Examples with Context com.squarespace.template.Context used on opensource projects

Example 31 with Context

use of com.squarespace.template.Context in project template-compiler by Squarespace.

the class ExprTest method testStrictEquality.

@Test
public void testStrictEquality() {
    Context c = new Context(JsonUtils.decode("{}"));
    assertEquals(reduce("1 === 1", c), BooleanNode.TRUE);
    assertEquals(reduce("1 === 2", c), BooleanNode.FALSE);
    assertEquals(reduce("1 === NaN", c), BooleanNode.FALSE);
    assertEquals(reduce("NaN === NaN", c), BooleanNode.FALSE);
    assertEquals(reduce("true === 1", c), BooleanNode.FALSE);
    assertEquals(reduce("false === 1", c), BooleanNode.FALSE);
    assertEquals(reduce("\"1\" === 1", c), BooleanNode.FALSE);
    assertEquals(reduce("1 !== 1", c), BooleanNode.FALSE);
    assertEquals(reduce("1 !== 2", c), BooleanNode.TRUE);
    assertEquals(reduce("\"1\" !== 1", c), BooleanNode.TRUE);
}

Example 32 with Context

use of com.squarespace.template.Context in project template-compiler by Squarespace.

the class ExprTest method testUnsupportedValues.

@Test
public void testUnsupportedValues() {
    // objects and array types are not supported for operations
    Context c = new Context(JsonUtils.decode("{\"obj\":{\"a\":1,\"b\":\"foo\"},\"arr\":[1,2,3]}"));
    assertEquals(reduce("1 + obj", c), null);
    assertEquals(reduce("1 + arr", c), null);
    assertEquals(reduce("num(obj)", c), null);
    assertEquals(reduce("str(obj)", c), null);
    assertEquals(reduce("bool(obj)", c), null);
    assertEquals(reduce("num(arr)", c), null);
    assertEquals(reduce("str(arr)", c), null);
    assertEquals(reduce("bool(arr)", c), null);
}

Example 33 with Context

use of com.squarespace.template.Context in project template-compiler by Squarespace.

the class ExprTest method testBasic.

@Test
public void testBasic() {
    String e;
    Context c;
    c = new Context(JsonUtils.decode("{}"));
    e = "";
    assertEquals(parse(e), emptyList());
    assertEquals(build(e), emptyList());
    assertEquals(reduce(e, c), null);
    // if no operators are applied, the result is the top of the RPN stack
    e = "1 2 3 4 5";
    assertEquals(parse(e), asList(num(1), num(2), num(3), num(4), num(5)));
    assertEquals(build(e), asList(asList(num(1), num(2), num(3), num(4), num(5))));
    assertEquals(reduce(e, c), new DoubleNode(5));
    e = "1+2";
    assertEquals(parse(e), asList(num(1), ADD, num(2)));
    assertEquals(build(e), asList(asList(num(1), num(2), ADD)));
    assertEquals(reduce(e, c), new DoubleNode(3));
    e = "1-2";
    assertEquals(parse(e), asList(num(1), SUB, num(2)));
    assertEquals(build(e), asList(asList(num(1), num(2), SUB)));
    assertEquals(reduce(e, c), new DoubleNode(-1));
    e = "1 + 2";
    assertEquals(parse(e), asList(num(1), ADD, num(2)));
    assertEquals(build(e), asList(asList(num(1), num(2), ADD)));
    assertEquals(reduce(e, c), new DoubleNode(3));
    e = "1 + -3";
    assertEquals(parse(e), asList(num(1), ADD, MINUS, num(3)));
    assertEquals(build(e), asList(asList(num(1), num(3), MINUS, ADD)));
    assertEquals(reduce(e, c), new DoubleNode(-2));
    e = "a.b.c * -1";
    assertEquals(parse(e), asList(varn("a.b.c"), MUL, MINUS, num(1)));
    assertEquals(build(e), asList(asList(varn("a.b.c"), num(1), MINUS, MUL)));
    c = new Context(JsonUtils.decode("{\"a\": {\"b\": {\"c\": 5 }}}"));
    assertEquals(reduce(e, c), new DoubleNode(-5));
    e = "\"foo\" == '\u2018bar\u2019'";
    assertEquals(parse(e), asList(str("foo"), EQ, str("\u2018bar\u2019")));
    assertEquals(build(e), asList(asList(str("foo"), str("\u2018bar\u2019"), EQ)));
    assertEquals(reduce(e, c), BooleanNode.FALSE);
    e = " max ( 1 , 2 ) ";
    assertEquals(parse(e), asList(call("max"), LPRN, num(1), COMMA, num(2), RPRN));
    assertEquals(build(e), asList(asList(Tokens.ARGS, num(1), num(2), call("max"))));
    assertEquals(reduce(e, c), new DoubleNode(2));
    e = "1 === 1";
    assertEquals(parse(e), asList(num(1), SEQ, num(1)));
    assertEquals(build(e), asList(asList(num(1), num(1), SEQ)));
    assertEquals(reduce(e, c), BooleanNode.TRUE);
    e = "false == true";
    assertEquals(parse(e), asList(FALSE, EQ, TRUE));
    assertEquals(build(e), asList(asList(FALSE, TRUE, EQ)));
    e = "null || 1";
    assertEquals(parse(e), asList(NULL, LOR, num(1)));
    assertEquals(build(e), asList(asList(NULL, num(1), LOR)));
    e = "(1 + (2 * (7 - (3 / 4))))";
    assertEquals(parse(e), asList(LPRN, num(1), ADD, LPRN, num(2), MUL, LPRN, num(7), SUB, LPRN, num(3), DIV, num(4), RPRN, RPRN, RPRN, RPRN));
    assertEquals(build(e), asList(asList(num(1), num(2), num(7), num(3), num(4), DIV, SUB, MUL, ADD)));
    assertEquals(reduce(e, c), new DoubleNode(13.5));
    e = "7+8;4";
    assertEquals(parse(e), asList(num(7), ADD, num(8), SEMI, num(4)));
    assertEquals(build(e), asList(asList(num(7), num(8), ADD), asList(num(4))));
    e = "@a = 8; @b = 4 / @a; @c = 3 * @b; @c";
    assertEquals(parse(e), asList(varn("@a"), ASN, num(8), SEMI, varn("@b"), ASN, num(4), DIV, varn("@a"), SEMI, varn("@c"), ASN, num(3), MUL, varn("@b"), SEMI, varn("@c")));
    assertEquals(build(e), asList(asList(varn("@a"), num(8), ASN), asList(varn("@b"), num(4), varn("@a"), DIV, ASN), asList(varn("@c"), num(3), varn("@b"), MUL, ASN), asList(varn("@c"))));
    assertEquals(reduce(e, c), new DoubleNode(1.5));
}

Example 34 with Context

use of com.squarespace.template.Context in project template-compiler by Squarespace.

the class ExprTest method testDivide.

@Test
public void testDivide() {
    Context c = new Context(JsonUtils.decode("{}"));
    assertEquals(reduce("5 / 2", c), new DoubleNode(2.5));
    assertEquals(reduce("\"foo\" / 2", c), new DoubleNode(Double.NaN));
    assertEquals(reduce("5 / 0", c), new DoubleNode(Double.NaN));
}

Example 35 with Context

use of com.squarespace.template.Context in project template-compiler by Squarespace.

the class ExprTest method testNesting.

@Test
public void testNesting() {
    Context c = new Context(JsonUtils.decode("{}"));
    assertEquals(reduce("((1 + 2) * 3) ** 2", c), new DoubleNode(81));
    // errant right parens
    assertEquals(reduce("1 )", c), null);
    assertEquals(reduce("1 + ) 2", c), null);
}