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require "spec"
require "uri/params"
class URI
describe Params do
describe ".new" do
Params.new.should eq(Params.parse(""))
end
describe ".parse" do
{
{"", {} of String => Array(String)},
{"&&", {} of String => Array(String)},
{" ", {" " => [""]}},
{"foo=bar", {"foo" => ["bar"]}},
{"foo=bar&foo=baz", {"foo" => ["bar", "baz"]}},
{"foo=bar&baz=qux", {"foo" => ["bar"], "baz" => ["qux"]}},
{"foo=bar;baz=qux", {"foo" => ["bar"], "baz" => ["qux"]}},
{"foo=hello%2Bworld", {"foo" => ["hello+world"]}},
{"foo=hello+world", {"foo" => ["hello world"]}},
{"foo=", {"foo" => [""]}},
{"foo", {"foo" => [""]}},
{"foo=&bar", {"foo" => [""], "bar" => [""]}},
{"bar&foo", {"bar" => [""], "foo" => [""]}},
{"foo=bar=qux", {"foo" => ["bar=qux"]}},
}.each do |(from, to)|
it "parses #{from}" do
Params.parse(from).should eq(Params.new(to))
end
end
end
describe ".build" do
{
{"foo=bar", {"foo" => ["bar"]}},
{"foo=bar&foo=baz", {"foo" => ["bar", "baz"]}},
{"foo=bar&baz=qux", {"foo" => ["bar"], "baz" => ["qux"]}},
{"foo=hello%2Bworld", {"foo" => ["hello+world"]}},
{"foo=hello+world", {"foo" => ["hello world"]}},
{"foo=", {"foo" => [""]}},
{"foo=&bar=", {"foo" => [""], "bar" => [""]}},
{"bar=&foo=", {"bar" => [""], "foo" => [""]}},
}.each do |(to, from)|
it "builds form from #{from}" do
encoded = Params.build do |form|
from.each do |key, values|
values.each do |value|
form.add(key, value)
end
end
end
encoded.should eq(to)
end
end
it "turns spaces to %20 if wanted" do
encoded = Params.build(space_to_plus: false) do |form|
form.add("foo bar", "hello world")
end
encoded.should eq("foo%20bar=hello%20world")
end
end
describe ".encode" do
it "builds from hash" do
encoded = Params.encode({"foo" => "bar", "baz" => ["quux", "quuz"]})
encoded.should eq("foo=bar&baz=quux&baz=quuz")
end
it "builds from named tuple" do
encoded = Params.encode({foo: "bar", baz: ["quux", "quuz"]})
encoded.should eq("foo=bar&baz=quux&baz=quuz")
end
end
describe "#to_s" do
it "serializes params to http form" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.to_s.should eq("foo=bar&foo=baz&baz=qux")
end
it "turns spaces to + by default" do
params = Params.parse("foo+bar=hello+world")
params.to_s.should eq("foo+bar=hello+world")
end
it "turns spaces to %20 if space_to_plus is false" do
params = Params.parse("foo+bar=hello+world")
params.to_s(space_to_plus: false).should eq("foo%20bar=hello%20world")
end
end
it "#inspect" do
URI::Params.new.inspect.should eq "URI::Params{}"
URI::Params{"foo" => ["bar", "baz"], "baz" => ["qux"]}.inspect.should eq %(URI::Params{"foo" => ["bar", "baz"], "baz" => ["qux"]})
end
describe "#[](name)" do
it "returns first value for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params["foo"].should eq("bar")
params["baz"].should eq("qux")
end
it "raises KeyError when there is no such param" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
expect_raises KeyError do
params["non_existent_param"]
end
end
end
describe "#[]?(name)" do
it "returns first value for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params["foo"]?.should eq("bar")
params["baz"]?.should eq("qux")
end
it "return nil when there is no such param" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params["non_existent_param"]?.should eq(nil)
end
end
describe "#has_key?(name)" do
it "returns true if param with provided name exists" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.has_key?("foo").should eq(true)
params.has_key?("baz").should eq(true)
end
it "return false if param with provided name does not exist" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.has_key?("non_existent_param").should eq(false)
end
end
describe "#[]=(name, value)" do
it "sets value for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params["foo"] = "notfoo"
params.fetch_all("foo").should eq(["notfoo"])
end
it "adds new name => value pair if there is no such param" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params["non_existent_param"] = "test"
params.fetch_all("non_existent_param").should eq(["test"])
end
it "sets value for provided param name (array)" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params["non_existent_param"] = ["test", "something"]
params.fetch_all("non_existent_param").should eq(["test", "something"])
end
end
describe "#fetch(name, default)" do
it "returns first value for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.fetch("foo", "aDefault").should eq("bar")
params.fetch("baz", "aDefault").should eq("qux")
end
it "return default value when there is no such param" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.fetch("non_existent_param", "aDefault").should eq("aDefault")
end
end
describe "#fetch(name, &block)" do
it "returns first value for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.fetch("foo") { "fromBlock" }.should eq("bar")
params.fetch("baz") { "fromBlock" }.should eq("qux")
end
it "return default value when there is no such param" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.fetch("non_existent_param") { "fromBlock" }.should eq("fromBlock")
end
end
describe "#fetch_all(name)" do
it "fetches list of all values for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux&iamempty")
params.fetch_all("foo").should eq(["bar", "baz"])
params.fetch_all("baz").should eq(["qux"])
params.fetch_all("iamempty").should eq([""])
params.fetch_all("non_existent_param").should eq([] of String)
end
end
describe "#add(name, value)" do
it "appends new value for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux&iamempty")
params.add("foo", "zeit")
params.fetch_all("foo").should eq(["bar", "baz", "zeit"])
params.add("baz", "exit")
params.fetch_all("baz").should eq(["qux", "exit"])
params.add("iamempty", "not_empty_anymore")
params.fetch_all("iamempty").should eq(["not_empty_anymore"])
params.add("non_existent_param", "something")
params.fetch_all("non_existent_param").should eq(["something"])
end
end
describe "#set_all(name, values)" do
it "sets values for provided param name" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.set_all("baz", ["hello", "world"])
params.fetch_all("baz").should eq(["hello", "world"])
params.set_all("foo", ["something"])
params.fetch_all("foo").should eq(["something"])
params.set_all("non_existent_param", ["something", "else"])
params.fetch_all("non_existent_param").should eq(["something", "else"])
end
end
describe "#dup" do
it "gives a whole new set of params" do
ary = ["bar"]
params = Params{"foo" => ary}
duped = params.dup
ary << "baz"
duped.fetch_all("foo").should eq ["bar"]
params.fetch_all("foo").should eq ["bar", "baz"]
end
end
describe "#clone" do
it "gives a whole new set of params" do
ary = ["bar"]
params = Params{"foo" => ary}
duped = params.clone
ary << "baz"
duped.fetch_all("foo").should eq ["bar"]
params.fetch_all("foo").should eq ["bar", "baz"]
end
end
describe "#each" do
it "calls provided proc for each name, value pair, including multiple values per one param name" do
received = [] of {String, String}
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.each do |name, value|
received << {name, value}
end
received.should eq([
{"foo", "bar"},
{"foo", "baz"},
{"baz", "qux"},
])
end
end
describe "#delete" do
it "deletes first value for provided param name and returns it" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.delete("foo").should eq("bar")
params.fetch_all("foo").should eq(["baz"])
params.delete("baz").should eq("qux")
expect_raises KeyError do
params["baz"]
end
end
end
describe "#delete_all" do
it "deletes all values for provided param name and returns them" do
params = Params.parse("foo=bar&foo=baz&baz=qux")
params.delete_all("foo").should eq(["bar", "baz"])
expect_raises KeyError do
params["foo"]
end
end
end
describe "#empty?" do
it "test empty?" do
Params.parse("foo=bar&foo=baz&baz=qux").empty?.should be_false
Params.parse("").empty?.should be_true
Params.new.empty?.should be_true
end
end
describe "#==" do
it "compares other" do
a = Params.parse("a=foo&b=bar")
b = Params.parse("a=bar&b=foo")
(a == a).should be_true
(b == b).should be_true
(a == b).should be_false
end
it "compares other types" do
a = Params.parse("a=foo&b=bar")
b = "other type"
(a == b).should be_false
end
end
end
end
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