Add full file checker CheckEndOfLineRule.

editorconfig/full_file_checkers_test.go

@@ -0,0 +1,41 @@
+package editorconfig
+
+import (
+	"testing"
+)
+
+func ExpectFilePass(file string, ruleValue string, fileChecker FullFileChecker, t *testing.T) {
+	result := fileChecker(ruleValue, file)
+	if !result.isOk {
+		t.Error("Expected file to pass, but it failed: \"" + file + "\" for rule value \"" + ruleValue + "\", had error message: " + result.messageIfNotOk)
+	}
+}
+
+func ExpectFileFail(file string, ruleValue string, fileChecker FullFileChecker, t *testing.T, expectedError string) {
+	result := fileChecker(ruleValue, file)
+	if result.isOk {
+		t.Error("Expected file to fail, but it passed: \"" + file + "\" for rule value \"" + ruleValue + "\"")
+		return
+	}
+
+	if !result.isOk && result.messageIfNotOk != expectedError {
+		t.Error("File \"" + file + "\" failed with error message \"" + result.messageIfNotOk + "\" but had expected \"" + expectedError + "\"")
+		return
+	}
+}
+
+func TestCheckEndOfLineRule(t *testing.T) {
+	f := CheckEndOfLineRule
+
+	ExpectFilePass("", "lf", f, t)
+	ExpectFilePass("", "cr", f, t)
+	ExpectFilePass("", "crlf", f, t)
+
+	ExpectFilePass("Aardvark\nBunny\n", "lf", f, t)
+	ExpectFilePass("Aardvark\rBunny\r", "cr", f, t)
+	ExpectFilePass("Aardvark\r\nBunny\r\n", "crlf", f, t)
+
+	ExpectFileFail("Aardvark\nBunny\n", "cr", f, t, "should use CR for new lines but contains LF")
+	ExpectFileFail("Aardvark\rBunny\r", "crlf", f, t, "should use CRLF for new lines but contains CR")
+	ExpectFileFail("Aardvark\r\nBunny\r\n", "lf", f, t, "should use LF for new lines but contains CRLF")
+}