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|
# frozen_string_literal: true
describe TestProf::MemoryProf do
subject { described_class }
describe ".config" do
let(:config) { subject.config }
it "returns an instance of TestProf::MemoryProf::Configuration" do
expect(config).to be_kind_of(TestProf::MemoryProf::Configuration)
end
describe "#mode=" do
let(:set_mode) { config.mode = value }
context "when value is alloc" do
let(:value) { "alloc" }
it "sets mode to alloc" do
set_mode
expect(config.mode).to eq(:alloc)
end
end
context "when value is rss" do
let(:value) { "rss" }
it "sets mode to rss" do
set_mode
expect(config.mode).to eq(:rss)
end
end
context "when value is neither alloc or rss" do
let(:value) { "invalid" }
it "sets mode to alloc" do
set_mode
expect(config.mode).to eq(:rss)
end
end
end
describe "#top_count=" do
let(:set_top_count) { config.top_count = value }
context "when value is an integer" do
let(:value) { 5 }
it "sets top_count to the value" do
set_top_count
expect(config.top_count).to eq(5)
end
end
context "when value is a float" do
let(:value) { 5.7 }
it "transforms the value to an integer" do
set_top_count
expect(config.top_count).to eq(5)
end
end
context "when value is 0" do
let(:value) { 0 }
it "sets top_count to 5" do
set_top_count
expect(config.top_count).to eq(5)
end
end
context "when value is negative" do
let(:value) { -7 }
it "sets top_count to 5" do
set_top_count
expect(config.top_count).to eq(5)
end
end
context "when value is nil" do
let(:value) { nil }
it "sets top_count to 5" do
set_top_count
expect(config.top_count).to eq(5)
end
end
context "when value is a text" do
let(:value) { "invalid" }
it "sets top_count to 5" do
set_top_count
expect(config.top_count).to eq(5)
end
end
end
end
describe ".tracker" do
let(:tracker) { subject.tracker }
context "when mode is alloc" do
before { described_class.config.mode = "alloc" }
if RUBY_ENGINE == "jruby"
it "raises an error" do
expect { tracker }.to raise_error("Your Ruby Engine or OS is not supported")
end
else
it "returns an instance of AllocTracker" do
expect(tracker).to be_kind_of(TestProf::MemoryProf::AllocTracker)
end
it "sets tracker.top_count to config.top_count" do
expect(tracker.top_count).to eq(5)
end
end
end
context "when mode is rss" do
before { described_class.config.mode = "rss" }
it "returns an instance of RssTracker" do
expect(tracker).to be_kind_of(TestProf::MemoryProf::RssTracker)
end
it "sets tracker.top_count to config.top_count" do
expect(tracker.top_count).to eq(5)
end
end
end
describe ".printer" do
let(:printer) { subject.printer(tracker) }
let(:tracker) { subject.tracker }
context "when mode is alloc" do
before { described_class.config.mode = "alloc" }
if RUBY_ENGINE == "jruby"
it "raises an error" do
expect { printer }.to raise_error("Your Ruby Engine or OS is not supported")
end
else
it "returns an instance of AllocPrinter" do
expect(printer).to be_kind_of(TestProf::MemoryProf::AllocPrinter)
end
it "sets printer.tracker" do
expect(printer.send(:tracker)).to eq(tracker)
end
end
end
context "when mode is rss" do
before { described_class.config.mode = "rss" }
it "returns an instance of RssPrinter" do
expect(printer).to be_kind_of(TestProf::MemoryProf::RssPrinter)
end
it "sets printer.tracker" do
expect(printer.send(:tracker)).to eq(tracker)
end
end
end
end
|
