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add tests for custom error messages

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This commit is contained in:
Aaron Berns 2019-09-09 17:01:24 -04:00
parent f8eb02c99d
commit 4d4a5d3b38
1 changed files with 102 additions and 0 deletions
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102
app_test.go
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@ -1084,6 +1084,33 @@ func TestRequiredFlagAppRunBehavior(t *testing.T) {
}},
expectedAnError: true,
},
{
testCase: "error_case_empty_input_with_required_flag_and_custom_error_message_on_app",
appRunInput: []string{"myCLI"},
appFlags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}},
expectedAnError: true,
},
{
testCase: "error_case_empty_input_with_required_flag_and_custom_error_message_on_command",
appRunInput: []string{"myCLI", "myCommand"},
appCommands: []Command{{
Name: "myCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}},
}},
expectedAnError: true,
},
{
testCase: "error_case_empty_input_with_required_flag_and_custom_error_message_on_subcommand",
appRunInput: []string{"myCLI", "myCommand", "mySubCommand"},
appCommands: []Command{{
Name: "myCommand",
Subcommands: []Command{{
Name: "mySubCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}},
}},
}},
expectedAnError: true,
},
// assertion: inputing --help, when a required flag is present, does not error
{
testCase: "valid_case_help_input_with_required_flag_on_app",
@ -1109,6 +1136,30 @@ func TestRequiredFlagAppRunBehavior(t *testing.T) {
}},
}},
},
{
testCase: "valid_case_help_input_with_required_flag_and_custom_error_message_on_app",
appRunInput: []string{"myCLI", "--help"},
appFlags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}},
},
{
testCase: "valid_case_help_input_with_required_flag_and_custom_error_message_on_command",
appRunInput: []string{"myCLI", "myCommand", "--help"},
appCommands: []Command{{
Name: "myCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}},
}},
},
{
testCase: "valid_case_help_input_with_required_flag_and_custom_error_message_on_subcommand",
appRunInput: []string{"myCLI", "myCommand", "mySubCommand", "--help"},
appCommands: []Command{{
Name: "myCommand",
Subcommands: []Command{{
Name: "mySubCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}},
}},
}},
},
// assertion: giving optional input, when a required flag is present, errors
{
testCase: "error_case_optional_input_with_required_flag_on_app",
@ -1137,6 +1188,33 @@ func TestRequiredFlagAppRunBehavior(t *testing.T) {
}},
expectedAnError: true,
},
{
testCase: "error_case_optional_input_with_required_flag_and_custom_error_message_on_app",
appRunInput: []string{"myCLI", "--optional", "cats"},
appFlags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}, StringFlag{Name: "optional"}},
expectedAnError: true,
},
{
testCase: "error_case_optional_input_with_required_flag_and_custom_error_message_on_command",
appRunInput: []string{"myCLI", "myCommand", "--optional", "cats"},
appCommands: []Command{{
Name: "myCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}, StringFlag{Name: "optional"}},
}},
expectedAnError: true,
},
{
testCase: "error_case_optional_input_with_required_flag_and_custom_error_message_on_subcommand",
appRunInput: []string{"myCLI", "myCommand", "mySubCommand", "--optional", "cats"},
appCommands: []Command{{
Name: "myCommand",
Subcommands: []Command{{
Name: "mySubCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}, StringFlag{Name: "optional"}},
}},
}},
expectedAnError: true,
},
// assertion: when a required flag is present, inputting that required flag does not error
{
testCase: "valid_case_required_flag_input_on_app",
@ -1162,6 +1240,30 @@ func TestRequiredFlagAppRunBehavior(t *testing.T) {
}},
}},
},
{
testCase: "valid_case_required_flag_input_on_app_with_custom_error_message",
appRunInput: []string{"myCLI", "--requiredFlag", "cats"},
appFlags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}, StringFlag{Name: "optional"}},
},
{
testCase: "valid_case_required_flag_input_on_command_with_custom_error_message",
appRunInput: []string{"myCLI", "myCommand", "--requiredFlag", "cats"},
appCommands: []Command{{
Name: "myCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}, StringFlag{Name: "optional"}},
}},
},
{
testCase: "valid_case_required_flag_input_on_subcommand_with_custom_error_message",
appRunInput: []string{"myCLI", "myCommand", "mySubCommand", "--requiredFlag", "cats"},
appCommands: []Command{{
Name: "myCommand",
Subcommands: []Command{{
Name: "mySubCommand",
Flags: []Flag{StringFlag{Name: "requiredFlag", Required: true, RequiredFlagErr: FlagErr{Custom: true, Message:`custom error`}}, StringFlag{Name: "optional"}},
}},
}},
},
}
for _, test := range tdata {
t.Run(test.testCase, func(t *testing.T) {