Add test_julia_repl.jl

src/IPython.jl

@@ -20,7 +20,7 @@ end
 
 # Register keybind '.' in Julia REPL:
 
-function init_repl_if_not()
+function init_repl_if_not(; _init_repl=init_repl)
     active_repl = try
         Base.active_repl
     catch err
@@ -29,7 +29,7 @@ function init_repl_if_not()
     end
 
     if isinteractive() && typeof(active_repl) != Base.REPL.BasicREPL
-        init_repl(active_repl)
+        _init_repl(active_repl)
     end
 end
 # See: https://github.com/JuliaInterop/RCall.jl/blob/master/src/setup.jl

test/preamble.jl

@@ -0,0 +1,7 @@
+@static if VERSION < v"0.7.0-DEV.2005"
+    using Base.Test
+else
+    using Test
+end
+
+using IPython

test/runtests.jl

@@ -1,13 +1,8 @@
 # module TestIPython
 
-using IPython
-import PyCall
-@static if VERSION < v"0.7.0-DEV.2005"
-    using Base.Test
-else
-    using Test
-end
+include("preamble.jl")
 
+import PyCall
 @show PyCall.pyprogramname
 @show PyCall.pyversion
 @show PyCall.libpython
@@ -21,4 +16,6 @@ ipy_main = ipy_opts["user_ns"]["Main"]
     @test x == 17061
 end
 
+include("test_julia_repl.jl")
+
 # end  # module

test/test_julia_repl.jl

@@ -0,0 +1,39 @@
+module TestJuliaREPL
+
+include("preamble.jl")
+using IPython: init_repl, init_repl_if_not
+using Base.Terminals: TextTerminal
+
+
+@testset "init_repl_if_not" begin
+    repl = init_repl_if_not(; _init_repl=identity)
+    if isinteractive()
+        @test repl === Base.active_repl
+    else
+        @test repl === nothing
+    end
+end
+
+
+struct DummyTerminal <: TextTerminal
+end
+
+function dummy_repl()
+    repl = Base.REPL.LineEditREPL(DummyTerminal())
+    repl.interface = Base.REPL.setup_interface(repl)
+    return repl
+end
+
+function dummy_initialized_repl()
+    repl = dummy_repl()
+    init_repl(repl)
+    return repl
+end
+
+@testset "init_repl" begin
+    repl = dummy_initialized_repl()
+    keymap_dict = repl.interface.modes[1].keymap_dict
+    @test haskey(keymap_dict, '.')
+end
+
+end  # module