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Handle non-existing variable in comparison #676

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merged 4 commits into from
Jul 12, 2023
Merged

Handle non-existing variable in comparison #676

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a3aff91
test: verify non-existing variables in comparisons
remcowesterhoud Jul 6, 2023
34ae560
feat: handle non-existing variables in comparisons
remcowesterhoud Jul 6, 2023
c38488f
test: fix existing test cases
remcowesterhoud Jul 7, 2023
d1c1044
test: very non-existing variable with `between`
remcowesterhoud Jul 12, 2023
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4 changes: 2 additions & 2 deletions src/test/scala/org/camunda/feel/api/valuemapper/BuiltinValueMapperInputTest.scala
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Expand Up @@ -215,7 +215,7 @@ class BuiltinValueMapperInputTest extends AnyFlatSpec with Matchers {
engine
.evalExpression("bar.foo = \"baz\"",
context = Context.StaticContext(variables, null))
.getOrElse() shouldBe ()
.getOrElse() shouldBe false
}

it should "read scala string from object getter with attribute notation" in {
Expand Down Expand Up @@ -292,7 +292,7 @@ class BuiltinValueMapperInputTest extends AnyFlatSpec with Matchers {
engine
.evalExpression("bar.baz = \"foo\"",
context = Context.StaticContext(variables, null))
.getOrElse() shouldBe ()
.getOrElse() shouldBe false
}

it should "read java.util.Map" in {
Expand Down
32 changes: 16 additions & 16 deletions src/test/scala/org/camunda/feel/impl/interpreter/InterpreterExpressionTest.scala
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Expand Up @@ -264,22 +264,22 @@ class InterpreterExpressionTest

"A variable name" should "not be a key-word" in {

eval("some = true") shouldBe a[ValError]
eval("every = true") shouldBe a[ValError]
eval("if = true") shouldBe a[ValError]
eval("then = true") shouldBe a[ValError]
eval("else = true") shouldBe a[ValError]
eval("function = true") shouldBe a[ValError]
eval("for = true") shouldBe a[ValError]
eval("between = true") shouldBe a[ValError]
eval("instance = true") shouldBe a[ValError]
eval("of = true") shouldBe a[ValError]
eval("not = true") shouldBe a[ValError]
eval("in = true") shouldBe a[ValError]
eval("satisfies = true") shouldBe a[ValError]
eval("and = true") shouldBe a[ValError]
eval("or = true") shouldBe a[ValError]
eval("return = true") shouldBe a[ValError]
eval("some = true", Map("some" -> 1)) shouldBe a[ValError]
eval("every = true", Map("every" -> 1)) shouldBe a[ValError]
eval("if = true", Map("if" -> 1)) shouldBe a[ValError]
eval("then = true", Map("then" -> 1)) shouldBe a[ValError]
eval("else = true", Map("else" -> 1)) shouldBe a[ValError]
eval("function = true", Map("function" -> 1)) shouldBe a[ValError]
eval("for = true", Map("for" -> 1)) shouldBe a[ValError]
eval("between = true", Map("between" -> 1)) shouldBe a[ValError]
eval("instance = true", Map("instance" -> 1)) shouldBe a[ValError]
eval("of = true", Map("of" -> 1)) shouldBe a[ValError]
eval("not = true", Map("not" -> 1)) shouldBe a[ValError]
eval("in = true", Map("in" -> 1)) shouldBe a[ValError]
eval("satisfies = true", Map("satisfies" -> 1)) shouldBe a[ValError]
eval("and = true", Map("and" -> 1)) shouldBe a[ValError]
eval("or = true", Map("or" -> 1)) shouldBe a[ValError]
eval("return = true", Map("return" -> 1)) shouldBe a[ValError]
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}

List(
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10 changes: 6 additions & 4 deletions src/test/scala/org/camunda/feel/impl/interpreter/InterpreterNumberExpressionTest.scala
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Expand Up @@ -180,11 +180,13 @@ class InterpreterNumberExpressionTest
eval("null = 2") should be(ValBoolean(false))
eval("null != 2") should be(ValBoolean(true))

eval("2 > null") should be(ValBoolean(false))
eval("null < 2") should be(ValBoolean(false))
eval("2 > null") should be(ValNull)
eval("null < 2") should be(ValNull)
}

eval("null in < 2") should be(ValBoolean(false))
eval("null in (2..4)") should be(ValBoolean(false))
ignore should "compare with 'null in'" in {
eval("null in < 2") should be(ValNull)
eval("null in (2..4)") should be(ValNull)
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}

it should "compare with 'between _ and _'" in {
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10 changes: 6 additions & 4 deletions src/test/scala/org/camunda/feel/impl/interpreter/InterpreterUnaryTest.scala
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Expand Up @@ -130,11 +130,13 @@ class InterpreterUnaryTest
}

it should "compare to null" in {

evalUnaryTests(null, "3") should be(ValBoolean(false))
evalUnaryTests(null, "< 3") should be(ValBoolean(false))
evalUnaryTests(null, "> 3") should be(ValBoolean(false))
evalUnaryTests(null, "(0..10)") should be(ValBoolean(false))
}

ignore should "compare to null with < or >" in {
evalUnaryTests(null, "< 3") should be(ValNull)
evalUnaryTests(null, "> 3") should be(ValNull)
evalUnaryTests(null, "(0..10)") should be(ValNull)
}

"A string" should "be equal to another string" in {
Expand Down