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require "fileutils"
require "pathname"
require "tmpdir"
require "yaml"
require "support/fakefs"
require "librarian/config/database"
describe Librarian::Config::Database do
include ::Support::FakeFS
def write_yaml!(path, *yamlables)
path = Pathname(path)
path.dirname.mkpath unless path.dirname.directory?
File.open(path, "wb"){|f| yamlables.each{|y| YAML.dump(y, f)}}
end
let(:adapter_name) { "gem" }
let(:env) { { } }
let(:pwd) { Pathname(Dir.tmpdir) }
let(:home) { Pathname("~").expand_path }
let(:project_path) { nil }
let(:specfile_name) { nil }
let(:global) { home.join(".librarian/gem/config") }
let(:local) { pwd.join(".librarian/gem/config") }
let(:specfile) { pwd.join("Gemfile") }
before do
FileUtils.mkpath(pwd)
FileUtils.touch(specfile)
end
let(:database) do
described_class.new(adapter_name,
:env => env,
:pwd => pwd.to_s,
:home => home.to_s,
:project_path => project_path,
:specfile_name => specfile_name
)
end
context "when a key is given globally" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
before do
write_yaml! global, raw_key => value
end
it "should have the key globally" do
expect(database.global[key]).to eq value
end
it "should not have the key in the env" do
expect(database.env[key]).to be_nil
end
it "should not have the key locally" do
expect(database.local[key]).to be_nil
end
it "should have the key generally" do
expect(database[key]).to eq value
end
end
context "when a key is set globally" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
before do
database.global[key] = value
end
it "should have the key globally" do
expect(database.global[key]).to eq value
end
it "should not have the key in the env" do
expect(database.env[key]).to be_nil
end
it "should not have the key locally" do
expect(database.local[key]).to be_nil
end
it "should have the key generally" do
expect(database[key]).to eq value
end
it "should persist the key" do
data = YAML.load_file(global)
expect(data).to eq({raw_key => value})
end
end
context "when the key is set and unset globally" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
before do
database.global[key] = value
database.global[key] = nil
end
it "should not have the key globally" do
expect(database.global[key]).to be_nil
end
it "should not have the key in the env" do
expect(database.env[key]).to be_nil
end
it "should not have the key locally" do
expect(database.local[key]).to be_nil
end
it "should not have the key generally" do
expect(database[key]).to be_nil
end
it "should unpersist the key" do
expect(File).to_not exist global
end
end
context "when a key is given in the env" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
#override
let(:env) { {raw_key => value} }
it "should not have the key globally" do
expect(database.global[key]).to be_nil
end
it "should have the key in the env" do
expect(database.env[key]).to eq value
end
it "should not have the key locally" do
expect(database.local[key]).to be_nil
end
it "should have the key generally" do
expect(database[key]).to eq value
end
end
context "when a key is given locally" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
before do
write_yaml! local, raw_key => value
end
it "should not have the key globally" do
expect(database.global[key]).to be_nil
end
it "should not have the key in the env" do
expect(database.env[key]).to be_nil
end
it "should have the key locally" do
expect(database.local[key]).to eq value
end
it "should have the key generally" do
expect(database[key]).to eq value
end
end
context "when a key is set locally" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
before do
database.local[key] = value
end
it "should not have the key globally" do
expect(database.global[key]).to be_nil
end
it "should not have the key in the env" do
expect(database.env[key]).to be_nil
end
it "should have the key locally" do
expect(database.local[key]).to eq value
end
it "should have the key generally" do
expect(database[key]).to eq value
end
it "should persist the key" do
data = YAML.load_file(local)
expect(data).to eq({raw_key => value})
end
end
context "when the key is set and unset locally" do
let(:key) { "jam" }
let(:value) { "jelly" }
let(:raw_key) { "LIBRARIAN_GEM_JAM" }
before do
database.local[key] = value
database.local[key] = nil
end
it "should not have the key globally" do
expect(database.global[key]).to be_nil
end
it "should not have the key in the env" do
expect(database.env[key]).to be_nil
end
it "should not have the key locally" do
expect(database.local[key]).to be_nil
end
it "should not have the key generally" do
expect(database[key]).to be_nil
end
it "should unpersist the key" do
expect(File).to_not exist local
end
end
context "setting malformatted keys" do
it "should ban caps" do
expect { database.global["JAM"] = "jelly" }.
to raise_error Librarian::Error, %[key not permitted: "JAM"]
end
it "should ban double dots" do
expect { database.global["jam..jam"] = "jelly" }.
to raise_error Librarian::Error, %[key not permitted: "jam..jam"]
end
end
context "setting banned keys" do
it "should ban the specfile key" do
expect { database.global["gemfile"] = "jelly" }.
to raise_error Librarian::Error, %[key not permitted: "gemfile"]
end
it "should ban the global-config key" do
expect { database.global["config"] = "jelly" }.
to raise_error Librarian::Error, %[key not permitted: "config"]
end
end
context "project_path" do
context "by default" do
it "should give the default project path" do
expect(database.project_path).to eq Pathname("/tmp")
end
end
context "when the specfile is set in the env" do
let(:env) { {"LIBRARIAN_GEM_GEMFILE" => "/non/sense/path/to/Sillyfile"} }
it "should give the project path from the env-set specfile" do
expect(database.project_path).to eq Pathname("/non/sense/path/to")
end
end
end
context "specfile_path" do
context "by default" do
it "should give the default specfile path" do
expect(database.specfile_path).to eq specfile
end
end
context "when set in the env" do
let(:env) { {"LIBRARIAN_GEM_GEMFILE" => "/non/sense/path/to/Sillyfile"} }
it "should give the given specfile path" do
expect(database.specfile_path).to eq Pathname("/non/sense/path/to/Sillyfile")
end
end
context "when the project_path is assigned" do
let(:project_path) { "/non/sense/path/to" }
it "should give the assigned specfile path" do
expect(database.specfile_path).to eq Pathname("/non/sense/path/to/Gemfile")
end
end
context "when the specfile_name is assigned" do
let(:specfile_name) { "Sillyfile" }
it "should give the assigned specfile path" do
expect(database.specfile_path).to eq Pathname("/tmp/Sillyfile")
end
end
end
end
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