hello_test.go

package main

import "testing"

// test function names begin with uppercase Test
func TestMessage(t *testing.T) {
	project := new(Project)
	project.PushedAt = "now"
	project.Name = "TestProject"
	msg := Message(project)
	if msg != "<p>TestProject: Latest commit: now</p>" {
		t.Errorf("Incorrect message: %s", msg)
	}
}

func TestMessageLackOfPushAt(t *testing.T) {
	project := new(Project)
	project.Name = "TestProject"
	msg := Message(project)
	if msg != "<p>TestProject: Latest commit: </p>" {
		t.Errorf("Incorrect message: %s", msg)
	}
}

func TestMessageLackOfName(t *testing.T) {
	project := new(Project)
	project.PushedAt = "now"

	msg := Message(project)
	if msg != "<p>: Latest commit: now</p>" {
		t.Errorf("Incorrect message: %s", msg)
	}
}

func TestFailCase(t *testing.T) {
	project := new(Project)
	project.PushedAt = "sssss"

	msg := Message(project)
	if msg != "<p>: Latest commit: now</p>" {
		t.Errorf("Incorrect message: %s", msg)
		t.Fail() // Bắt lỗi ở đây
	}
}

func TestFailCaseSystemError(t *testing.T) {
	// Arrange
	project := new(Project)
	project.PushedAt = "sssss"
	panic(1)
	// Act
	func() {
		defer func() {
			if r := recover(); r != nil {
				// Assert
				t.Logf("Expected system error: %v", r)
				return
			}
		}()

		// This will cause a panic and a system error
		msg := Message(project)
		_ = msg // To avoid "unused variable" warning
	}()

	// If the code reaches here, the test should fail
	t.Fail()
}