zs/zs_test.go

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package main
import (
"bytes"
"fmt"
"log"
"os"
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"os/exec"
"strings"
"testing"
)
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func TestSplit2(t *testing.T) {
if a, b := split2("a:b", ":"); a != "a" || b != "b" {
t.Fail()
}
if a, b := split2(":b", ":"); a != "" || b != "b" {
t.Fail()
}
if a, b := split2("a:", ":"); a != "a" || b != "" {
t.Fail()
}
if a, b := split2(":", ":"); a != "" || b != "" {
t.Fail()
}
if a, b := split2("a", ":"); a != "a" || b != "" {
t.Fail()
}
if a, b := split2("", ":"); a != "" || b != "" {
t.Fail()
}
}
func TestMD(t *testing.T) {
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v, body := md("foo.md", `
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title: Hello, world!
keywords: foo, bar, baz
empty:
bayan: [:|||:]
this: is a content`)
if v["title"] != "Hello, world!" {
t.Error()
}
if v["keywords"] != "foo, bar, baz" {
t.Error()
}
if s, ok := v["empty"]; !ok || len(s) != 0 {
t.Error()
}
if v["bayan"] != "[:|||:]" {
t.Error()
}
if body != "this: is a content" {
t.Error(body)
}
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// Test empty md
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v, body = md("foo.md", "")
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if len(v) != 0 || len(body) != 0 {
t.Error(v, body)
}
// Test empty header
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v, body = md("foo.md", "Hello")
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if len(v) != 0 || body != "Hello" {
t.Error(v, body)
}
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}
func TestRender(t *testing.T) {
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eval := func(a []string, vars map[string]string) (string, error) {
return "hello", nil
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}
vars := map[string]string{"foo": "bar"}
if s, err := render("plain text", vars, eval); err != nil || s != "plain text" {
t.Error()
}
if s, err := render("a {{greet}} text", vars, eval); err != nil || s != "a hello text" {
t.Error()
}
if s, err := render("{{greet}} x{{foo}}z", vars, eval); err != nil || s != "hello xbarz" {
t.Error()
}
// Test error case
if s, err := render("a {{greet text ", vars, eval); err == nil || len(s) != 0 {
t.Error()
}
}
func TestEnv(t *testing.T) {
e := env(map[string]string{"foo": "bar", "baz": "hello world"})
mustHave := []string{"ZS=" + os.Args[0], "ZS_FOO=bar", "ZS_BAZ=hello world", "PATH="}
for _, s := range mustHave {
found := false
for _, v := range e {
if strings.HasPrefix(v, s) {
found = true
break
}
}
if !found {
t.Error("Missing", s)
}
}
}
func TestRun(t *testing.T) {
out := bytes.NewBuffer(nil)
err := run("some_unbelievable_command_name", []string{}, map[string]string{}, out)
if err == nil {
t.Error()
}
out = bytes.NewBuffer(nil)
err = run(os.Args[0], []string{"-test.run=TestHelperProcess"},
map[string]string{"helper": "1", "out": "foo", "err": "bar"}, out)
if err != nil {
t.Error(err)
}
if out.String() != "foo\n" {
t.Error(out.String())
}
}
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func TestEvalCommand(t *testing.T) {
s, err := eval([]string{"echo", "hello"}, map[string]string{})
if err != nil {
t.Error(err)
}
if s != "hello\n" {
t.Error(s)
}
_, err = eval([]string{"cat", "bogus/file"}, map[string]string{})
if _, ok := err.(*exec.ExitError); !ok {
t.Error("expected ExitError")
}
_, err = eval([]string{"missing command"}, map[string]string{})
if err != nil {
t.Error("missing command should be ignored")
}
}
func TestHelperProcess(*testing.T) {
if os.Getenv("ZS_HELPER") != "1" {
return
}
defer os.Exit(0) // TODO check exit code
log.Println(os.Getenv("ZS_ERR")) // stderr
fmt.Println(os.Getenv("ZS_OUT")) // stdout
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}