package flecmd /* Copyright © 2020 Jean-Marc Meessen, ON4KJM 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. */ import ( "FLEcli/fleprocess" "bytes" "fmt" "io" "os" "strings" "testing" ) func Test_ExecuteCommand_help(t *testing.T) { cmd := loadCmdConstructor() b := bytes.NewBufferString("") cmd.SetOut(b) cmd.SetArgs([]string{"--help"}) cmdErr := cmd.Execute() if cmdErr != nil { t.Fatal(cmdErr) } out, err := io.ReadAll(b) if err != nil { t.Fatal(err) } expectedOutput := "Loads and validates a FLE type shorthand logfile\n\nUsage:\n load [flags] inputFile\n\nFlags:\n -h, --help help for load\n" if string(out) != expectedOutput { t.Fatalf("expected \"%s\" got \"%s\"", expectedOutput, string(out)) } } func Test_ExecuteCommand_noArgs(t *testing.T) { cmd := loadCmdConstructor() b := bytes.NewBufferString("") cmd.SetOut(b) //cmd.SetArgs([]string{""}) cmdErr := cmd.Execute() if cmdErr != nil { errString := cmdErr.Error() if errString != "Missing input file " { t.Fatal(cmdErr) } } else { t.Fatalf("Call should have failed with an error") } out, err := io.ReadAll(b) if err != nil { t.Fatal(err) } expectedOutputStart := "Usage:\n load [flags] inputFile" if !strings.HasPrefix(string(out), expectedOutputStart) { t.Fatalf("expected to start with \"%s\" got \"%s\"", expectedOutputStart, string(out)) } } func Test_ExecuteCommand_toManyArgs(t *testing.T) { cmd := loadCmdConstructor() b := bytes.NewBufferString("") cmd.SetOut(b) cmd.SetArgs([]string{"blaaahh", "blaaahh", "blaaahh"}) cmdErr := cmd.Execute() if cmdErr != nil { errString := cmdErr.Error() if errString != "Too many arguments." { t.Fatal(cmdErr) } } else { t.Fatalf("Call should have failed with an error") } out, err := io.ReadAll(b) if err != nil { t.Fatal(err) } expectedOutputStart := "Usage:\n load [flags] inputFile" if !strings.HasPrefix(string(out), expectedOutputStart) { t.Fatalf("expected to start with \"%s\" got \"%s\"", expectedOutputStart, string(out)) } } func Test_ExecuteCommand_happyCase(t *testing.T) { processLoadFile = mockLoadFile //Capture output rescueStdout := os.Stdout r, w, _ := os.Pipe() os.Stdout = w cmd := loadCmdConstructor() cmd.SetArgs([]string{"data.txt"}) cmdErr := cmd.Execute() //Close the capture and get the data w.Close() out, _ := io.ReadAll(r) os.Stdout = rescueStdout if cmdErr != nil { t.Fatalf("Unexpected error executing command: %s", cmdErr) } if string(out) != "fileLoad via mock" { t.Fatalf("Expected \"fileLoad via mock\". Got \"%s\"", string(out)) } } func mockLoadFile(inputFilename string, isInterpolateTime bool) (filleFullLog []fleprocess.LogLine, isProcessedOK bool) { fmt.Print("fileLoad via mock") return nil, true }