mirror of
https://github.com/fluencelabs/tendermint
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mv tmlibs files to libs dir
This commit is contained in:
Ethan Buchman
237
libs/cli/setup_test.go
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237
libs/cli/setup_test.go
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@ -0,0 +1,237 @@
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package cli
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import (
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"fmt"
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"io/ioutil"
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"strconv"
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"strings"
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"testing"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestSetupEnv(t *testing.T) {
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cases := []struct {
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args []string
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env map[string]string
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expected string
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}{
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{nil, nil, ""},
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{[]string{"--foobar", "bang!"}, nil, "bang!"},
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// make sure reset is good
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{nil, nil, ""},
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// test both variants of the prefix
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{nil, map[string]string{"DEMO_FOOBAR": "good"}, "good"},
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{nil, map[string]string{"DEMOFOOBAR": "silly"}, "silly"},
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// and that cli overrides env...
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{[]string{"--foobar", "important"},
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map[string]string{"DEMO_FOOBAR": "ignored"}, "important"},
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}
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for idx, tc := range cases {
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i := strconv.Itoa(idx)
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// test command that store value of foobar in local variable
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var foo string
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demo := &cobra.Command{
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Use: "demo",
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RunE: func(cmd *cobra.Command, args []string) error {
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foo = viper.GetString("foobar")
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return nil
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},
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}
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demo.Flags().String("foobar", "", "Some test value from config")
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cmd := PrepareBaseCmd(demo, "DEMO", "/qwerty/asdfgh") // some missing dir..
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cmd.Exit = func(int) {}
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viper.Reset()
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args := append([]string{cmd.Use}, tc.args...)
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err := RunWithArgs(cmd, args, tc.env)
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require.Nil(t, err, i)
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assert.Equal(t, tc.expected, foo, i)
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}
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}
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func tempDir() string {
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cdir, err := ioutil.TempDir("", "test-cli")
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if err != nil {
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panic(err)
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}
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return cdir
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}
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func TestSetupConfig(t *testing.T) {
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// we pre-create two config files we can refer to in the rest of
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// the test cases.
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cval1 := "fubble"
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conf1 := tempDir()
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err := WriteConfigVals(conf1, map[string]string{"boo": cval1})
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require.Nil(t, err)
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cases := []struct {
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args []string
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env map[string]string
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expected string
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expectedTwo string
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}{
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{nil, nil, "", ""},
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// setting on the command line
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{[]string{"--boo", "haha"}, nil, "haha", ""},
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{[]string{"--two-words", "rocks"}, nil, "", "rocks"},
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{[]string{"--home", conf1}, nil, cval1, ""},
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// test both variants of the prefix
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{nil, map[string]string{"RD_BOO": "bang"}, "bang", ""},
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{nil, map[string]string{"RD_TWO_WORDS": "fly"}, "", "fly"},
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{nil, map[string]string{"RDTWO_WORDS": "fly"}, "", "fly"},
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{nil, map[string]string{"RD_HOME": conf1}, cval1, ""},
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{nil, map[string]string{"RDHOME": conf1}, cval1, ""},
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}
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for idx, tc := range cases {
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i := strconv.Itoa(idx)
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// test command that store value of foobar in local variable
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var foo, two string
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boo := &cobra.Command{
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Use: "reader",
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RunE: func(cmd *cobra.Command, args []string) error {
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foo = viper.GetString("boo")
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two = viper.GetString("two-words")
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return nil
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},
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}
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boo.Flags().String("boo", "", "Some test value from config")
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boo.Flags().String("two-words", "", "Check out env handling -")
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cmd := PrepareBaseCmd(boo, "RD", "/qwerty/asdfgh") // some missing dir...
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cmd.Exit = func(int) {}
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viper.Reset()
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args := append([]string{cmd.Use}, tc.args...)
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err := RunWithArgs(cmd, args, tc.env)
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require.Nil(t, err, i)
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assert.Equal(t, tc.expected, foo, i)
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assert.Equal(t, tc.expectedTwo, two, i)
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}
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}
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type DemoConfig struct {
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Name string `mapstructure:"name"`
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Age int `mapstructure:"age"`
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Unused int `mapstructure:"unused"`
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}
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func TestSetupUnmarshal(t *testing.T) {
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// we pre-create two config files we can refer to in the rest of
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// the test cases.
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cval1, cval2 := "someone", "else"
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conf1 := tempDir()
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err := WriteConfigVals(conf1, map[string]string{"name": cval1})
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require.Nil(t, err)
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// even with some ignored fields, should be no problem
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conf2 := tempDir()
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err = WriteConfigVals(conf2, map[string]string{"name": cval2, "foo": "bar"})
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require.Nil(t, err)
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// unused is not declared on a flag and remains from base
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base := DemoConfig{
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Name: "default",
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Age: 42,
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Unused: -7,
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}
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c := func(name string, age int) DemoConfig {
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r := base
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// anything set on the flags as a default is used over
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// the default config object
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r.Name = "from-flag"
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if name != "" {
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r.Name = name
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}
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if age != 0 {
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r.Age = age
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}
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return r
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}
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cases := []struct {
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args []string
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env map[string]string
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expected DemoConfig
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}{
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{nil, nil, c("", 0)},
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// setting on the command line
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{[]string{"--name", "haha"}, nil, c("haha", 0)},
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{[]string{"--home", conf1}, nil, c(cval1, 0)},
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// test both variants of the prefix
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{nil, map[string]string{"MR_AGE": "56"}, c("", 56)},
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{nil, map[string]string{"MR_HOME": conf1}, c(cval1, 0)},
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{[]string{"--age", "17"}, map[string]string{"MRHOME": conf2}, c(cval2, 17)},
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}
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for idx, tc := range cases {
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i := strconv.Itoa(idx)
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// test command that store value of foobar in local variable
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cfg := base
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marsh := &cobra.Command{
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Use: "marsh",
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RunE: func(cmd *cobra.Command, args []string) error {
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return viper.Unmarshal(&cfg)
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},
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}
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marsh.Flags().String("name", "from-flag", "Some test value from config")
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// if we want a flag to use the proper default, then copy it
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// from the default config here
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marsh.Flags().Int("age", base.Age, "Some test value from config")
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cmd := PrepareBaseCmd(marsh, "MR", "/qwerty/asdfgh") // some missing dir...
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cmd.Exit = func(int) {}
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viper.Reset()
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args := append([]string{cmd.Use}, tc.args...)
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err := RunWithArgs(cmd, args, tc.env)
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require.Nil(t, err, i)
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assert.Equal(t, tc.expected, cfg, i)
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}
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}
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func TestSetupTrace(t *testing.T) {
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cases := []struct {
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args []string
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env map[string]string
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long bool
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expected string
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}{
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{nil, nil, false, "Trace flag = false"},
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{[]string{"--trace"}, nil, true, "Trace flag = true"},
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{[]string{"--no-such-flag"}, nil, false, "unknown flag: --no-such-flag"},
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{nil, map[string]string{"DBG_TRACE": "true"}, true, "Trace flag = true"},
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}
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for idx, tc := range cases {
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i := strconv.Itoa(idx)
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// test command that store value of foobar in local variable
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trace := &cobra.Command{
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Use: "trace",
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RunE: func(cmd *cobra.Command, args []string) error {
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return errors.Errorf("Trace flag = %t", viper.GetBool(TraceFlag))
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},
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}
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cmd := PrepareBaseCmd(trace, "DBG", "/qwerty/asdfgh") // some missing dir..
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cmd.Exit = func(int) {}
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viper.Reset()
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args := append([]string{cmd.Use}, tc.args...)
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stdout, stderr, err := RunCaptureWithArgs(cmd, args, tc.env)
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require.NotNil(t, err, i)
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require.Equal(t, "", stdout, i)
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require.NotEqual(t, "", stderr, i)
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msg := strings.Split(stderr, "\n")
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desired := fmt.Sprintf("ERROR: %s", tc.expected)
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assert.Equal(t, desired, msg[0], i)
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if tc.long && assert.True(t, len(msg) > 2, i) {
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// the next line starts the stack trace...
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assert.Contains(t, msg[1], "TestSetupTrace", i)
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assert.Contains(t, msg[2], "setup_test.go", i)
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}
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}
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}
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