", () => {
+    expect(compileExpr("a", {})).toBe("context['a']");
+    expect(compileExpr("a", { a: { id: "_3", expr: "" } })).toBe("_3");
+  });
+
+  test("arrays and objects", () => {
+    expect(compileExpr("[{b:1}] ", {})).toBe("[{b:1}]");
+    expect(compileExpr("{a: []} ", {})).toBe("{a:[]}");
+    expect(compileExpr("[{b:1, c: [1, {d: {e: 3}} ]}] ", {})).toBe("[{b:1,c:[1,{d:{e:3}}]}]");
+  });
+
+  test("dot operator", () => {
+    expect(compileExpr("a.b", {})).toBe("context['a'].b");
+    expect(compileExpr("a.b.c", {})).toBe("context['a'].b.c");
+  });
+
+  test("various unary operators", () => {
+    expect(compileExpr("!flag", {})).toBe("!context['flag']");
+    expect(compileExpr("-3", {})).toBe("-3");
+    expect(compileExpr("-a", {})).toBe("-context['a']");
+  });
+
+  test("various binary operators", () => {
+    expect(compileExpr("color == 'black'", {})).toBe("context['color']=='black'");
+    expect(compileExpr("a || b", {})).toBe("context['a']||context['b']");
+    expect(compileExpr("color === 'black'", {})).toBe("context['color']==='black'");
+    expect(compileExpr("'li_'+item", {})).toBe("'li_'+context['item']");
+    expect(compileExpr("state.val > 1", {})).toBe("context['state'].val>1");
+  });
+
+  test("boolean operations", () => {
+    expect(compileExpr("a && b", {})).toBe("context['a']&&context['b']");
+  });
+
+  test("ternary operators", () => {
+    expect(compileExpr("a ? b: '2'", {})).toBe("context['a']?context['b']:'2'");
+    expect(compileExpr("a ? b: (c or '2') ", {})).toBe(
+      "context['a']?context['b']:(context['c']||'2')"
+    );
+    expect(compileExpr("a ? {test:c}: [1,u]", {})).toBe(
+      "context['a']?{test:context['c']}:[1,context['u']]"
+    );
+  });
+
+  test("word replacement", () => {
+    expect(compileExpr("a or b", {})).toBe("context['a']||context['b']");
+    expect(compileExpr("a and b", {})).toBe("context['a']&&context['b']");
+  });
+
+  test("function calls", () => {
+    expect(compileExpr("a()", {})).toBe("context['a']()");
+    expect(compileExpr("a(1)", {})).toBe("context['a'](1)");
+    expect(compileExpr("a(1,2)", {})).toBe("context['a'](1,2)");
+    expect(compileExpr("a(1,2,{a:[a]})", {})).toBe("context['a'](1,2,{a:[context['a']]})");
+    expect(compileExpr("'x'.toUpperCase()", {})).toBe("'x'.toUpperCase()");
+    expect(compileExpr("'x'.toUpperCase({a: 3})", {})).toBe("'x'.toUpperCase({a:3})");
+    expect(compileExpr("'x'.toUpperCase(a)", { a: { id: "_v5", expr: "" } })).toBe(
+      "'x'.toUpperCase(_v5)"
+    );
+    expect(compileExpr("'x'.toUpperCase({b: a})", { a: { id: "_v5", expr: "" } })).toBe(
+      "'x'.toUpperCase({b:_v5})"
+    );
+  });
+});