golang 单元测试

1.插件包地址：
安装
2.为选择的方法创建单元测试方法
3.测试单个函数方法
4.测试单个文件，一定要带上被测试的原文件
5.测试指定文件夹下整个包所有文件的单元测试
测试整个项目里所有*_test.go结尾文件的单面测试
第三方测试包

GoTests工具自动化test使用

1.插件包地址：

https://github.com/cweill/gotests

安装

go get -u github.com/cweill/gotests/...

会在go.mod里引入插件包

2.为选择的方法创建单元测试方法

3.测试单个函数方法

3.1.1在测试的文件里会生成如下代码

part_one/hello_world_test.go

func TestHelloGo(t *testing.T) {
	tests := []struct {
		name string
		want string
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := HelloGo(); got != tt.want {
				t.Errorf("HelloGo() = %v, want %v", got, tt.want)
			}
		})
	}
}

3.1.2.1在TODO写入通过的测试数据

func TestHelloGo(t *testing.T) {
	tests := []struct {
		name string
		want string
	}{
		// TODO: Add test cases.
		{
			"test TestHelloGo",
			"hello go",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := HelloGo(); got != tt.want {
				t.Errorf("HelloGo() = %v, want %v", got, tt.want)
			}
		})
	}
}

3.1.2.2.运行测试

$ cd /media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one
haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one$ go test -v -cover  -run TestHelloGo
Before ====================
=== RUN   TestHelloGo
=== RUN   TestHelloGo/test_TestHelloGo
--- PASS: TestHelloGo (0.00s)
    --- PASS: TestHelloGo/test_TestHelloGo (0.00s)
PASS
coverage: 33.3% of statements
End ====================
ok      github.com/wuxiaoxiaoshen/go-how-to-wirte-test/part_one 0.025s

3.1.3.1在TODO写入不通过的测试数据

func TestHelloGo(t *testing.T) {
	tests := []struct {
		name string
		want string
	}{
		// TODO: Add test cases.
		{
			"test TestHelloGo",
			"hello go111",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := HelloGo(); got != tt.want {
				t.Errorf("HelloGo() = %v, want %v", got, tt.want)
			}
		})
	}
}

3.1.3.2运行测试

haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one$ go test -v -cover  -run TestHelloGo
Before ====================
=== RUN   TestHelloGo
=== RUN   TestHelloGo/test_TestHelloGo
    hello_world_test.go:126: HelloGo() = hello go, want hello go1
--- FAIL: TestHelloGo (0.00s)
    --- FAIL: TestHelloGo/test_TestHelloGo (0.00s)
FAIL
coverage: 33.3% of statements
End ====================
exit status 1
FAIL    github.com/wuxiaoxiaoshen/go-how-to-wirte-test/part_one 0.042s

4.测试单个文件，一定要带上被测试的原文件

haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one$ go test -v -cover  hello_world_test.go hello_world.go 
Before ====================
=== RUN   TestHello
    hello_world_test.go:13: Hello() = Hello World, want Hello World
    hello_world_test.go:20: Hello() = Hello World, want Hello World
--- PASS: TestHello (0.00s)
=== RUN   TestHello2
=== RUN   TestHello2/test_for_hello_with_run
    hello_world_test.go:31: Hello() = Hello World, want = Hello World
--- PASS: TestHello2 (0.00s)
    --- PASS: TestHello2/test_for_hello_with_run (0.00s)
=== RUN   TestHelloWithTable
=== RUN   TestHelloWithTable/test_for_hello
--- PASS: TestHelloWithTable (0.00s)
    --- PASS: TestHelloWithTable/test_for_hello (0.00s)
=== RUN   TestWorld
    hello_world_test.go:86: ok
--- PASS: TestWorld (0.00s)
=== RUN   Test_world
=== RUN   Test_world/#00
got: world
    hello_world_test.go:106: world() != world, want 
--- FAIL: Test_world (0.00s)
    --- FAIL: Test_world/#00 (0.00s)
=== RUN   TestHelloGo
=== RUN   TestHelloGo/test_TestHelloGo
--- PASS: TestHelloGo (0.00s)
    --- PASS: TestHelloGo/test_TestHelloGo (0.00s)
=== RUN   ExampleHello
--- PASS: ExampleHello (0.00s)
FAIL
coverage: 100.0% of statements
End ====================
FAIL    command-line-arguments  0.023s
FAIL
haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one$

5.测试指定文件夹下整个包所有文件的单元测试

haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one$ ll
总用量 9
drwxrwxrwx 1 haima haima    0 10月  6 20:01 .
drwxrwxrwx 1 haima haima 4096 10月  6 17:55 ..
-rwxrwxrwx 1 haima haima  220 10月  6 17:38 hello_world.go
-rwxrwxrwx 1 haima haima 2576 10月  6 20:01 hello_world_test.go
haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test/part_one$ go test -v -cover ./
Before ====================
=== RUN   TestHello
    hello_world_test.go:13: Hello() = Hello World, want Hello World
    hello_world_test.go:20: Hello() = Hello World, want Hello World
--- PASS: TestHello (0.00s)
=== RUN   TestHello2
=== RUN   TestHello2/test_for_hello_with_run
    hello_world_test.go:31: Hello() = Hello World, want = Hello World
--- PASS: TestHello2 (0.00s)
    --- PASS: TestHello2/test_for_hello_with_run (0.00s)
=== RUN   TestHelloWithTable
=== RUN   TestHelloWithTable/test_for_hello
--- PASS: TestHelloWithTable (0.00s)
    --- PASS: TestHelloWithTable/test_for_hello (0.00s)
=== RUN   TestWorld
    hello_world_test.go:86: ok
--- PASS: TestWorld (0.00s)
=== RUN   Test_world
=== RUN   Test_world/#00
got: world
    hello_world_test.go:106: world() != world, want 
--- FAIL: Test_world (0.00s)
    --- FAIL: Test_world/#00 (0.00s)
=== RUN   TestHelloGo
=== RUN   TestHelloGo/test_TestHelloGo
--- PASS: TestHelloGo (0.00s)
    --- PASS: TestHelloGo/test_TestHelloGo (0.00s)
=== RUN   ExampleHello
--- PASS: ExampleHello (0.00s)
FAIL
coverage: 100.0% of statements
End ====================
FAIL    github.com/wuxiaoxiaoshen/go-how-to-wirte-test/part_one 0.013s
FAIL

测试整个项目里所有*_test.go结尾文件的单面测试

$ cd /media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test
haima@haima-PC:/media/haima/34E401CC64DD0E28/site/go/src/haimait/learn/go-how-to-write-test$ go test -coverprofile=couver.out -v ./...