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|
package mill.define
import utest._
import mill.{T, Module}
import mill.util.TestUtil
object MacroErrorTests extends TestSuite{
val tests = Tests{
'errors{
val expectedMsg =
"T{} members must be defs defined in a Cacher class/trait/object body"
val err = compileError("object Foo extends TestUtil.BaseModule{ val x = T{1} }")
assert(err.msg == expectedMsg)
}
'badTmacro - {
// Make sure we can reference values from outside the T{...} block as part
// of our `Target#apply()` calls, but we cannot reference any values that
// come from inside the T{...} block
'pos - {
val e = compileError("""
val a = T{ 1 }
val arr = Array(a)
val b = {
val c = 0
T{
arr(c)()
}
}
""")
assert(e.msg.contains(
"Modules, Targets and Commands can only be defined within a mill Module")
)
}
'neg - {
val expectedMsg =
"Target#apply() call cannot use `value n` defined within the T{...} block"
val err = compileError("""new Module{
def a = T{ 1 }
val arr = Array(a)
def b = {
T{
val n = 0
arr(n)()
}
}
}""")
assert(err.msg == expectedMsg)
}
'neg2 - {
val expectedMsg =
"Target#apply() call cannot use `value x` defined within the T{...} block"
val err = compileError("""new Module{
def a = T{ 1 }
val arr = Array(a)
def b = {
T{
arr.map{x => x()}
}
}
}""")
assert(err.msg == expectedMsg)
}
'neg3{
val borkedCachedDiamond1 = utest.compileError("""
object borkedCachedDiamond1 {
def up = T{ TestUtil.test() }
def left = T{ TestUtil.test(up) }
def right = T{ TestUtil.test(up) }
def down = T{ TestUtil.test(left, right) }
}
""")
assert(borkedCachedDiamond1.msg.contains(
"Modules, Targets and Commands can only be defined within a mill Module")
)
}
}
}
}
|
