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# This file is a part of Julia. License is MIT: https://julialang.org/license
mktempdir() do temp_dir
# Download a file
file = joinpath(temp_dir, "ip")
@test download("http://httpbin.org/ip", file) == file
@test isfile(file)
@test !isempty(read(file))
# Download an empty file
empty_file = joinpath(temp_dir, "empty")
@test download("http://httpbin.org/status/200", empty_file) == empty_file
# Windows and older versions of curl do not create the empty file (https://github.com/curl/curl/issues/183)
@test !isfile(empty_file) || isempty(read(empty_file))
# Make sure that failed downloads do not leave files around
missing_file = joinpath(temp_dir, "missing")
@test_throws ErrorException download("http://httpbin.org/status/404", missing_file)
@test !isfile(missing_file)
# Make sure we properly handle metachar '
metachar_file = joinpath(temp_dir, "metachar")
download("https://httpbin.org/get?test='^'", metachar_file)
metachar_string = read(metachar_file, String)
m = match(r"\"url\"\s*:\s*\"(.*)\"", metachar_string)
@test m.captures[1] == "https://httpbin.org/get?test='^'"
# Use a TEST-NET (192.0.2.0/24) address which shouldn't be bound
invalid_host_file = joinpath(temp_dir, "invalid_host")
@test_throws ErrorException download("http://192.0.2.1", invalid_host_file)
@test !isfile(invalid_host_file)
end
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