Add first two modules (diamond and kaiju), missing docs and tests

.github/workflows/ci.yml

@@ -1,43 +1,87 @@
-name: nf-core CI
 # This workflow runs the pipeline with the minimal test dataset to check that it completes without any syntax errors
+name: nf-core CI
 on:
   push:
     branches:
-      - dev
+      - "dev"
   pull_request:
+    branches:
+      - "dev"
+      - "master"
   release:
-    types: [published]
+    types:
+      - "published"
 
 env:
   NXF_ANSI_LOG: false
+  NFTEST_VER: "0.7.3"
 
 concurrency:
-  group: "${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}"
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
+  define_nxf_versions:
+    name: Choose nextflow versions to test against depending on target branch
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.nxf_versions.outputs.matrix }}
+    steps:
+      - id: nxf_versions
+        run: |
+          if [[ "${{ github.event_name }}" == "pull_request" && "${{ github.base_ref }}" == "dev" && "${{ matrix.NXF_VER }}" != "latest-everything" ]]; then
+            echo matrix='["latest-everything"]' | tee -a $GITHUB_OUTPUT
+          else
+            echo matrix='["latest-everything", "23.10.0"]' | tee -a $GITHUB_OUTPUT
+          fi
+
   test:
-    name: Run pipeline with test data
-    # Only run on push if this is the nf-core dev branch (merged PRs)
-    if: "${{ github.event_name != 'push' || (github.event_name == 'push' && github.repository == 'nf-core/createtaxdb') }}"
+    name: nf-test
+    needs: define_nxf_versions
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        NXF_VER:
-          - "23.04.0"
-          - "latest-everything"
+        NXF_VER: ${{ fromJson(needs.define_nxf_versions.outputs.matrix) }}
+        tags:
+          - "test"
+        profile:
+          - "docker"
+
     steps:
       - name: Check out pipeline code
         uses: actions/checkout@v4
 
+      - name: Check out test data
+        uses: actions/checkout@v3
+        with:
+          repository: nf-core/test-datasets
+          ref: createtaxdb
+          path: test-datasets/
+          fetch-depth: 1
+
       - name: Install Nextflow
         uses: nf-core/setup-nextflow@v1
         with:
           version: "${{ matrix.NXF_VER }}"
 
-      - name: Run pipeline with test data
-        # TODO nf-core: You can customise CI pipeline run tests as required
-        # For example: adding multiple test runs with different parameters
-        # Remember that you can parallelise this by using strategy.matrix
+      - name: Install nf-test
+        run: |
+          wget -qO- https://code.askimed.com/install/nf-test | bash -s $NFTEST_VER
+          sudo mv nf-test /usr/local/bin/
+
+      - name: Run nf-test
         run: |
-          nextflow run ${GITHUB_WORKSPACE} -profile test,docker --outdir ./results
+          nf-test test --tag ${{ matrix.tags }} --profile ${{ matrix.tags }},${{ matrix.profile }} --junitxml=test.xml
+
+      - name: Output log on failure
+        if: failure()
+        run: |
+          sudo apt install bat > /dev/null
+          batcat --decorations=always --color=always ${{ github.workspace }}/.nf-test/tests/*/output/pipeline_info/software_versions.yml
+
+      - name: Publish Test Report
+        uses: mikepenz/action-junit-report@v3
+        if: always() # always run even if the previous step fails
+        with:
+          report_paths: "*.xml"

.gitignore

@@ -6,3 +6,5 @@ results/
 testing/
 testing*
 *.pyc
+.nf-test*
+test.xml

.nf-core.yml

@@ -1 +1,4 @@
 repository_type: pipeline
+## TODO: re-activate once nf-test ci.yml structure updated
+lint:
+  actions_ci: False

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Initial release of nf-core/createtaxdb, created with the [nf-core](https://nf-co.re/) template.
 
+Adds database building support for:
+
+- DIAMOND (added by @jfy133)
+- Kaiju (added by @jfy133)
+
 ### `Added`
 
 ### `Fixed`

CITATIONS.md

@@ -39,3 +39,11 @@
 - [Singularity](https://pubmed.ncbi.nlm.nih.gov/28494014/)
 
   > Kurtzer GM, Sochat V, Bauer MW. Singularity: Scientific containers for mobility of compute. PLoS One. 2017 May 11;12(5):e0177459. doi: 10.1371/journal.pone.0177459. eCollection 2017. PubMed PMID: 28494014; PubMed Central PMCID: PMC5426675.
+
+- [DIAMOND](https://doi.org/10.1038/nmeth.3176)
+
+  > Buchfink, B., Xie, C., & Huson, D. H. (2015). Fast and sensitive protein alignment using DIAMOND. Nature Methods, 12(1), 59–60. https://doi.org/10.1038/nmeth.3176
+
+- [Kaiju](https://doi.org/10.1038/ncomms11257)
+
+> Menzel, P., Ng, K. L., & Krogh, A. (2016). Fast and sensitive taxonomic classification for metagenomics with Kaiju. Nature Communications, 7, 11257. https://doi.org/10.1038/ncomms11257

assets/schema_input.json

@@ -7,30 +7,60 @@
     "items": {
         "type": "object",
         "properties": {
-            "sample": {
+            "id": {
                 "type": "string",
                 "pattern": "^\\S+$",
-                "errorMessage": "Sample name must be provided and cannot contain spaces"
+                "unique": true,
+                "errorMessage": "Sequence reference name must be provided and cannot contain spaces",
+                "meta": ["id"]
             },
-            "fastq_1": {
-                "type": "string",
-                "pattern": "^\\S+\\.f(ast)?q\\.gz$",
-                "errorMessage": "FastQ file for reads 1 must be provided, cannot contain spaces and must have extension '.fq.gz' or '.fastq.gz'"
+            "taxid": {
+                "type": "integer",
+                "unique": true,
+                "errorMessage": "Please provide a valid taxonomic ID in integer format",
+                "meta": ["taxid"]
+            },
+            "fasta_dna": {
+                "anyOf": [
+                    {
+                        "type": "string",
+                        "pattern": "^\\S+\\.(fasta|fas|fa|fna)(\\.gz)?$"
+                    },
+                    {
+                        "type": "string",
+                        "maxLength": 0
+                    }
+                ],
+                "unique": true,
+                "errorMessage": "FASTA file for nucleotide sequence cannot contain spaces and must have a valid FASTA extension (fasta, fna, fa, fas, faa), optionally gzipped",
+                "exists": true,
+                "format": "file-path"
             },
-            "fastq_2": {
-                "errorMessage": "FastQ file for reads 2 cannot contain spaces and must have extension '.fq.gz' or '.fastq.gz'",
+            "fasta_aa": {
                 "anyOf": [
                     {
                         "type": "string",
-                        "pattern": "^\\S+\\.f(ast)?q\\.gz$"
+                        "pattern": "^\\S+\\.(fasta|fas|fa|faa)(\\.gz)?$"
                     },
                     {
                         "type": "string",
                         "maxLength": 0
                     }
-                ]
+                ],
+                "unique": true,
+                "errorMessage": "FASTA file for amino acid reference sequence cannot contain spaces and must have a valid FASTA extension (fasta, fna, fa, fas, faa), optionally gzipped",
+                "exists": true,
+                "format": "file-path"
             }
         },
-        "required": ["sample", "fastq_1"]
+        "required": ["id", "taxid"],
+        "anyOf": [
+            {
+                "required": ["fasta_dna"]
+            },
+            {
+                "required": ["fasta_aa"]
+            }
+        ]
     }
 }

assets/test.csv

@@ -0,0 +1,3 @@
+id,taxid,fasta_dna,fasta_aa
+Severe_acute_respiratory_syndrome_coronavirus_2,2697049,https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/data/fasta/sarscov2.fasta,https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/data/fasta/sarscov2.faa
+Haemophilus_influenzae,727,https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/data/fasta/haemophilus_influenzae.fna.gz,

conf/modules.config

@@ -18,18 +18,6 @@ process {
         saveAs: { filename -> filename.equals('versions.yml') ? null : filename }
     ]
 
-    withName: SAMPLESHEET_CHECK {
-        publishDir = [
-            path: { "${params.outdir}/pipeline_info" },
-            mode: params.publish_dir_mode,
-            saveAs: { filename -> filename.equals('versions.yml') ? null : filename }
-        ]
-    }
-
-    withName: FASTQC {
-        ext.args = '--quiet'
-    }
-
     withName: CUSTOM_DUMPSOFTWAREVERSIONS {
         publishDir = [
             path: { "${params.outdir}/pipeline_info" },

conf/test.config

@@ -20,10 +20,13 @@ params {
     max_time   = '6.h'
 
     // Input data
-    // TODO nf-core: Specify the paths to your test data on nf-core/test-datasets
-    // TODO nf-core: Give any required params for the test so that command line flags are not needed
-    input  = 'https://raw.githubusercontent.com/nf-core/test-datasets/viralrecon/samplesheet/samplesheet_test_illumina_amplicon.csv'
 
-    // Genome references
-    genome = 'R64-1-1'
+    input         = 'https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/samplesheets/test.csv'
+
+    build_kaiju   = true
+    build_diamond = true
+
+    prot2taxid    = 'https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/data/taxonomy/prot.accession2taxid.gz'
+    nodesdmp      = 'https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/data/taxonomy/prot_nodes.dmp'
+    namesdmp      = 'https://raw.githubusercontent.com/nf-core/test-datasets/createtaxdb/data/taxonomy/prot_names.dmp'
 }

docs/output.md

@@ -12,32 +12,36 @@ The directories listed below will be created in the results directory after the
 
 The pipeline is built using [Nextflow](https://www.nextflow.io/) and processes data using the following steps:
 
-- [FastQC](#fastqc) - Raw read QC
 - [MultiQC](#multiqc) - Aggregate report describing results and QC from the whole pipeline
 - [Pipeline information](#pipeline-information) - Report metrics generated during the workflow execution
 
-### FastQC
+### Diamond
 
 <details markdown="1">
 <summary>Output files</summary>
 
-- `fastqc/`
-  - `*_fastqc.html`: FastQC report containing quality metrics.
-  - `*_fastqc.zip`: Zip archive containing the FastQC report, tab-delimited data file and plot images.
+- `diamond/`
+  - `<database>.dmnd`: DIAMOND dmnd database file
 
 </details>
 
-[FastQC](http://www.bioinformatics.babraham.ac.uk/projects/fastqc/) gives general quality metrics about your sequenced reads. It provides information about the quality score distribution across your reads, per base sequence content (%A/T/G/C), adapter contamination and overrepresented sequences. For further reading and documentation see the [FastQC help pages](http://www.bioinformatics.babraham.ac.uk/projects/fastqc/Help/).
+[DIAMOND](https://github.com/bbuchfink/diamond) is a accelerated BLAST compatible local sequence aligner particularly used for protein alignment.
 
-![MultiQC - FastQC sequence counts plot](images/mqc_fastqc_counts.png)
+The `dmnd` file can be given to one of the DIAMOND alignment commands with `diamond blast<x/p> -d <your_database>.dmnd` etc.
 
-![MultiQC - FastQC mean quality scores plot](images/mqc_fastqc_quality.png)
+### Kaiju
 
-![MultiQC - FastQC adapter content plot](images/mqc_fastqc_adapter.png)
+<details markdown="1">
+<summary>Output files</summary>
+
+- `kaiju/`
+  - `<database_name>.fmi`: Kaiju FMI index file
+
+</details>
+
+[Kaiju](https://bioinformatics-centre.github.io/kaiju/) is a fast and sensitive taxonomic classification for metagenomics utilising nucletoide to protein translations.
 
-:::note
-The FastQC plots displayed in the MultiQC report shows _untrimmed_ reads. They may contain adapter sequence and potentially regions with low quality.
-:::
+The `fmi` file can be given to Kaiju itself with `kaiju -f <your_database>.fmi` etc.
 
 ### MultiQC
 

lib/WorkflowCreatetaxdb.groovy

@@ -15,9 +15,9 @@ class WorkflowCreatetaxdb {
         genomeExistsError(params, log)
 
 
-        if (!params.fasta) {
-            Nextflow.error "Genome fasta file not specified with e.g. '--fasta genome.fa' or via a detectable config file."
-        }
+        // if (!params.fasta) {
+        //     Nextflow.error "Genome fasta file not specified with e.g. '--fasta genome.fa' or via a detectable config file."
+        // }
     }
 
     //
@@ -58,8 +58,9 @@ class WorkflowCreatetaxdb {
         // Uncomment function in methodsDescriptionText to render in MultiQC report
         def citation_text = [
                 "Tools used in the workflow included:",
-                "FastQC (Andrews 2010),",
-                "MultiQC (Ewels et al. 2016)",
+                params.build_diamond ? "DIAMOND (Buchfink et al. 2015)," : "",
+                params.build_kaiju   ? "Kaiju (Menzel et al. 2016)," : "",
+                "and MultiQC (Ewels et al. 2016)",
                 "."
             ].join(' ').trim()
 
@@ -68,11 +69,11 @@ class WorkflowCreatetaxdb {
 
     public static String toolBibliographyText(params) {
 
-        // TODO Optionally add bibliographic entries to this list.
         // Can use ternary operators to dynamically construct based conditions, e.g. params["run_xyz"] ? "<li>Author (2023) Pub name, Journal, DOI</li>" : "",
         // Uncomment function in methodsDescriptionText to render in MultiQC report
         def reference_text = [
-                "<li>Andrews S, (2010) FastQC, URL: https://www.bioinformatics.babraham.ac.uk/projects/fastqc/).</li>",
+                params.build_diamond    ? "<li>Buchfink, B., Xie, C., & Huson, D. H. (2015). Fast and sensitive protein alignment using DIAMOND. Nature Methods, 12(1), 59–60. <a href=\"https://doi.org/10.1038/nmeth.3176\">10.1038/nmeth.3176</a></li>" : "",
+                params.build_kaiju      ? "<li>Menzel, P., Ng, K. L., & Krogh, A. (2016). Fast and sensitive taxonomic classification for metagenomics with Kaiju. Nature Communications, 7, 11257. <a href=\"https://doi.org/10.1038/ncomms11257\">10.1038/ncomms11257</a></li>" : "",
                 "<li>Ewels, P., Magnusson, M., Lundin, S., & Käller, M. (2016). MultiQC: summarize analysis results for multiple tools and samples in a single report. Bioinformatics , 32(19), 3047–3048. doi: /10.1093/bioinformatics/btw354</li>"
             ].join(' ').trim()
 
@@ -93,9 +94,8 @@ class WorkflowCreatetaxdb {
         meta["tool_citations"] = ""
         meta["tool_bibliography"] = ""
 
-        // TODO Only uncomment below if logic in toolCitationText/toolBibliographyText has been filled!
-        //meta["tool_citations"] = toolCitationText(params).replaceAll(", \\.", ".").replaceAll("\\. \\.", ".").replaceAll(", \\.", ".")
-        //meta["tool_bibliography"] = toolBibliographyText(params)
+        meta["tool_citations"] = toolCitationText(params).replaceAll(", \\.", ".").replaceAll("\\. \\.", ".").replaceAll(", \\.", ".")
+        meta["tool_bibliography"] = toolBibliographyText(params)
 
 
         def methods_text = mqc_methods_yaml.text

modules.json

@@ -5,14 +5,29 @@
         "https://github.com/nf-core/modules.git": {
             "modules": {
                 "nf-core": {
+                    "cat/cat": {
+                        "branch": "master",
+                        "git_sha": "3f5420aa22e00bd030a2556dfdffc9e164ec0ec5",
+                        "installed_by": ["modules"]
+                    },
                     "custom/dumpsoftwareversions": {
                         "branch": "master",
                         "git_sha": "bba7e362e4afead70653f84d8700588ea28d0f9e",
                         "installed_by": ["modules"]
                     },
-                    "fastqc": {
+                    "diamond/makedb": {
+                        "branch": "master",
+                        "git_sha": "b29f6beb86d1d24d680277fb1a3f4de7b8b8a92c",
+                        "installed_by": ["modules"]
+                    },
+                    "kaiju/mkfmi": {
+                        "branch": "master",
+                        "git_sha": "7365564c402cbd01e9407810730efd10039997a3",
+                        "installed_by": ["modules"]
+                    },
+                    "malt/build": {
                         "branch": "master",
-                        "git_sha": "65ad3e0b9a4099592e1102e92e10455dc661cf53",
+                        "git_sha": "3f5420aa22e00bd030a2556dfdffc9e164ec0ec5",
                         "installed_by": ["modules"]
                     },
                     "multiqc": {