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zhangsk
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| Copyright 2017 - Greg Haskins <gregory.haskins@gmail.com> | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package egolang | ||
|
|
||
| import ( | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| type Env map[string]string | ||
|
|
||
| func getEnv() Env { | ||
| env := make(Env) | ||
| for _, entry := range os.Environ() { | ||
| tokens := strings.SplitN(entry, "=", 2) | ||
| if len(tokens) > 1 { | ||
| env[tokens[0]] = tokens[1] | ||
| } | ||
| } | ||
|
|
||
| return env | ||
| } | ||
|
|
||
| func getGoEnv() (Env, error) { | ||
| env := getEnv() | ||
|
|
||
| goenvbytes, err := runProgram(env, 10*time.Second, "ego-go", "env") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| goenv := make(Env) | ||
|
|
||
| envout := strings.Split(string(goenvbytes), "\n") | ||
| for _, entry := range envout { | ||
| tokens := strings.SplitN(entry, "=", 2) | ||
| if len(tokens) > 1 { | ||
| goenv[tokens[0]] = strings.Trim(tokens[1], "\"") | ||
| } | ||
| } | ||
|
|
||
| return goenv, nil | ||
| } | ||
|
|
||
| func flattenEnv(env Env) []string { | ||
| result := make([]string, 0) | ||
| for k, v := range env { | ||
| result = append(result, k+"="+v) | ||
| } | ||
|
|
||
| return result | ||
| } | ||
|
|
||
| type Paths map[string]bool | ||
|
|
||
| func splitEnvPaths(value string) Paths { | ||
| _paths := filepath.SplitList(value) | ||
| paths := make(Paths) | ||
| for _, path := range _paths { | ||
| paths[path] = true | ||
| } | ||
| return paths | ||
| } | ||
|
|
||
| func flattenEnvPaths(paths Paths) string { | ||
|
|
||
| _paths := make([]string, 0) | ||
| for path := range paths { | ||
| _paths = append(_paths, path) | ||
| } | ||
|
|
||
| return strings.Join(_paths, string(os.PathListSeparator)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| Copyright 2017 - Greg Haskins <gregory.haskins@gmail.com> | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package egolang | ||
|
|
||
| import ( | ||
| "os" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func Test_splitEnvPath(t *testing.T) { | ||
| paths := splitEnvPaths("foo" + string(os.PathListSeparator) + "bar" + string(os.PathListSeparator) + "baz") | ||
| assert.Equal(t, len(paths), 3) | ||
| } | ||
|
|
||
| func Test_getGoEnv(t *testing.T) { | ||
| goenv, err := getGoEnv() | ||
| assert.NoError(t, err) | ||
|
|
||
| _, ok := goenv["GOPATH"] | ||
| assert.Equal(t, ok, true) | ||
|
|
||
| _, ok = goenv["GOROOT"] | ||
| assert.Equal(t, ok, true) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| Copyright 2017 - Greg Haskins <gregory.haskins@gmail.com> | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package egolang | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "fmt" | ||
| "os/exec" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| //runProgram non-nil Env, timeout (typically secs or millisecs), program name and args | ||
| func runProgram(env Env, timeout time.Duration, pgm string, args ...string) ([]byte, error) { | ||
| if env == nil { | ||
| return nil, fmt.Errorf("<%s, %v>: nil env provided", pgm, args) | ||
| } | ||
|
|
||
| ctx, cancel := context.WithTimeout(context.Background(), timeout) | ||
| defer cancel() | ||
| cmd := exec.CommandContext(ctx, pgm, args...) | ||
| cmd.Env = flattenEnv(env) | ||
| stdErr := &bytes.Buffer{} | ||
| cmd.Stderr = stdErr | ||
|
|
||
| out, err := cmd.Output() | ||
|
|
||
| if ctx.Err() == context.DeadlineExceeded { | ||
| err = fmt.Errorf("timed out after %s", timeout) | ||
| } | ||
|
|
||
| if err != nil { | ||
| return nil, | ||
| fmt.Errorf( | ||
| "command <%s %s>: failed with error: \"%s\"\n%s", | ||
| pgm, | ||
| strings.Join(args, " "), | ||
| err, | ||
| string(stdErr.Bytes())) | ||
| } | ||
| return out, nil | ||
| } | ||
|
|
||
| // Logic inspired by: https://dave.cheney.net/2014/09/14/go-list-your-swiss-army-knife | ||
| func list(env Env, template, pkg string) ([]string, error) { | ||
| if env == nil { | ||
| env = getEnv() | ||
| } | ||
|
|
||
| lst, err := runProgram(env, 60*time.Second, "go", "list", "-f", template, pkg) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return strings.Split(strings.Trim(string(lst), "\n"), "\n"), nil | ||
| } | ||
|
|
||
| func listDeps(env Env, pkg string) ([]string, error) { | ||
| return list(env, "{{ join .Deps \"\\n\"}}", pkg) | ||
| } | ||
|
|
||
| func listImports(env Env, pkg string) ([]string, error) { | ||
| return list(env, "{{ join .Imports \"\\n\"}}", pkg) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| Copyright 2017 - Greg Haskins <gregory.haskins@gmail.com> | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package egolang | ||
|
|
||
| import ( | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func Test_listDeps(t *testing.T) { | ||
| _, err := listDeps(nil, "github.com/hyperledger/fabric/peer") | ||
| if err != nil { | ||
| t.Errorf("list failed: %s", err) | ||
| } | ||
| } | ||
|
|
||
| func Test_runProgram(t *testing.T) { | ||
| _, err := runProgram( | ||
| getEnv(), | ||
| 10*time.Millisecond, | ||
| "go", | ||
| "build", | ||
| "github.com/hyperledger/fabric/peer", | ||
| ) | ||
| assert.Contains(t, err.Error(), "timed out") | ||
|
|
||
| _, err = runProgram( | ||
| getEnv(), | ||
| 1*time.Second, | ||
| "go", | ||
| "cmddoesnotexist", | ||
| ) | ||
| assert.Contains(t, err.Error(), "unknown command") | ||
| } |
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