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rails--rails/activestorage/test/analyzer/image_analyzer_test.rb
2019-10-03 15:42:47 +09:00

40 lines
1.2 KiB
Ruby

# frozen_string_literal: true
require "test_helper"
require "database/setup"
require "active_storage/analyzer/image_analyzer"
class ActiveStorage::Analyzer::ImageAnalyzerTest < ActiveSupport::TestCase
test "analyzing a JPEG image" do
blob = create_file_blob(filename: "racecar.jpg", content_type: "image/jpeg")
metadata = extract_metadata_from(blob)
assert_equal 4104, metadata[:width]
assert_equal 2736, metadata[:height]
end
test "analyzing a rotated JPEG image" do
blob = create_file_blob(filename: "racecar_rotated.jpg", content_type: "image/jpeg")
metadata = extract_metadata_from(blob)
assert_equal 2736, metadata[:width]
assert_equal 4104, metadata[:height]
end
test "analyzing an SVG image without an XML declaration" do
blob = create_file_blob(filename: "icon.svg", content_type: "image/svg+xml")
metadata = extract_metadata_from(blob)
assert_equal 792, metadata[:width]
assert_equal 584, metadata[:height]
end
test "analyzing an unsupported image type" do
blob = create_blob(data: "bad", filename: "bad_file.bad", content_type: "image/bad_type")
metadata = extract_metadata_from(blob)
assert_nil metadata[:width]
assert_nil metadata[:height]
end
end