initial commits

content_test.go

@@ -0,0 +1,152 @@
+package strfs_test
+
+import (
+	"github.com/reiver/go-strfs"
+
+	"io"
+
+	"testing"
+)
+
+func TestContent(t *testing.T) {
+
+	tests := []struct{
+		Content string
+	}{
+		{
+			Content: "",
+		},
+
+
+
+		{
+			Content: "once",
+		},
+		{
+			Content: "once twice",
+		},
+		{
+			Content: "once twice thrice",
+		},
+		{
+			Content: "once twice thrice fource",
+		},
+	}
+
+	for testNumber, test := range tests {
+
+		var content strfs.Content
+		{
+			if strfs.EmptyContent() != content {
+				t.Errorf("For test #%d, expected content to be empty but actually wasn't.", testNumber)
+				t.Logf("CONTENT: %q", test.Content)
+				continue
+			}
+			if expected, actual := true, content.Closed(); expected != actual {
+				t.Errorf("For test #%d, expected content to be closed but actually wasn't.", testNumber)
+				t.Logf("EXPECTED CONTENT-CLOSED: %t", expected)
+				t.Logf("ACTUAL   CONTENT-CLOSED: %t", actual)
+				t.Logf("CONTENT: %q", test.Content)
+				continue
+			}
+			if expected, actual := int64(0), content.Size(); expected != actual {
+				t.Errorf("For test #%d, expected content to be zero but actually wasn't.", testNumber)
+				t.Logf("EXPECTED CONTENT-SIZE: %d", expected)
+				t.Logf("ACTUAL   CONTENT-SIZE: %d", actual)
+				t.Logf("CONTENT: %q", test.Content)
+				continue
+			}
+			{
+				var b [1]byte
+				var p []byte = b[:]
+
+				n, err := content.Read(p)
+				if expected, actual := 0, n; expected != actual {
+					t.Errorf("For test #%d, expected number of bytes read to zero but actually wasn't.", testNumber)
+					t.Logf("EXPECTED NUMBER-BYTES-READ: %d", expected)
+					t.Logf("ACTUAL   NUMBER-BYTES-READ: %d", actual)
+					t.Logf("CONTENT: %q", test.Content)
+					continue
+				}
+				if nil == err {
+					t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber)
+					t.Logf("CONTENT: %q", test.Content)
+					continue
+				}
+				if expected, actual := "closed", err.Error(); expected != actual {
+					t.Errorf("For test #%d, the actual error was not what was expected.", testNumber)
+					t.Logf("EXPECTED ERROR: %q", expected)
+					t.Logf("ACTUAL   ERROR: %q", actual)
+					t.Logf("CONTENT: %q", test.Content)
+					continue
+				}
+			}
+		}
+		{
+
+			content = strfs.CreateContent(test.Content)
+			if strfs.EmptyContent() == content {
+				t.Errorf("For test #%d, did not expect content to be nil but actually was.", testNumber)
+				t.Logf("CONTENT: %q", test.Content)
+				continue
+			}
+			if expected, actual := false, content.Closed(); expected != actual {
+				t.Errorf("For test #%d, did not expect content to be closed but actually was.", testNumber)
+				t.Logf("EXPECTED CONTENT-CLOSED: %t", expected)
+				t.Logf("ACTUAL   CONTENT-CLOSED: %t", actual)
+				t.Logf("CONTENT: %q", test.Content)
+				continue
+			}
+			if expected, actual := int64(len(test.Content)), content.Size(); expected != actual {
+				t.Errorf("For test #%d, the actual content-size was not what was expected", testNumber)
+				t.Logf("EXPECTED CONTENT-SIZE: %d", expected)
+				t.Logf("ACTUAL   CONTENT-SIZE: %d", actual)
+				t.Logf("CONTENT: %q", test.Content)
+				continue
+			}
+		}
+
+		{
+			var reader io.Reader = &content
+
+			actualBytes, err := io.ReadAll(reader)
+			if nil != err {
+				t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
+				t.Logf("ERROR: (%T) %s", err, err)
+				t.Logf("FILE-CONTENT: %q", test.Content)
+				continue
+			}
+
+			var actual   string = string(actualBytes)
+			var expected string = test.Content
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual content is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-CONTENT: %q", expected)
+				t.Logf("ACTUAL   FILE-CONTENT: %q", actual)
+				continue
+			}
+		}
+
+		{
+			if expected, actual := false, content.Closed(); expected != actual {
+				t.Errorf("For test #%d, did not expect content to be closed but actually was." ,testNumber)
+				t.Logf("EXPECTED CONTENT-CLOSED: %t", expected)
+				t.Logf("ACTUAL   CONTENT-CLOSED: %t", actual)
+				continue
+			}
+		}
+		{
+			var expected int64 = int64(len(test.Content))
+			var actual   int64 = content.Size()
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual content-size is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-SIZE: %d", expected)
+				t.Logf("ACTUAL   FILE-SIZE: %d", actual)
+				t.Logf("FILE-CONTENT: %q", test.Content)
+				continue
+			}
+		}
+	}
+}