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main_test.go
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main_test.go
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package main
import (
"fmt"
"os"
"os/exec"
"testing"
"time"
)
func TestOnePathOneCmd(t *testing.T) {
args := []string{"run", "main.go", "-p", "main_test.go", "echo %s-%d-%dname"}
bin := "go"
cmd := exec.Command(bin, args...)
out, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
sOut := string(out)
expected := `echo ./main_test.go-./-.: ./main_test.go-./-.
`
if sOut != expected {
t.Errorf("Expected=%q, got=%q\n", expected, sOut)
}
}
func TestOnePathTwoCmds(t *testing.T) {
args := []string{"run", "main.go", "-S", "-p", "main_test.go", "echo hello", "echo world"}
bin := "go"
cmd := exec.Command(bin, args...)
out, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
sOut := string(out)
expected := `echo hello: hello
echo world: world
`
if sOut != expected {
t.Errorf("Expected=%q, got=%q\n", expected, sOut)
}
}
func TestTwoPathsOneCmd(t *testing.T) {
args := []string{"run", "main.go", "-S", "-p", "main*", "echo %s"}
bin := "go"
cmd := exec.Command(bin, args...)
out, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
sOut := string(out)
expected := `echo ./main.go: ./main.go
echo ./main_test.go: ./main_test.go
`
if sOut != expected {
t.Errorf("Expected=%q, got=%q\n", expected, sOut)
}
}
func TestExecuteInSeries(t *testing.T) {
args := []string{"run", "main.go", "-S", "-p", "main.go", "sleep 1", "sleep 1", "sleep 1"}
bin := "go"
cmd := exec.Command(bin, args...)
elapsed := 0
shouldStop := false
go func() {
for {
select {
case <-time.After(1 * time.Millisecond):
if shouldStop {
break
} else {
elapsed++
}
}
}
}()
_, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
shouldStop = true
if elapsed < 3*1000 {
t.Errorf("Expected to take a long time\n")
}
}
func TestExecuteInParallel(t *testing.T) {
args := []string{"run", "main.go", "-p", "main.go", "sleep 1", "sleep 1", "sleep 1"}
bin := "go"
cmd := exec.Command(bin, args...)
elapsed := 0
shouldStop := false
go func() {
for {
select {
case <-time.After(1 * time.Millisecond):
if shouldStop {
break
} else {
elapsed++
}
}
}
}()
_, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
shouldStop = true
if elapsed > 2*1000 {
t.Errorf("Expected to take a short time\n")
}
}
func TestReportAFailure(t *testing.T) {
args := []string{"run", "main.go", "-p", "main.go", "nopnopnop"}
bin := "go"
cmd := exec.Command(bin, args...)
out, err := cmd.CombinedOutput()
if err == nil {
t.Errorf("Expected err!=nil, got err=%s\n", err)
}
if cmd.ProcessState.Success() == true {
t.Errorf("Expected success=false, got success=%t\n", true)
}
sOut := string(out)
expected := "nopnopnop: \n\n-------------\nThere were 1 error(s)\nexec: \"nopnopnop\": executable file not found in $PATH\nexit status 1\n"
if sOut != expected {
t.Errorf("Expected=%q, got=%q\n", expected, sOut)
}
}
func TestDry(t *testing.T) {
args := []string{"run", "main.go", "-p", "main.go", "-d", "mkdir -p tests/%fname"}
bin := "go"
cmd := exec.Command(bin, args...)
out, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
sOut := string(out)
expected := `mkdir -p tests/main
`
if sOut != expected {
t.Errorf("Expected=%q, got=%q\n", expected, sOut)
}
if _, err := os.Stat("tests/main"); !os.IsNotExist(err) {
t.Errorf("Expected directory %s to not exist\n", "tests/main")
}
}
func TestTokens(t *testing.T) {
args := []string{"run", "main.go", "-p", "main.go", "-d", "echo %fname", "echo %f", "echo %s", "echo %d", "echo %dname"}
bin := "go"
cmd := exec.Command(bin, args...)
out, err := cmd.CombinedOutput()
mustSucceed(t, cmd, err)
sOut := string(out)
expected := `echo main
echo main.go
echo ./main.go
echo ./
echo .
`
if sOut != expected {
t.Errorf("Expected=%q, got=%q\n", expected, sOut)
}
}
func mustSucceed(t *testing.T, cmd *exec.Cmd, err error) bool {
if err != nil {
fmt.Println(err)
t.Errorf("Expected err=nil, got err=%s\n", err)
return false
}
if cmd.ProcessState.Success() == false {
t.Errorf("Expected success=true, got success=%t\n", true)
return false
}
return true
}