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Contents?: true
Size: 1.66 KB
Versions: 10
Compression:
Stored size: 1.66 KB
Contents
require "rspec"
require "spec_helper"
module Berkshelf
describe Visualizer, :not_supported_on_windows do
describe "#to_png" do
context "when graphviz is not installed" do
before do
allow(Berkshelf).to receive(:which)
.with("dot")
.and_return(nil)
allow(Berkshelf).to receive(:which)
.with("dot.exe")
.and_return(nil)
end
it "raises a GraphvizNotInstalled exception" do
expect { subject.to_png }.to raise_error(GraphvizNotInstalled)
end
end
context "when the graphviz command fails", :graphviz do
before do
response = double(error?: true, stderr: "Something happened!")
allow(subject).to receive(:shell_out).and_return(response)
end
it "raises a GraphvizCommandFailed exception" do
expect { subject.to_png }.to raise_error(GraphvizCommandFailed)
end
end
context "when the graphviz command succeeds", :graphviz do
it "builds a dot from a Lockfile" do
outfile = tmp_path.join("test-graph.dot").to_s
lockfile = Lockfile.from_file(fixtures_path.join("lockfiles/default.lock").to_s)
Visualizer.from_lockfile(lockfile).to_dot_file(outfile)
expect(File.exists?(outfile)).to be true
end
it "builds a png from a Lockfile" do
outfile = tmp_path.join("test-graph.png").to_s
lockfile = Lockfile.from_file(fixtures_path.join("lockfiles/default.lock").to_s)
Visualizer.from_lockfile(lockfile).to_png(outfile)
expect(File.exists?(outfile)).to be true
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems