Add spec for lib/

spec/file_reverse_reader_spec.rb

@@ -1,34 +0,0 @@
-require "enumerator"
-require 'spec_helper'
-
-describe FileReverseReader do
-  describe "#each_line" do
-    let(:instance) { FileReverseReader.new(io, step) }
-    let(:io) { File.open(logfile) }
-
-    subject { instance.enum_for(:each_line) }
-
-    context "read at once" do
-      let(:logfile) { File.expand_path("./spec/support/fixtures/error0.log", Rails.root) }
-
-      context "small file (read at once)" do
-        let(:step) { File.size(logfile) }
-
-        it { subject.count.should == File.open(logfile).each_line.count }
-        it "reverse order" do
-          subject.to_a.should == File.open(logfile).each_line.to_a.map(&:strip).reverse
-        end
-      end
-
-      context "large file" do
-        let(:step) { 2 }
-
-        it { subject.count.should == File.open(logfile).each_line.count }
-        it "reverse order" do
-          subject.to_a.should == File.open(logfile).each_line.to_a.map(&:strip).reverse
-        end
-      end
-    end
-  end
-end
-

spec/lib/file_reverse_reader_spec.rb

@@ -0,0 +1,73 @@
+require "enumerator"
+require 'spec_helper'
+
+describe FileReverseReader do
+  let(:instance) { FileReverseReader.new(io) }
+  let(:io) { File.open(logfile) }
+
+  describe "#each_line" do
+    let(:instance) { FileReverseReader.new(io, step) }
+    subject { instance.enum_for(:each_line) }
+    let(:logfile) { File.expand_path("./spec/support/fixtures/error0.log", Rails.root) }
+
+    context "read at once" do
+
+      context "small file (read at once)" do
+        let(:step) { File.size(logfile) }
+
+        it { subject.count.should == File.open(logfile).each_line.count }
+        it "reverse order" do
+          subject.to_a.should == File.open(logfile).each_line.to_a.map(&:strip).reverse
+        end
+      end
+
+      context "large file" do
+        let(:step) { 2 }
+
+        it { subject.count.should == File.open(logfile).each_line.count }
+        it "reverse order" do
+          subject.to_a.should == File.open(logfile).each_line.to_a.map(&:strip).reverse
+        end
+      end
+    end
+  end
+
+  describe "#binary_file?" do
+    let(:logfile) { File.expand_path("./tmp/log.log", Rails.root) }
+    before { File.open(logfile, "wb"){|f| f.write content} }
+    subject { instance.binary_file? }
+
+    context "contain ascii only" do
+      let(:content) { "ABCDE" }
+      it { should be_false }
+    end
+
+    context "contain non-ascii" do
+      let(:content) { "\x89NG" }
+      it { should be_true }
+    end
+  end
+
+  describe "#tail" do
+    let(:logfile) { File.expand_path("./tmp/log.log", Rails.root) }
+    let(:log_lines) { 100 }
+    before { File.open(logfile, "w"){|f| f.write("foo\n" * log_lines) } }
+    subject { instance.tail(count) }
+
+    context "2" do
+      let(:count) { 2 }
+      it { subject.to_a.size.should == count }
+    end
+
+    context "50" do
+      let(:count) { 50 }
+      it { subject.to_a.size.should == count }
+    end
+
+    context "over log lines" do
+      let(:count) { log_lines + 100 }
+      it { subject.to_a.size.should == log_lines }
+    end
+  end
+end
+

spec/lib/fluentd-ui_spec.rb

@@ -16,4 +16,20 @@ describe FluentdUI do
       it { should be_truthy }
     end
   end
+
+  describe ".fluentd_version" do
+    before { Fluentd.stub(:instance).and_return(target) }
+    subject { FluentdUI.fluentd_version }
+
+    context "not setup yet" do
+      let(:target) { nil }
+      it { should be_nil }
+    end
+
+    context "did setup" do
+      let(:target) { build(:fluentd) }
+      let(:version) { "1.1.1" }
+      it { should == target.agent.version }
+    end
+  end
 end