Add ruby code sample for test (#40)

pkg/analyzer/analyzer_test.go

@@ -87,6 +87,11 @@ func TestMatchingFiles(t *testing.T) {
 					Extension: ".py",
 					Language:  "Python",
 				},
+				{
+					FilePath:  filepath.Join(codeSamplesDir, "main.rb"),
+					Extension: ".rb",
+					Language:  "Ruby",
+				},
 			},
 		},
 		{
@@ -134,6 +139,11 @@ func TestMatchingFiles(t *testing.T) {
 					Extension: ".py",
 					Language:  "Python",
 				},
+				{
+					FilePath:  filepath.Join(codeSamplesDir, "main.rb"),
+					Extension: ".rb",
+					Language:  "Ruby",
+				},
 			},
 		},
 		{
@@ -181,6 +191,11 @@ func TestMatchingFiles(t *testing.T) {
 					Extension: ".py",
 					Language:  "Python",
 				},
+				{
+					FilePath:  filepath.Join(codeSamplesDir, "main.rb"),
+					Extension: ".rb",
+					Language:  "Ruby",
+				},
 			},
 		},
 		{

pkg/scanner/scanner_test.go

@@ -63,6 +63,11 @@ func TestScan(t *testing.T) {
 			Extension: ".py",
 			Language:  "Python",
 		},
+		{
+			FilePath:  filepath.Join(codeSamplesDir, "main.rb"),
+			Extension: ".rb",
+			Language:  "Ruby",
+		},
 	}
 
 	expected := []scanResult{
@@ -122,6 +127,13 @@ func TestScan(t *testing.T) {
 			BlankLines: 4,
 			Comments:   7,
 		},
+		{
+			Metadata:   files[8],
+			Lines:      30,
+			CodeLines:  18,
+			BlankLines: 4,
+			Comments:   8,
+		},
 	}
 
 	result, err := scanner.Scan(files)

test/fixtures/code_samples/main.rb

@@ -0,0 +1,30 @@
+=begin
+Given an array of 0s and 1s in random order.
+Segregate 0s on left side and 1s on right side of the array
+=end
+def segregate(a)
+  left, right = 0, a.length - 1
+  while left < right
+    # Increment left index while we see 0 at left
+    while a[left] == 0
+      left += 1
+    end
+
+    # Decrement right index while we see 1 at right
+    while a[right] == 1
+      right -= 1
+    end
+
+    # Exchange arr[left] and arr[right]
+    if left < right
+      a[left], a[right] = a[right], a[left]
+      left += 1
+      right -= 1
+    end
+  end
+
+  return a
+end
+
+p segregate([1,0,1,1,0,0])
+# Output: [0, 0, 0, 1, 1, 1]