Add detector tests

Author: webdev778

ruby/spec/detector_spec.rb

@@ -0,0 +1,28 @@
+RSpec.describe Interscript::Detector do
+  it "should return valid data when map_pattern is selected and multiple is true" do
+    out = Interscript.detect(
+      "привет", "privet",
+      map_pattern: "icao-ukr-*",
+      multiple: true,
+      compiler: Interscript::Compiler::Ruby
+    )
+    expected = {"icao-ukr-Cyrl-Latn-9303" => 1.0}
+    expect(out).to eq(expected)
+  end
+
+  it "should return valid data when map_pattern isn't selected and multiple is false" do
+    out = Interscript.detect("привет", "privet", compiler: Interscript::Compiler::Ruby)
+    expect(out).to be_a(String)
+  end
+
+  it "should return valid data when map_pattern isn't selected and multiple is true" do
+    out = Interscript.detect(
+      "привет", "privet", 
+      multiple: true,
+      compiler: Interscript::Compiler::Ruby,
+    )
+    expect(out).to be_a(Hash)
+    expect(out.keys.all? { |i| i.class == String }).to be true
+    expect(out.values.all? { |i| Numeric === i }).to be true
+  end
+end