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# frozen_string_literal: true
require "spec_helper"
require "configurate/provider/toml"
describe Configurate::Provider::TOML do
PARSER = Configurate::Provider::TOML::PARSER
let(:settings) {
{
"toplevel" => "bar",
"some" => {
"nested" => {"some" => "lala", "setting" => "foo"}
}
}
}
describe "#initialize" do
it "loads the file" do
file = "foobar.toml"
expect(PARSER).to receive(:load_file).with(file).and_return({})
described_class.new file
end
it "raises if the file is not found" do
allow(PARSER).to receive(:load_file).and_raise(Errno::ENOENT)
expect {
silence_stderr do
described_class.new "foo"
end
}.to raise_error Errno::ENOENT
end
context "with a namespace" do
it "looks in the file for that namespace" do
namespace = "some.nested"
allow(PARSER).to receive(:load_file).and_return(settings)
provider = described_class.new "bla", namespace: namespace
expect(provider.instance_variable_get(:@settings)).to eq settings["some"]["nested"]
end
it "raises if the namespace isn't found" do
allow(PARSER).to receive(:load_file).and_return({})
expect {
silence_stderr do
described_class.new "bla", namespace: "bar"
end
}.to raise_error ArgumentError
end
it "works with an empty namespace in the file" do
allow(PARSER).to receive(:load_file).and_return("foo" => {"bar" => nil})
expect {
silence_stderr do
described_class.new "bla", namespace: "foo.bar"
end
}.to_not raise_error
end
end
context "with required set to false" do
it "doesn't raise if a file isn't found" do
allow(PARSER).to receive(:load_file).and_raise(Errno::ENOENT)
expect {
silence_stderr do
described_class.new "not_me", required: false
end
}.not_to raise_error
end
it "doesn't raise if a namespace isn't found" do
allow(PARSER).to receive(:load_file).and_return({})
expect {
silence_stderr do
described_class.new "bla", namespace: "foo", required: false
end
}.not_to raise_error
end
end
end
describe "#lookup_path" do
before do
allow(PARSER).to receive(:load_file).and_return(settings)
@provider = described_class.new "dummy"
end
it "looks up the whole nesting" do
expect(@provider.lookup_path(%w[some nested some])).to eq settings["some"]["nested"]["some"]
end
it "returns nil if no setting is found" do
expect(@provider.lookup_path(["not_me"])).to be_nil
end
context "with raise_on_missing set to true" do
before do
@provider = described_class.new "dummy", raise_on_missing: true
end
it "looks up the whole nesting" do
expect(@provider.lookup_path(%w[some nested some])).to eq settings["some"]["nested"]["some"]
end
it "returns nil if no setting is found" do
expect {
@provider.lookup_path ["not_me"]
}.to raise_error Configurate::MissingSetting
end
end
end
end
|
