Add tests for notifications (#91)

Author: timholy

Project.toml

@@ -10,7 +10,8 @@ julia = "0.7, 1"
 
 [extras]
 Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
+Example = "7876af07-990d-54b4-ab0e-23690620f79a"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test", "Colors"]
+test = ["Test", "Colors", "Example"]

test/Project.toml

@@ -1,3 +1,4 @@
 [deps]
 Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
+Example = "7876af07-990d-54b4-ab0e-23690620f79a"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

test/pkgs/NotifyMe/Project.toml

@@ -0,0 +1,8 @@
+name = "NotifyMe"
+uuid = "545cf9b9-f575-4090-a54a-9a5287d37f74"
+authors = ["Tim Holy <tim.holy@gmail.com>"]
+version = "0.1.0"
+
+[deps]
+Requires = "ae029012-a4dd-5104-9daa-d747884805df"
+UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"

test/pkgs/NotifyMe/src/NotifyMe.jl

@@ -0,0 +1,12 @@
+module NotifyMe
+
+using Requires, UUIDs
+
+const notified_args = []
+add_require(args...) = push!(notified_args, args)
+
+function __init__()
+    push!(Requires.notified_pkgs, Base.PkgId(UUID(0x545cf9b9f5754090a54a9a5287d37f74), "NotifyMe"))
+end
+
+end # module

test/runtests.jl

@@ -113,6 +113,9 @@ end
         @eval using FooAfterPC
         @eval using FooSubAfterNPC
         @eval using FooSubAfterPC
+
+        pop!(LOAD_PATH)
+
         @test FooAfterNPC.flag
         @test FooAfterPC.flag
         @test :SubModule in names(FooSubAfterNPC)
@@ -121,3 +124,46 @@ end
         @test FooSubAfterPC.SubModule.flag
     end
 end
+
+module EvalModule end
+
+@testset "Notifications" begin
+    push!(LOAD_PATH, joinpath(@__DIR__, "pkgs"))
+    @eval using NotifyMe
+
+    mktempdir() do pkgsdir
+        ndir = joinpath("NotifyTarget", "src")
+        cd(pkgsdir) do
+            mkpath(ndir)
+            cd(ndir) do
+                open("NotifyTarget.jl", "w") do io
+                    println(io, """
+                    module NotifyTarget
+                        using Requires
+                        function __init__()
+                            @require Example="7876af07-990d-54b4-ab0e-23690620f79a" begin
+                                f(x) = 2x
+                            end
+                        end
+                    end
+                    """)
+                end
+            end
+        end
+        push!(LOAD_PATH, pkgsdir)
+        @test isempty(NotifyMe.notified_args)
+        @eval using NotifyTarget
+        @test isempty(NotifyMe.notified_args)
+        @eval using Example
+        @test length(NotifyMe.notified_args) == 1
+        nargs = NotifyMe.notified_args[1]
+        @test nargs[1] == joinpath(pkgsdir, ndir, "NotifyTarget.jl")
+        @test nargs[2] == NotifyTarget
+        @test nargs[3] == "7876af07-990d-54b4-ab0e-23690620f79a"
+        @test nargs[4] == "Example"
+        Core.eval(EvalModule, nargs[5])
+        @test Base.invokelatest(EvalModule.f, 3) == 6
+    end
+
+    pop!(LOAD_PATH)
+end