Add: julia-0.6.2

Former-commit-id: ccc667cf67d569f3fb3df39aa57c2134755a7551

julia-0.6.2/share/julia/test/error.jl

@@ -0,0 +1,71 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
+@test length(ExponentialBackOff(n=10)) == 10
+@test collect(ExponentialBackOff(n=10, first_delay=0.01))[1] == 0.01
+@test maximum(ExponentialBackOff(n=10, max_delay=0.06)) == 0.06
+ratio(x) = x[2:end]./x[1:end-1]
+@test all(x->x ≈ 10.0, ratio(collect(ExponentialBackOff(n=10, max_delay=Inf, factor=10, jitter=0.0))))
+srand(12345)
+@test (mean(ratio(collect(ExponentialBackOff(n=100, max_delay=Inf, factor=1, jitter=0.1)))) - 1.0) < 1e-4
+
+let
+    function foo_error(c, n)
+        c[1] += 1
+        if c[1] <= n
+            error("foo")
+        end
+        return 7
+    end
+
+    # Success on first attempt
+    c = [0]
+    @test retry(foo_error)(c,0) == 7
+    @test c[1] == 1
+
+    # Success on second attempt
+    c = [0]
+    @test retry(foo_error)(c,1) == 7
+    @test c[1] == 2
+
+    # 2 failed retry attempts, so exception is raised
+    c = [0]
+    ex = try retry(foo_error, delays=ExponentialBackOff(n=2))(c,3) catch e; e end
+    @test ex.msg == "foo"
+    @test c[1] == 3
+
+    c = [0]
+    ex = try retry(foo_error, check=(s,e)->(s,isa(e, ErrorException)))(c,2) catch e; e end
+    @test typeof(ex) == ErrorException
+    @test ex.msg == "foo"
+    @test c[1] == 2
+
+    c = [0]
+    ex = try retry(foo_error, check=(s,e)->(s,e.msg == "foo"))(c,2) catch e; e end
+    @test typeof(ex) == ErrorException
+    @test ex.msg == "foo"
+    @test c[1] == 2
+
+    # No retry if condition does not match
+    c = [0]
+    ex = try retry(foo_error, check=(s,e)->(s,e.msg == "bar"))(c,2) catch e; e end
+    @test typeof(ex) == ErrorException
+    @test ex.msg == "foo"
+    @test c[1] == 1
+
+    c = [0]
+    ex = try retry(foo_error, check=(s,e)->(s,try e.http_status_code == "503" end != true))(c,2) catch e; e end
+    @test typeof(ex) == ErrorException
+    @test ex.msg == "foo"
+    @test c[1] == 2
+
+    c = [0]
+    ex = try retry(foo_error, check=(s,e)->(s,isa(e,SystemError)))(c,2) catch e; e end
+    @test typeof(ex) == ErrorException
+    @test ex.msg == "foo"
+    @test c[1] == 1
+
+    # Functions with keyword arguments
+    foo_kwargs(x; y=5) = x + y
+    @test retry(foo_kwargs)(3) == 8
+    @test retry(foo_kwargs)(3; y=4) == 7
+end