From a107dcd60089ef90bbdbe0fe75537f2164aaac86 Mon Sep 17 00:00:00 2001
From: Xeronith <xeronith@yahoo.com>
Date: Wed, 5 Jul 2023 18:31:04 +0330
Subject: [PATCH] feat(app): :safety_vest: add new validators

---
 app/validators/email_validator.go          | 11 +++
 app/validators/email_validator_test.go     | 84 ++++++++++++++++++++++
 app/validators/webfinger_validator.go      | 11 +++
 app/validators/webfinger_validator_test.go | 56 +++++++++++++++
 4 files changed, 162 insertions(+)
 create mode 100644 app/validators/email_validator.go
 create mode 100644 app/validators/email_validator_test.go
 create mode 100644 app/validators/webfinger_validator.go
 create mode 100644 app/validators/webfinger_validator_test.go

diff --git a/app/validators/email_validator.go b/app/validators/email_validator.go
new file mode 100644
index 0000000..a6f993a
--- /dev/null
+++ b/app/validators/email_validator.go
@@ -0,0 +1,11 @@
+package validators
+
+import (
+	"regexp"
+
+	. "github.com/reiver/greatape/components/constants"
+)
+
+func EmailIsValid(input string) bool {
+	return regexp.MustCompile(EMAIL).MatchString(input)
+}
diff --git a/app/validators/email_validator_test.go b/app/validators/email_validator_test.go
new file mode 100644
index 0000000..47d1bef
--- /dev/null
+++ b/app/validators/email_validator_test.go
@@ -0,0 +1,84 @@
+package validators_test
+
+import (
+	"testing"
+
+	"github.com/reiver/greatape/app/validators"
+)
+
+func TestEmailValidator(test *testing.T) {
+	type arguments struct {
+		email string
+	}
+
+	testCases := []struct {
+		name        string
+		expectation bool
+		arguments   arguments
+	}{
+		{
+			"Case1",
+			false,
+			arguments{
+				email: "",
+			},
+		},
+		{
+			"Case2",
+			false,
+			arguments{
+				email: "user",
+			},
+		},
+		{
+			"Case3",
+			true,
+			arguments{
+				email: "user@domain.com",
+			},
+		},
+		{
+			"Case4",
+			true,
+			arguments{
+				email: "user+plus@gmail.com",
+			},
+		},
+		{
+			"Case5",
+			true,
+			arguments{
+				email: "susan235@gmail.com",
+			},
+		},
+		{
+			"Case6",
+			true,
+			arguments{
+				email: "new_user@icloud.com",
+			},
+		},
+		{
+			"Case7",
+			true,
+			arguments{
+				email: "someone@somewhere.co.uk",
+			},
+		},
+		{
+			"Case8",
+			true,
+			arguments{
+				email: "north.star@space.social",
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		test.Run(testCase.name, func(test *testing.T) {
+			if result := validators.EmailIsValid(testCase.arguments.email); result != testCase.expectation {
+				test.Errorf("EmailIsValid() = %v, expected %v", result, testCase.expectation)
+			}
+		})
+	}
+}
diff --git a/app/validators/webfinger_validator.go b/app/validators/webfinger_validator.go
new file mode 100644
index 0000000..252cd63
--- /dev/null
+++ b/app/validators/webfinger_validator.go
@@ -0,0 +1,11 @@
+package validators
+
+import (
+	"regexp"
+
+	. "github.com/reiver/greatape/components/constants"
+)
+
+func WebfingerIsValid(webfinger string) bool {
+	return regexp.MustCompile(WEBFINGER).MatchString(webfinger)
+}
diff --git a/app/validators/webfinger_validator_test.go b/app/validators/webfinger_validator_test.go
new file mode 100644
index 0000000..a9d73a4
--- /dev/null
+++ b/app/validators/webfinger_validator_test.go
@@ -0,0 +1,56 @@
+package validators_test
+
+import (
+	"testing"
+
+	"github.com/reiver/greatape/app/validators"
+)
+
+func TestWebfingerValidator(test *testing.T) {
+	type arguments struct {
+		webfinger string
+	}
+
+	testCases := []struct {
+		name        string
+		expectation bool
+		arguments   arguments
+	}{
+		{
+			"Case1",
+			false,
+			arguments{
+				webfinger: "somebody@somewhere.xyz",
+			},
+		},
+		{
+			"Case2",
+			true,
+			arguments{
+				webfinger: "acct:somebody@somewhere.xyz",
+			},
+		},
+		{
+			"Case3",
+			true,
+			arguments{
+				webfinger: "acct:user@sub.domain.com",
+			},
+		},
+		{
+			"Case4",
+			false,
+			arguments{
+				webfinger: "acct:user",
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		test.Run(testCase.name, func(test *testing.T) {
+			if result := validators.WebfingerIsValid(testCase.arguments.webfinger); result != testCase.expectation {
+				test.Errorf("WebfingerIsValid() = %v, expected %v", result, testCase.expectation)
+			}
+		})
+	}
+}