test cases:
- CI ready: 'Yes'
  ID: TCPIP_DNS_0101
  SDK: |-
    8266_NonOS
    8266_RTOS
    ESP32_IDF
  Test App: SSC
  allow fail: 1/2
  auto test: 'Yes'
  category: Function
  cmd set:
  - ''
  - - SSC SSC1 soc -H -d gbot.espressif.cn
    - - R SSC1 C +HOSTIP:OK,118.31.185.120
  execution time: 0.0
  expected result: 1.OK
  initial condition: STAM2
  level: Integration
  module: TCPIP
  steps: 1. get host name "gbot.espressif.cn"
  sub module: DNS
  summary: get host by name test
  test environment: SSC_T1_2
  test point 1: basic function
  test point 2: DNS function test
  version: v1 (2016-8-15)
- CI ready: 'Yes'
  ID: TCPIP_DNS_0102
  SDK: |-
    8266_NonOS
    8266_RTOS
    ESP32_IDF
  Test App: SSC
  allow fail: 1/2
  auto test: 'Yes'
  category: Function
  cmd set:
  - ''
  - - SSC SSC1 soc -H -d gbot.espressif.cn
    - - R SSC1 A <ip_addr>:\+HOSTIP:OK,(.+)\r\n
  - - SSC SSC1 soc -B -t TCP
    - - R SSC1 A <sock1>:\+BIND:(\d+),OK
  - - SSC SSC1 soc -C -s <sock1> -i <ip_addr> -p 9001
    - - R SSC1 RE \+CONNECT:\d+,OK
  - - SSC SSC1 soc -S -s <sock1> -l 10
    - - P SSC1 RE \+SEND:\d+,OK
      - P SSC1 SL <sock1>+10
  execution time: 0.0
  expected result: |-
    1.OK
    2.OK
  initial condition: STAM2
  level: Integration
  module: TCPIP
  steps: |-
    1. get host name "gbot.espressif.cn"
    2. connect, send, recv
  sub module: DNS
  summary: TCP connect to gbot.espressif.cn
  test environment: SSC_T1_2
  test point 1: basic function
  test point 2: DNS function test
  version: v2 (2016-10-19)
- CI ready: 'Yes'
  ID: TCPIP_DNS_0103
  SDK: |-
    8266_NonOS
    8266_RTOS
    ESP32_IDF
  Test App: SSC
  allow fail: 1/2
  auto test: 'Yes'
  category: Function
  cmd set:
  - ''
  - - SSC SSC1 soc -H -d gbot.espressif.cn
    - - R SSC1 A <ip_addr>:\+HOSTIP:OK,(.+)\r\n
  - - SSC SSC1 soc -B -t UDP
    - - R SSC1 A <sock1>:\+BIND:(\d+),OK
  - - SSC SSC1 soc -S -s <sock1> -i <ip_addr> -p 9003 -l 10 -n 3 -j 1000
    - - P SSC1 RE \+SEND:\d+,OK
      - P SSC1 SL <sock1>+10
  execution time: 0.0
  expected result: |-
    1.OK
    2.send OK and recv at least one echo
  initial condition: STAM2
  level: Integration
  module: TCPIP
  steps: |-
    1. get host name "espressif.cn"
    2. sendto echo server 3 times
  sub module: DNS
  summary: UDP send to gbot.espressif.cn
  test environment: SSC_T1_2
  test point 1: basic function
  test point 2: DNS function test
  version: v2 (2016-10-19)
- CI ready: 'No'
  ID: TCPIP_DNS_0201
  SDK: |-
    8266_NonOS
    8266_RTOS
    ESP32_IDF
  Test App: SSC
  allow fail: ''
  auto test: 'No'
  category: Function
  cmd set: ''
  execution time: 0.1
  expected result: 2. failed
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP的主、备用DNS server均设置为错误
    2.target连接上AP 并访问正确的域名
  sub module: DNS
  summary: get host name with error DNS server
  test environment: SSC_T1_2
  test point 1: abnormal/special use
  test point 2: use special DNS server config
  version: v1 (2016-8-15)
- CI ready: 'No'
  ID: TCPIP_DNS_0202
  SDK: |-
    8266_NonOS
    8266_RTOS
    ESP32_IDF
  Test App: SSC
  allow fail: ''
  auto test: 'No'
  category: Function
  cmd set: ''
  execution time: 0.1
  expected result: 2. succeed
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP的主DNS server设置为错误，备用DNS server设置为正确
    2.target连接上AP 并访问正确的域名
  sub module: DNS
  summary: get host name with error main DNS server and correct backup DNS server
  test environment: SSC_T1_2
  test point 1: abnormal/special use
  test point 2: use special DNS server config
  version: v1 (2016-8-15)
- CI ready: 'No'
  ID: TCPIP_DNS_0301
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "fallback_main_backup_dns_all_error"
    - ['']
  - - fallback_dns_option = "error"
    - ['']
  - - test_option = "main_backup_error"
    - ['']
  - - test_count = 20
    - [dummy]
  - - fallback_dns = "1.1.1.1"
    - ['']
  - - website_dns = "www.baidu.com"
    - ['']
  execution time: 0.3
  expected result: |-
    2.mode set ok
    3.connect ap sucess
    4.set fallback dns ok
    5.get dns ip fail
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP main,backup DNS all error
    2.set SSC1 to sta mode
    3.SSC1 connect to ap
    4.set SSC1 fallback DNS
    5.SSC1 get website dns IP
  sub module: DNS
  summary: DNS fallback main backup DNS all error test
  test environment: SSC_T1_DNS
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
- CI ready: 'No'
  ID: TCPIP_DNS_0302
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "fallback_dns_error_mian_backup_dns_right"
    - ['']
  - - fallback_dns_option = "error"
    - ['']
  - - test_option = "main_backup_right"
    - ['']
  - - test_count = 20
    - [dummy]
  - - fallback_dns = "2.2.2.2"
    - ['']
  - - website_dns = "www.baidu.com"
    - ['']
  execution time: 0.3
  expected result: |-
    2.mode set ok
    3.connect ap sucess
    4.set fallback dns ok
    5.get dns ip ok
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP main,backup DNS all right
    2.set SSC1 to sta mode
    3.SSC1 connect to ap
    4.set SSC1 fallback DNS
    5.SSC1 get website dns IP
  sub module: DNS
  summary: DNS fallback DNS error main backup DNS right test
  test environment: SSC_T1_DNS
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
- CI ready: 'No'
  ID: TCPIP_DNS_0303
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "fallback_main_dns_error_backup_dns_right"
    - ['']
  - - fallback_dns_option = "error"
    - ['']
  - - test_option = "backup_right"
    - ['']
  - - test_count = 20
    - [dummy]
  - - fallback_dns = "1.1.1.1"
    - ['']
  - - website_dns = "www.baidu.com"
    - ['']
  execution time: 0.3
  expected result: |-
    2.mode set ok
    3.connect ap sucess
    4.set fallback dns ok
    5.get dns ip ok
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP main DNS error,backup DNS right
    2.SSC1 set as sta mode
    3.SSC1 connect to ap
    4.set SSC1 fallback DNS
    5.SSC1 get website dns IP
  sub module: DNS
  summary: DNS fallback main DNS error backup DNS right test
  test environment: SSC_T1_DNS
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
- CI ready: 'No'
  ID: TCPIP_DNS_0304
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "fallback_main_backup_dns_all_right"
    - ['']
  - - fallback_dns_option = "right"
    - ['']
  - - test_option = "main_backup_right"
    - ['']
  - - test_count = 20
    - [dummy]
  - - fallback_dns = "208.67.222.222"
    - ['']
  - - website_dns = "www.baidu.com"
    - ['']
  execution time: 0.3
  expected result: |-
    2.mode set ok
    3.connect ap sucess
    4.set fallback dns ok
    5.get dns IP ok
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP main ,backup DNS right
    2.SSC1 set as sta mode
    3.SSC1 connect to ap
    4.set SSC1 fallback DNS
    5.SSC1 get website dns IP
  sub module: DNS
  summary: DNS fallback main backup DNS all right test
  test environment: SSC_T1_DNS
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
- CI ready: 'No'
  ID: TCPIP_DNS_0305
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "fallback_dns_right_main_backup_error"
    - ['']
  - - fallback_dns_set = "right"
    - ['']
  - - fallback_dns_option = "right"
    - ['']
  - - test_option = "main_backup_error"
    - ['']
  - - test_count = 20
    - [dummy]
  - - fallback_dns = "208.67.222.222"
    - ['']
  - - website_dns = "www.baidu.com"
    - ['']
  execution time: 0.3
  expected result: |-
    2.mode set ok
    3.connect ap sucess
    4.set fallback dns ok
    5.get dns IP ok
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP main ,backup DNS all error
    2.SSC1 set as mode
    3.SSC1 connect to ap
    4.set SSC1 fallback DNS
    5.SSC1 get website dns IP
  sub module: DNS
  summary: DNS fallback DNS right main backup error test
  test environment: SSC_T1_DNS
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
- CI ready: 'No'
  ID: TCPIP_DNS_0306
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "dns_dhcp_option"
    - ['']
  - - test_count = 20
    - [dummy]
  - - fallback_dns = "208.67.222.222"
    - ['']
  - - website_dns = "www.baidu.com"
    - ['']
  execution time: 0.3
  expected result: |-
    1.ap set ok
    2.set sta mode ok
    3.jap ok
    4.disable dhcp ok
    5.set static ip addr suc
    6.set fallback dns suc
    7.get dns ip suc
    8.dhcp start suc
    9.get dns ip ok
    11.jap ok
    12.get dns ip ok
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.AP main ,backup DNS all right
    2.set SSC1 to sta mode
    3.SSC1 connect to ap
    4.SSC1 disable dhcp
    5.SSC1 set static ip addr
    6.SSC1 set fallback dns
    7.SSC1 get website dns IP
    8.SSC1 start dhcp
    9.SSC1 get website dns IP
    10.SSC1 disconnect with ap
    11.SSC1 reconnet ap
    12.SSC1 get website dns IP
  sub module: DNS
  summary: DNS DHCP option test
  test environment: SSC_T1_DNS
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
- CI ready: 'No'
  ID: TCPIP_DNS_0307
  SDK: ESP32_IDF
  Test App: SSC
  auto test: 'Yes'
  category: Stable
  cmd set:
  - DNSTest/DNSTest
  - - test_mode = "softap_dns_test"
    - ['']
  - - test_count = 20
    - [dummy]
  - - main_dns = "208.67.222.222"
    - ['']
  execution time: 0.3
  expected result: |-
    1.set mode ok
    2.set mode ok
    3.sta connect softap suc
    4.disable dhcp ok
    5.set dns server suc
    6.set main dns suc
    7.SSC2 main dns must the same as SSC1
  initial condition: None
  level: Integration
  module: TCPIP
  steps: |-
    1.SSC1 set as softap
    2.SSC2 set as sta
    3.SSC2 connected softap
    4.SSC1 disable dhcp
    5.SSC1 dhcp action dns server
    6.SSC1 set main dns
    7.check SSC2 main dns server
  sub module: DNS
  summary: DNS softap DNS test
  test environment: SSC_T2_5
  test point 1: stress + function
  test point 2: DNS stress test
  version: v2 (2016-10-23)
