Unit testing

How to ensure high quality components.

We recommend adding unit tests to all of your components in a project as soon as possible. Implementing unit tests not only ensures that your component works, but it also makes the project more maintainable in the long run as you will be notified when a component breaks.

This page describes how to add a unit test to your component.

Create unit test

Below is an example of how to add a unit test to a Viash component.

#!/bin/bash

## VIASH START
meta_executable="target/example_bash"
## VIASH END

echo ">>> Create input test file"
echo "foo" > foo.txt

echo ">>> Run executable"
$meta_executable --input foo.txt --output bar.txt

echo ">>> Check whether output file exists"
[[ -f bar.txt ]] (echo "Output file could not be found!" && exit 1)

echo ">>> Check whether input and output file are the same"
cmp foo.txt bar.tx (echo "Input and output files are different!" && exit 1)

echo ">>> Test finished successfully"
using System;
using System.IO;
using System.Diagnostics;

// VIASH START
var meta = new {
  executable = "target/example_csharp"
};
// VIASH END

string inputPath = "foo.txt";
string outputPath = "bar.txt";
string content = "hello\nthere\n";

Console.WriteLine(">>> Create input test file");
File.WriteAllText(inputPath, content);

Console.WriteLine(">>> Run executable");

var startInfo = new ProcessStartInfo(meta.executable)
{
    Arguments = $"--input {inputPath} --output {outputPath}",
    UseShellExecute = false,
    RedirectStandardOutput = true,
    CreateNoWindow = true
};
using(var cmd = Process.Start(startInfo))
{
    cmd.WaitForExit();
}


Console.WriteLine(">>> Check whether output file exists");
if (!File.Exists(outputPath)) {
    Console.WriteLine("Output file was not found");
    Environment.Exit(1);
}

Console.WriteLine(">>> Check whether input and output file are the same");
var outputLines = File.ReadAllText(outputPath);
if (content != outputLines) {
    Console.WriteLine(
        "Input and output should be the same\n" +
        $"expected content: {content}\n" +
        $"found: {outputLines}\n"
    );
    Environment.Exit(1);
}

Console.WriteLine(">>> Test finished successfully");
const fs = require('fs');
const child_process = require('child_process');

// VIASH START
let meta = {
  'executable': 'target/example_js'
};
// VIASH END

const inputPath = 'foo.txt';
const outputPath = 'bar.txt';
const content = 'hello\nthere\n';

console.log('>>> Create input test file');
fs.writeFileSync(inputPath, content, 'utf8');

console.log('>>> Run executable');
const cmdArgs = [
  '--input', inputPath,
  '--output', outputPath
];
const child = child_process.spawnSync(meta["executable"], cmdArgs);
if (child.error) {
  console.error(`Error: ${child.error}`);
  process.exit(1);
}

console.log('>>> Check whether output file exists');
if (!fs.existsSync(outputPath)) {
  console.error('Output file was not found');
  process.exit(1);
}

console.log('>>> Check whether input and output file are the same');
const outputLines = fs.readFileSync(outputPath, 'utf8');
if (content !== outputLines) {
  console.error(
    `Input and output should be the same\n` +
    `expected content: ${content}\n` +
    `found: ${outputLines}\n`
  );
  process.exit(1);
}

console.log('>>> Test finished successfully');
import subprocess
import os

input_path = "foo.txt"
output_path = "bar.txt"
content = "hello\nthere\n"

## VIASH START
meta = {
  "executable": "target/example_python"
}
## VIASH END

print(">>> Create input test file")
with open(input_path, "w") as file:
  file.write(content)

print(">>> Run executable")
cmd_args = [
  meta["executable"],
  "--input", input_path,
  "--output", output_path
]
subprocess.run(cmd_args, check=True)

print(">>> Check whether output file exists")
assert os.path.exists(output_path), "Output file was not found"

print(">>> Check whether input and output file are the same")
with open(output_path, "r", encoding="utf8") as file:
  output_lines = file.read()

assert content == output_lines, \
  "Input and output should be the same" \
  f"expected content: {content}" \
  f"found: {output_lines}"

print(">>> Test finished successfully")
## VIASH START
meta <- list(
  "target/example_r"
)
## VIASH END

input_path <- "foo.txt"
output_path <- "bar.txt"
content <- c("hello", "there")

cat(">>> Create input test file\n")
writeLines(content, input_path)

cat(">>> Run executable\n")
system2(
  meta$executable,
  c(
    "--input", input_path,
    "--output", output_path
  )
)

cat(">>> Check whether output file exists\n")
if (!file.exists(output_path)) {
  stop("Output file was not found")
}

cat(">>> Check whether input and output file are the same\n")
output_lines <- readLines(output_path)

if (!identical(content, output_lines)) {
  stop(paste0(
    "Input and output should be the same\n",
    "expected content: ", content, "\n",
    "found: ", output_lines, "\n"
  ))
}

cat(">>> Test finished successfully\n")
import scala.sys.process._
import java.nio.file.{Files, Paths}
import scala.io.Source

// VIASH START
case class ViashMeta(executable: String)
val meta = ViashMeta(
  "target/example_scala"
)
// VIASH END
val inputPath = Paths.get("foo.txt")
val outputPath = Paths.get("bar.txt")
val content = "hello\nthere"

println(">>> Create input test file")
Files.write(inputPath, content.getBytes("UTF-8"))

println(">>> Run executable")
s"${meta.executable} --input $inputPath --output $outputPath".!

println(">>> Check whether output file exists")
assert(Files.exists(outputPath), "Output file not found")

println(">>> Check whether input and output file are the same")
val outputLines = Source.fromFile(outputPath.toFile()).getLines.mkString("\n")
assert(
  content == outputLines, 
  s"""Output not the same
expected: '$content'
found: '$outputLines'
""".stripMargin
)

println(">>> Test finished successfully")
  1. Create an input file “foo.txt” with some sample content.
  2. Run an executable file specified in the “meta” dictionary with the arguments “–input foo.txt” and “–output bar.txt”.
  3. Check whether the output file “bar.txt” exists.
  4. Check whether the content of the output file is the same as the content of the input file.
  5. If both checks pass, the script prints “Test finished successfully”.
Important

A test script doesn’t need to be written in the same scripting language as the main script, as long as all of the required dependencies are available. This means the main script could be written in R, but the unit test could be written in Bash.

Add test to config

Next, we need to add the unit test to the test_resources section in the Viash config.

name: example_bash
description: A minimal example component.
arguments:
  - type: file
    name: --input
    example: file.txt
    required: true
  - type: file
    name: --output
    direction: output
    example: output.txt
    required: true
resources:
  - type: bash_script
    path: script.sh
engines:
  - type: docker
    image: bash:4.0
  - type: native
runners:
  - type: executable
  - type: nextflow
test_resources:
  - type: bash_script
    path: test.sh
name: example_csharp
description: A minimal example component.
arguments:
  - type: file
    name: --input
    example: file.txt
    required: true
  - type: file
    name: --output
    direction: output
    example: output.txt
    required: true
resources:
  - type: csharp_script
    path: script.csx
engines:
  - type: docker
    image: ghcr.io/data-intuitive/dotnet-script:1.3.1
  - type: native
runners:
  - type: executable
  - type: nextflow
test_resources:
  - type: csharp_script
    path: test.csx
name: example_js
description: A minimal example component.
arguments:
  - type: file
    name: --input
    example: file.txt
    required: true
  - type: file
    name: --output
    direction: output
    example: output.txt
    required: true
resources:
  - type: javascript_script
    path: script.js
engines:
  - type: docker
    image: node:19-bullseye-slim
  - type: native
runners:
  - type: executable
  - type: nextflow
test_resources:
  - type: javascript_script
    path: test.js
name: example_python
description: A minimal example component.
arguments:
  - type: file
    name: --input
    example: file.txt
    required: true
  - type: file
    name: --output
    direction: output
    example: output.txt
    required: true
resources:
  - type: python_script
    path: script.py
engines:
  - type: docker
    image: python:3.10-slim
  - type: native
runners:
  - type: executable
  - type: nextflow
test_resources:
  - type: python_script
    path: test.py
name: example_r
description: A minimal example component.
arguments:
  - type: file
    name: --input
    example: file.txt
    required: true
  - type: file
    name: --output
    direction: output
    example: output.txt
    required: true
resources:
  - type: r_script
    path: script.R
engines:
  - type: docker
    image: eddelbuettel/r2u:22.04
  - type: native
runners:
  - type: executable
  - type: nextflow
test_resources:
  - type: r_script
    path: test.R
name: example_scala
description: A minimal example component.
arguments:
  - type: file
    name: --input
    example: file.txt
    required: true
  - type: file
    name: --output
    direction: output
    example: output.txt
    required: true
resources:
  - type: scala_script
    path: script.scala
engines:
  - type: docker
    image: sbtscala/scala-sbt:eclipse-temurin-19_36_1.7.2_2.13.10
  - type: native
runners:
  - type: executable
  - type: nextflow
test_resources:
  - type: scala_script
    path: test.scala

Note that if you can add multiple unit tests to the test_resources section, they will all be evaluated. You can also add other resources, similar to what is described in the page on adding resources.

Run the unit test

You can run the unit test as follows:

viash test config.vsh.yaml
Running tests in temporary directory: '/tmp/viash_test_example_bash_10815843612882776530'
====================================================================
+/tmp/viash_test_example_bash_10815843612882776530/build_engine_environment/example_bash ---verbosity 6 ---setup cachedbuild ---engine docker
[notice] Building container 'example_bash:test' with Dockerfile
[info] docker build -t 'example_bash:test'  '/tmp/viash_test_example_bash_10815843612882776530/build_engine_environment' -f '/tmp/viash_test_example_bash_10815843612882776530/build_engine_environment/tmp/dockerbuild-example_bash-ANCxgG/Dockerfile'
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 276B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/bash:4.0
#2 DONE 0.4s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [1/1] FROM docker.io/library/bash:4.0@sha256:f87f92715e41396d68f8a3bf080612bed482d309d11c1b8391405f7762bca396
#4 resolve docker.io/library/bash:4.0@sha256:f87f92715e41396d68f8a3bf080612bed482d309d11c1b8391405f7762bca396 done
#4 sha256:f6b3f0f2103107f2824fcf746b54294cf1d2ad7ea37703c3e24298ad08592591 5.34kB / 5.34kB done
#4 sha256:f18232174bc91741fdf3da96d85011092101a032a93a388b79e99e69c2d5c870 3.64MB / 3.64MB 0.1s
#4 sha256:6b8e277eac10a84839af191c2b7addb8c80df106b649784b7032524839c6a9d8 0B / 1.59kB 0.1s
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#4 extracting sha256:f18232174bc91741fdf3da96d85011092101a032a93a388b79e99e69c2d5c870 0.1s done
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#4 extracting sha256:ff17598e55851a14311a122e09cddf923ea84c50a64e2a3af286a9c46533f8ee done
#4 DONE 0.3s

#5 exporting to image
#5 exporting layers done
#5 writing image sha256:0b07492c9ad4e49b9f20b77f4c6ddf0418c2f0362b7350620ed09ddfdcadb924 done
#5 naming to docker.io/library/example_bash:test done
#5 DONE 0.0s
====================================================================
+/tmp/viash_test_example_bash_10815843612882776530/test_test/test_executable
>>> Create input test file
>>> Run executable
Copying 'foo.txt' to 'bar.txt'.
>>> Check whether output file exists
>>> Check whether input and output file are the same
>>> Test finished successfully
====================================================================
SUCCESS! All 1 out of 1 test scripts succeeded!
Cleaning up temporary directory
viash test config.vsh.yaml
Running tests in temporary directory: '/tmp/viash_test_example_csharp_11225048638004126066'
====================================================================
+/tmp/viash_test_example_csharp_11225048638004126066/build_engine_environment/example_csharp ---verbosity 6 ---setup cachedbuild ---engine docker
[notice] Building container 'example_csharp:test' with Dockerfile
[info] docker build -t 'example_csharp:test'  '/tmp/viash_test_example_csharp_11225048638004126066/build_engine_environment' -f '/tmp/viash_test_example_csharp_11225048638004126066/build_engine_environment/tmp/dockerbuild-example_csharp-UYvnkM/Dockerfile'
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 312B done
#1 DONE 0.0s

#2 [internal] load metadata for ghcr.io/data-intuitive/dotnet-script:1.3.1
#2 DONE 0.3s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [1/1] FROM ghcr.io/data-intuitive/dotnet-script:1.3.1@sha256:d95bf2a2b3e095e5b02960ab4ddd4674d798a1493ed0dc5cf427c77a5ed90ed3
#4 resolve ghcr.io/data-intuitive/dotnet-script:1.3.1@sha256:d95bf2a2b3e095e5b02960ab4ddd4674d798a1493ed0dc5cf427c77a5ed90ed3 done
#4 extracting sha256:df9b9388f04ad6279a7410b85cedfdcb2208c0a003da7ab5613af71079148139
#4 extracting sha256:df9b9388f04ad6279a7410b85cedfdcb2208c0a003da7ab5613af71079148139 0.1s done
#4 sha256:d95bf2a2b3e095e5b02960ab4ddd4674d798a1493ed0dc5cf427c77a5ed90ed3 856B / 856B done
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#4 sha256:6c2be99410893469a9e0d8f0ff537b22f651479bf64c5dcf269d2e5267e85749 20.91MB / 20.91MB 0.3s done
#4 extracting sha256:3ae3a38ed752842e75d1609c931b29e565b53c24229c87bf1ba64251b5f1f094
#4 sha256:4937da28ea60b32af53a8d507ea830228a05f22a7be2ae1ef0134bcd0e3bafba 0B / 68.90MB 0.3s
#4 sha256:5e733ff9c30825005ec05ee10b784276e8034171be7eeaa10d6f876fc7bb5383 6.84MB / 12.80MB 0.3s
#4 sha256:5a0c86bcd85d690fae1d36f59c4041c4142835310a431e3f1b00446763d7db73 53.48MB / 105.91MB 0.5s
#4 extracting sha256:3ae3a38ed752842e75d1609c931b29e565b53c24229c87bf1ba64251b5f1f094 0.1s done
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#4 sha256:4937da28ea60b32af53a8d507ea830228a05f22a7be2ae1ef0134bcd0e3bafba 68.90MB / 68.90MB 0.6s
#4 sha256:03ac08f8f1d3c646d8f456ad0e2307b56511e692bcef7a4d67ec194ba81f59e7 103B / 103B 0.5s done
#4 extracting sha256:d772c6b09cca24a6ec7cb06facff8b7be509b608330bd035f91b70388a94d3b4 0.1s
#4 sha256:5a0c86bcd85d690fae1d36f59c4041c4142835310a431e3f1b00446763d7db73 105.91MB / 105.91MB 0.7s
#4 sha256:4937da28ea60b32af53a8d507ea830228a05f22a7be2ae1ef0134bcd0e3bafba 68.90MB / 68.90MB 0.6s done
#4 sha256:5a0c86bcd85d690fae1d36f59c4041c4142835310a431e3f1b00446763d7db73 105.91MB / 105.91MB 0.7s done
#4 extracting sha256:d772c6b09cca24a6ec7cb06facff8b7be509b608330bd035f91b70388a94d3b4 0.4s done
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#4 extracting sha256:2c56128c63bdf4a1d571ed930304f4eb77e8e2fde7ce03ddf6073e3df9abf8ad 0.1s done
#4 extracting sha256:6c2be99410893469a9e0d8f0ff537b22f651479bf64c5dcf269d2e5267e85749 0.1s
#4 extracting sha256:6c2be99410893469a9e0d8f0ff537b22f651479bf64c5dcf269d2e5267e85749 0.2s done
#4 extracting sha256:5a0c86bcd85d690fae1d36f59c4041c4142835310a431e3f1b00446763d7db73
#4 extracting sha256:5a0c86bcd85d690fae1d36f59c4041c4142835310a431e3f1b00446763d7db73 1.8s done
#4 extracting sha256:5e733ff9c30825005ec05ee10b784276e8034171be7eeaa10d6f876fc7bb5383
#4 extracting sha256:5e733ff9c30825005ec05ee10b784276e8034171be7eeaa10d6f876fc7bb5383 0.3s done
#4 extracting sha256:4937da28ea60b32af53a8d507ea830228a05f22a7be2ae1ef0134bcd0e3bafba
#4 extracting sha256:4937da28ea60b32af53a8d507ea830228a05f22a7be2ae1ef0134bcd0e3bafba 0.5s done
#4 extracting sha256:16def9f17d8d9988a074a1d3ae42cb041b261068b3a455c99141bb8df243e9a4
#4 extracting sha256:16def9f17d8d9988a074a1d3ae42cb041b261068b3a455c99141bb8df243e9a4 0.0s done
#4 extracting sha256:03ac08f8f1d3c646d8f456ad0e2307b56511e692bcef7a4d67ec194ba81f59e7 done
#4 DONE 4.9s

#5 exporting to image
#5 exporting layers done
#5 writing image sha256:4fa3a42db576c7a6c87684373a5881fc892cbd78e344fb50051039d60d135d27 done
#5 naming to docker.io/library/example_csharp:test done
#5 DONE 0.0s
====================================================================
+/tmp/viash_test_example_csharp_11225048638004126066/test_test/test_executable
>>> Create input test file
>>> Run executable
>>> Check whether output file exists
>>> Check whether input and output file are the same
>>> Test finished successfully
====================================================================
SUCCESS! All 1 out of 1 test scripts succeeded!
Cleaning up temporary directory
viash test config.vsh.yaml
Running tests in temporary directory: '/tmp/viash_test_example_js_1586698615800181017'
====================================================================
+/tmp/viash_test_example_js_1586698615800181017/build_engine_environment/example_js ---verbosity 6 ---setup cachedbuild ---engine docker
[notice] Building container 'example_js:test' with Dockerfile
[info] docker build -t 'example_js:test'  '/tmp/viash_test_example_js_1586698615800181017/build_engine_environment' -f '/tmp/viash_test_example_js_1586698615800181017/build_engine_environment/tmp/dockerbuild-example_js-33pzb2/Dockerfile'
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 287B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/node:19-bullseye-slim
#2 DONE 0.3s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [1/1] FROM docker.io/library/node:19-bullseye-slim@sha256:f58f1fcf5c9ff9e3752993edb4ed6dbd35697124c85a43f3b97aa054500b0534
#4 resolve docker.io/library/node:19-bullseye-slim@sha256:f58f1fcf5c9ff9e3752993edb4ed6dbd35697124c85a43f3b97aa054500b0534 done
#4 sha256:f03b40093957615593f2ed142961afb6b540507e0b47e3f7626ba5e02efbbbf1 7.32MB / 31.40MB 0.1s
#4 sha256:0bfad7312c25e414fc3d0e3640a77bd4b5c74d2118595670999afef9758cb49b 4.19kB / 4.19kB 0.1s done
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 0B / 46.62MB 0.1s
#4 sha256:f58f1fcf5c9ff9e3752993edb4ed6dbd35697124c85a43f3b97aa054500b0534 1.21kB / 1.21kB done
#4 sha256:63b5ca0f90dbaf64465a83d46276e133eab30410f642808d158bf98928811999 1.37kB / 1.37kB done
#4 sha256:adbc02574b521bb652d771c8ac0282c724b9fe90c001f3bab0825c32092c9036 6.84kB / 6.84kB done
#4 sha256:f03b40093957615593f2ed142961afb6b540507e0b47e3f7626ba5e02efbbbf1 24.12MB / 31.40MB 0.2s
#4 sha256:477c7ebfb8500396b86c69952acb17b909a0a63da41e03dd4046e2c809722c6e 2.76MB / 2.76MB 0.2s done
#4 sha256:8bb4aa3e51be63d4a2e5bd30ab9cd478a916ed3c5c0212a44b96fd743e0e0f2f 0B / 450B 0.2s
#4 sha256:f03b40093957615593f2ed142961afb6b540507e0b47e3f7626ba5e02efbbbf1 31.40MB / 31.40MB 0.3s done
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 4.19MB / 46.62MB 0.3s
#4 sha256:8bb4aa3e51be63d4a2e5bd30ab9cd478a916ed3c5c0212a44b96fd743e0e0f2f 450B / 450B 0.3s done
#4 extracting sha256:f03b40093957615593f2ed142961afb6b540507e0b47e3f7626ba5e02efbbbf1 0.1s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 7.34MB / 46.62MB 0.4s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 17.83MB / 46.62MB 0.7s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 25.17MB / 46.62MB 0.8s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 31.46MB / 46.62MB 0.9s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 36.70MB / 46.62MB 1.1s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 40.89MB / 46.62MB 1.3s
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 45.09MB / 46.62MB 1.5s
#4 extracting sha256:f03b40093957615593f2ed142961afb6b540507e0b47e3f7626ba5e02efbbbf1 1.2s done
#4 extracting sha256:0bfad7312c25e414fc3d0e3640a77bd4b5c74d2118595670999afef9758cb49b done
#4 extracting sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c
#4 sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 46.62MB / 46.62MB 1.6s done
#4 extracting sha256:56db04c463e993ac037103947cd590d52fcddcb17ad04285a0ca4c3510c0738c 1.7s done
#4 extracting sha256:477c7ebfb8500396b86c69952acb17b909a0a63da41e03dd4046e2c809722c6e
#4 extracting sha256:477c7ebfb8500396b86c69952acb17b909a0a63da41e03dd4046e2c809722c6e 0.1s done
#4 extracting sha256:8bb4aa3e51be63d4a2e5bd30ab9cd478a916ed3c5c0212a44b96fd743e0e0f2f done
#4 DONE 3.8s

#5 exporting to image
#5 exporting layers done
#5 writing image sha256:644ba895d59778578ee4590a99c7d92b9f0691af0c1fa57c0377ef22ddf7861b done
#5 naming to docker.io/library/example_js:test done
#5 DONE 0.0s
====================================================================
+/tmp/viash_test_example_js_1586698615800181017/test_test/test_executable
>>> Create input test file
>>> Run executable
>>> Check whether output file exists
>>> Check whether input and output file are the same
>>> Test finished successfully
====================================================================
SUCCESS! All 1 out of 1 test scripts succeeded!
Cleaning up temporary directory
viash test config.vsh.yaml
Running tests in temporary directory: '/tmp/viash_test_example_python_15488073307834892174'
====================================================================
+/tmp/viash_test_example_python_15488073307834892174/build_engine_environment/example_python ---verbosity 6 ---setup cachedbuild ---engine docker
[notice] Building container 'example_python:test' with Dockerfile
[info] docker build -t 'example_python:test'  '/tmp/viash_test_example_python_15488073307834892174/build_engine_environment' -f '/tmp/viash_test_example_python_15488073307834892174/build_engine_environment/tmp/dockerbuild-example_python-De0U5r/Dockerfile'
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 286B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/python:3.10-slim
#2 DONE 0.3s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [1/1] FROM docker.io/library/python:3.10-slim@sha256:65c843653048a3ba22c8d5083a022f44aef774974f0f7f70cbf8cee4e931ac96
#4 resolve docker.io/library/python:3.10-slim@sha256:65c843653048a3ba22c8d5083a022f44aef774974f0f7f70cbf8cee4e931ac96 done
#4 sha256:65c843653048a3ba22c8d5083a022f44aef774974f0f7f70cbf8cee4e931ac96 9.13kB / 9.13kB done
#4 sha256:fc113a90d0a9a41b52f87c973de5b0970ddcccd726d5cd07885ddb5f1f31dd15 1.75kB / 1.75kB done
#4 sha256:d7c79db7d957a3cfbc9d3930da23f24b9d988753b0bcbee3185cb7a76657fee3 5.31kB / 5.31kB done
#4 sha256:8a628cdd7ccc83e90e5a95888fcb0ec24b991141176c515ad101f12d6433eb96 1.05MB / 28.23MB 0.1s
#4 sha256:c96cb1c893456d3b64ac93cbebba12262429b64eca53584506f09ae223d1efe8 0B / 3.51MB 0.1s
#4 sha256:fcc78f5313aaeb803973d1c97a39d7ce576e349a2cc44fc655bf99c939389496 0B / 15.65MB 0.1s
#4 sha256:8a628cdd7ccc83e90e5a95888fcb0ec24b991141176c515ad101f12d6433eb96 26.21MB / 28.23MB 0.3s
#4 sha256:c96cb1c893456d3b64ac93cbebba12262429b64eca53584506f09ae223d1efe8 3.51MB / 3.51MB 0.1s done
#4 sha256:fcc78f5313aaeb803973d1c97a39d7ce576e349a2cc44fc655bf99c939389496 15.65MB / 15.65MB 0.3s done
#4 sha256:29e6ce9bbfedce1cc78818c9d0632f7e6f06c35278be1c3b0d979cd2b6b6c26b 251B / 251B 0.2s done
#4 sha256:8a628cdd7ccc83e90e5a95888fcb0ec24b991141176c515ad101f12d6433eb96 28.23MB / 28.23MB 0.3s done
#4 extracting sha256:8a628cdd7ccc83e90e5a95888fcb0ec24b991141176c515ad101f12d6433eb96 0.1s
#4 extracting sha256:8a628cdd7ccc83e90e5a95888fcb0ec24b991141176c515ad101f12d6433eb96 1.0s done
#4 extracting sha256:c96cb1c893456d3b64ac93cbebba12262429b64eca53584506f09ae223d1efe8 0.1s
#4 extracting sha256:c96cb1c893456d3b64ac93cbebba12262429b64eca53584506f09ae223d1efe8 0.1s done
#4 extracting sha256:fcc78f5313aaeb803973d1c97a39d7ce576e349a2cc44fc655bf99c939389496
#4 extracting sha256:fcc78f5313aaeb803973d1c97a39d7ce576e349a2cc44fc655bf99c939389496 0.6s done
#4 extracting sha256:29e6ce9bbfedce1cc78818c9d0632f7e6f06c35278be1c3b0d979cd2b6b6c26b
#4 extracting sha256:29e6ce9bbfedce1cc78818c9d0632f7e6f06c35278be1c3b0d979cd2b6b6c26b done
#4 DONE 2.4s

#5 exporting to image
#5 exporting layers done
#5 writing image sha256:aeeb560e58aa6bd54031fcd5ea475eda196068197d8bd9598c0f2d886e919e92 done
#5 naming to docker.io/library/example_python:test done
#5 DONE 0.0s
====================================================================
+/tmp/viash_test_example_python_15488073307834892174/test_test/test_executable
Copying 'foo.txt' to 'bar.txt'.
>>> Create input test file
>>> Run executable
>>> Check whether output file exists
>>> Check whether input and output file are the same
>>> Test finished successfully
====================================================================
SUCCESS! All 1 out of 1 test scripts succeeded!
Cleaning up temporary directory
viash test config.vsh.yaml
Running tests in temporary directory: '/tmp/viash_test_example_r_12447698255737200471'
====================================================================
+/tmp/viash_test_example_r_12447698255737200471/build_engine_environment/example_r ---verbosity 6 ---setup cachedbuild ---engine docker
[notice] Building container 'example_r:test' with Dockerfile
[info] docker build -t 'example_r:test'  '/tmp/viash_test_example_r_12447698255737200471/build_engine_environment' -f '/tmp/viash_test_example_r_12447698255737200471/build_engine_environment/tmp/dockerbuild-example_r-5cbSfN/Dockerfile'
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 287B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/eddelbuettel/r2u:22.04
#2 DONE 0.3s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [1/1] FROM docker.io/eddelbuettel/r2u:22.04@sha256:e71d4bd06713b2048f3725a5a06e987ca709fa1b33e730cda653e3f8db49a0d1
#4 resolve docker.io/eddelbuettel/r2u:22.04@sha256:e71d4bd06713b2048f3725a5a06e987ca709fa1b33e730cda653e3f8db49a0d1 done
#4 sha256:e96e057aae67380a4ddb16c337c5c3669d97fdff69ec537f02aa2cc30d814281 0B / 30.43MB 0.1s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 0B / 72.25MB 0.1s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 0B / 235.01MB 0.1s
#4 sha256:e71d4bd06713b2048f3725a5a06e987ca709fa1b33e730cda653e3f8db49a0d1 954B / 954B done
#4 sha256:3330f05f29b99d58110fa89411ef71a68de97574d65d829f392131e6892c9f10 5.87kB / 5.87kB done
#4 sha256:e96e057aae67380a4ddb16c337c5c3669d97fdff69ec537f02aa2cc30d814281 5.24MB / 30.43MB 0.2s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 5.24MB / 72.25MB 0.2s
#4 sha256:e96e057aae67380a4ddb16c337c5c3669d97fdff69ec537f02aa2cc30d814281 15.73MB / 30.43MB 0.3s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 12.58MB / 72.25MB 0.3s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 17.83MB / 235.01MB 0.3s
#4 sha256:e96e057aae67380a4ddb16c337c5c3669d97fdff69ec537f02aa2cc30d814281 30.43MB / 30.43MB 0.5s done
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 24.12MB / 72.25MB 0.5s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 49.28MB / 235.01MB 0.5s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 33.55MB / 72.25MB 0.6s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 72.35MB / 235.01MB 0.6s
#4 extracting sha256:e96e057aae67380a4ddb16c337c5c3669d97fdff69ec537f02aa2cc30d814281
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 44.04MB / 72.25MB 0.7s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 52.43MB / 72.25MB 0.8s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 93.04MB / 235.01MB 0.8s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 63.96MB / 72.25MB 0.9s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 71.30MB / 72.25MB 1.0s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 118.49MB / 235.01MB 1.0s
#4 sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 72.25MB / 72.25MB 1.1s done
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 149.95MB / 235.01MB 1.2s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 164.63MB / 235.01MB 1.3s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 190.84MB / 235.01MB 1.5s
#4 extracting sha256:e96e057aae67380a4ddb16c337c5c3669d97fdff69ec537f02aa2cc30d814281 1.0s done
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 203.42MB / 235.01MB 1.6s
#4 extracting sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 217.06MB / 235.01MB 1.7s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 235.01MB / 235.01MB 1.9s
#4 sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 235.01MB / 235.01MB 2.1s done
#4 extracting sha256:af18caf2c1a90d5f23609a5d79925507c9adcd58c4e867391d943a7157e01a54 1.9s done
#4 extracting sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6
#4 extracting sha256:aa48af1f9f911d7fdf489e254463aa5b8041f3ded7add5f65c86127c0d4acab6 5.1s done
#4 DONE 10.3s

#5 exporting to image
#5 exporting layers done
#5 writing image sha256:ff3422846d887791c7a3bfeb4d0eb99494503e0b48e51b657908df1af1e16b78 done
#5 naming to docker.io/library/example_r:test done
#5 DONE 0.0s
====================================================================
+/tmp/viash_test_example_r_12447698255737200471/test_test/test_executable
>>> Create input test file
>>> Run executable
Copying 'foo.txt' to 'bar.txt'.
[1] TRUE
>>> Check whether output file exists
>>> Check whether input and output file are the same
>>> Test finished successfully
====================================================================
SUCCESS! All 1 out of 1 test scripts succeeded!
Cleaning up temporary directory
viash test config.vsh.yaml
Running tests in temporary directory: '/tmp/viash_test_example_scala_16136445647054190236'
====================================================================
+/tmp/viash_test_example_scala_16136445647054190236/build_engine_environment/example_scala ---verbosity 6 ---setup cachedbuild ---engine docker
[notice] Building container 'example_scala:test' with Dockerfile
[info] docker build -t 'example_scala:test'  '/tmp/viash_test_example_scala_16136445647054190236/build_engine_environment' -f '/tmp/viash_test_example_scala_16136445647054190236/build_engine_environment/tmp/dockerbuild-example_scala-xxFQ8T/Dockerfile'
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 323B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/sbtscala/scala-sbt:eclipse-temurin-19_36_1.7.2_2.13.10
#2 DONE 0.2s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [1/1] FROM docker.io/sbtscala/scala-sbt:eclipse-temurin-19_36_1.7.2_2.13.10@sha256:440234e283754375d5ab6bcb35e2d470f9dabeaaeb639d8c0708fac2d3707e0c
#4 resolve docker.io/sbtscala/scala-sbt:eclipse-temurin-19_36_1.7.2_2.13.10@sha256:440234e283754375d5ab6bcb35e2d470f9dabeaaeb639d8c0708fac2d3707e0c done
#4 sha256:301a8b74f71f85f3a31e9c7e7fedd5b001ead5bcf895bc2911c1d260e06bd987 0B / 30.43MB 0.1s
#4 sha256:440234e283754375d5ab6bcb35e2d470f9dabeaaeb639d8c0708fac2d3707e0c 743B / 743B done
#4 sha256:06478611ba16efc6663ccf5f22a29c990c53aed6848bc58c54c67dc32d8aef13 3.04kB / 3.04kB done
#4 sha256:76808e2ea8df2d9cac1d275426e51a2190369f706076c55ac2da3823bef0a019 10.89kB / 10.89kB done
#4 sha256:c5c735a83dbd58e1c83f8d52abdc51068e27c00405f53d59802d4954a6b5398a 4.19MB / 16.99MB 0.1s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 9.44MB / 200.85MB 0.1s
#4 sha256:c5c735a83dbd58e1c83f8d52abdc51068e27c00405f53d59802d4954a6b5398a 16.99MB / 16.99MB 0.2s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 27.26MB / 200.85MB 0.2s
#4 sha256:301a8b74f71f85f3a31e9c7e7fedd5b001ead5bcf895bc2911c1d260e06bd987 12.58MB / 30.43MB 0.4s
#4 sha256:c5c735a83dbd58e1c83f8d52abdc51068e27c00405f53d59802d4954a6b5398a 16.99MB / 16.99MB 0.2s done
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 65.01MB / 200.85MB 0.4s
#4 sha256:14d68137d870fdc4bc849fbe5c5571ca3e6d9a7b2c5bf1c7e928ccf716dd3b4a 13.63MB / 29.75MB 0.4s
#4 sha256:2af8e2a543d81b57575a2e457bd1e98ffc061b15639dac3be5ff6c2702b9ea1a 175B / 175B 0.3s done
#4 sha256:301a8b74f71f85f3a31e9c7e7fedd5b001ead5bcf895bc2911c1d260e06bd987 20.97MB / 30.43MB 0.5s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 84.93MB / 200.85MB 0.5s
#4 sha256:14d68137d870fdc4bc849fbe5c5571ca3e6d9a7b2c5bf1c7e928ccf716dd3b4a 28.31MB / 29.75MB 0.5s
#4 sha256:301a8b74f71f85f3a31e9c7e7fedd5b001ead5bcf895bc2911c1d260e06bd987 30.43MB / 30.43MB 0.7s done
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 125.10MB / 200.85MB 0.7s
#4 sha256:14d68137d870fdc4bc849fbe5c5571ca3e6d9a7b2c5bf1c7e928ccf716dd3b4a 29.75MB / 29.75MB 0.5s done
#4 sha256:320659737461e071e3d809231861a7487daaa79805c57f97015ff020f34a939a 16.78MB / 23.71MB 0.7s
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 0B / 40.48MB 0.7s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 140.51MB / 200.85MB 0.8s
#4 sha256:320659737461e071e3d809231861a7487daaa79805c57f97015ff020f34a939a 23.71MB / 23.71MB 0.8s done
#4 extracting sha256:301a8b74f71f85f3a31e9c7e7fedd5b001ead5bcf895bc2911c1d260e06bd987 0.1s
#4 sha256:c9480a4b593fb5abc117a5e01c80d8495c9fd89e743757730c712545f425c9f3 0B / 183B 0.8s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 156.24MB / 200.85MB 0.9s
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 8.39MB / 40.48MB 0.9s
#4 sha256:c9480a4b593fb5abc117a5e01c80d8495c9fd89e743757730c712545f425c9f3 183B / 183B 0.8s done
#4 sha256:812216efaf878f5ff8086b6efdccec1cb090228107efd62db47d048c927c4f6a 4.33kB / 4.33kB 0.9s done
#4 sha256:4f4fb700ef54461cfa02571ae0db9a0dc1e0cdb5577484a6d75e68dc38e8acc1 0B / 32B 0.9s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 178.26MB / 200.85MB 1.0s
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 16.78MB / 40.48MB 1.0s
#4 sha256:4f4fb700ef54461cfa02571ae0db9a0dc1e0cdb5577484a6d75e68dc38e8acc1 32B / 32B 0.9s done
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 1.46MB / 214.15MB 1.0s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 191.89MB / 200.85MB 1.1s
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 23.07MB / 40.48MB 1.1s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 13.63MB / 214.15MB 1.1s
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 32.51MB / 40.48MB 1.2s
#4 sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 200.85MB / 200.85MB 1.3s done
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 40.48MB / 40.48MB 1.4s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 45.09MB / 214.15MB 1.4s
#4 sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 40.48MB / 40.48MB 1.4s done
#4 sha256:2c0021742fe2b9491f62c3d89da10492c175081bd17d77efd0f22a298c37ad64 222B / 222B 1.5s done
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 62.73MB / 214.15MB 1.6s
#4 extracting sha256:301a8b74f71f85f3a31e9c7e7fedd5b001ead5bcf895bc2911c1d260e06bd987 1.0s done
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 99.61MB / 214.15MB 1.8s
#4 extracting sha256:c5c735a83dbd58e1c83f8d52abdc51068e27c00405f53d59802d4954a6b5398a
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 115.34MB / 214.15MB 2.0s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 127.93MB / 214.15MB 2.2s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 146.80MB / 214.15MB 2.5s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 174.06MB / 214.15MB 2.8s
#4 extracting sha256:c5c735a83dbd58e1c83f8d52abdc51068e27c00405f53d59802d4954a6b5398a 0.9s done
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 186.65MB / 214.15MB 3.0s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 203.42MB / 214.15MB 3.3s
#4 extracting sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 214.15MB / 214.15MB 3.4s
#4 sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 214.15MB / 214.15MB 3.4s done
#4 extracting sha256:5fb9fa7513e6a72bf7daf0a75e97c441f1ed7ff69c8609d1c429fdf3a6dc846b 1.4s done
#4 extracting sha256:2af8e2a543d81b57575a2e457bd1e98ffc061b15639dac3be5ff6c2702b9ea1a
#4 extracting sha256:2af8e2a543d81b57575a2e457bd1e98ffc061b15639dac3be5ff6c2702b9ea1a done
#4 extracting sha256:14d68137d870fdc4bc849fbe5c5571ca3e6d9a7b2c5bf1c7e928ccf716dd3b4a 0.1s
#4 extracting sha256:14d68137d870fdc4bc849fbe5c5571ca3e6d9a7b2c5bf1c7e928ccf716dd3b4a 0.3s done
#4 extracting sha256:320659737461e071e3d809231861a7487daaa79805c57f97015ff020f34a939a
#4 extracting sha256:320659737461e071e3d809231861a7487daaa79805c57f97015ff020f34a939a 0.1s done
#4 extracting sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb
#4 extracting sha256:1dea7716181a505cea41832dc84691b858a8f64471cb352d8c29cec06e428aeb 1.1s done
#4 extracting sha256:c9480a4b593fb5abc117a5e01c80d8495c9fd89e743757730c712545f425c9f3
#4 extracting sha256:c9480a4b593fb5abc117a5e01c80d8495c9fd89e743757730c712545f425c9f3 done
#4 extracting sha256:812216efaf878f5ff8086b6efdccec1cb090228107efd62db47d048c927c4f6a done
#4 extracting sha256:4f4fb700ef54461cfa02571ae0db9a0dc1e0cdb5577484a6d75e68dc38e8acc1 done
#4 extracting sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 0.1s
#4 extracting sha256:bb7a0c6ab9c129a399a3c8f034cd0de30406766d61a6694f150b4ab9e64c560c 1.2s done
#4 extracting sha256:2c0021742fe2b9491f62c3d89da10492c175081bd17d77efd0f22a298c37ad64
#4 extracting sha256:2c0021742fe2b9491f62c3d89da10492c175081bd17d77efd0f22a298c37ad64 done
#4 DONE 8.9s

#5 exporting to image
#5 exporting layers done
#5 writing image sha256:e2b83a88a9579b9c2fd8dddcab0eccfd852cb29cc1a1e4e65001ccc6f4f9568d done
#5 naming to docker.io/library/example_scala:test done
#5 DONE 0.1s
====================================================================
+/tmp/viash_test_example_scala_16136445647054190236/test_test/test_executable
warning: 1 deprecation
warning: 1 deprecation (since 2.13.3)
warning: 2 deprecations in total; re-run with -deprecation for details
>>> Create input test file
>>> Run executable
warning: 1 deprecation; re-run with -deprecation for details
Copying 'foo.txt' to 'bar.txt'.
>>> Check whether output file exists
>>> Check whether input and output file are the same
>>> Test finished successfully
====================================================================
SUCCESS! All 1 out of 1 test scripts succeeded!
Cleaning up temporary directory

When running viash test, Viash will follow the following steps:

  1. Create a temporary directory
  2. Build the component into the main executable
  3. (Re-)build the Docker image for the component
  4. Iterate over all unit test scripts:
  1. Build the unit test into an executable
  2. Run the unit test, passing the main executable as an argument
  1. Return exit code 0 if all of the above steps succeed, otherwise 0

Bonus: unit testing all of the components

If you have multiple Viash components located in a directory called src/, what happens when you run the following?

viash ns test --parallel --src src/