install.packages("covr")
 
# For devel version
devtools::install_github("r-lib/covr")

usethis::use_coverage()

library(covr)
 
# If run with no arguments implicitly calls `package_coverage()`
report()

# if `getwd()` is the package's directory.
package_coverage()
 
# or a package in another directory
cov <- package_coverage("/dir/lintr")
 
# view results as a data.frame
as.data.frame(cov)
 
# zero_coverage() shows only uncovered lines.
# If run within RStudio, `zero_coverage()` will open a marker pane with the
# uncovered lines.
zero_coverage(cov)

r_github_packages:
  - r-lib/covr
 
after_success:
  - Rscript -e 'covr::codecov()'

on_success:
  - Rscript -e "covr::codecov()"

r_github_packages:
  - r-lib/covr
 
after_success:
  - Rscript -e 'covr::coveralls()'

# exclude print functions
package_coverage(function_exclusions = "print\\.")
 
# exclude `.onLoad` function
package_coverage(function_exclusions = "\\.onLoad")

# exclude whole file of R/test.R
package_coverage(line_exclusions = "R/test.R")
 
# exclude lines 1 to 10 and 15 from R/test.R
package_coverage(line_exclusions = list("R/test.R" = c(1:10, 15)))
 
# exclude lines 1 to 10 from R/test.R, all of R/test2.R
package_coverage(line_exclusions = list("R/test.R" = c(1, 10), "R/test2.R"))

f1 <- function(x) {
  x + 1 # nocov
}

f2 <- function(x) { # nocov start
  x + 2
} # nocov end

options(covr.gcov = "path/to/gcov")

vignette("how_it_works", package = "covr")

---

3.5.1 by Jim Hester, 7 months ago

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https://covr.r-lib.org, https://github.com/r-lib/covr

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Report a bug at https://github.com/r-lib/covr/issues

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Browse source code at https://github.com/cran/covr

---

Authors: Jim Hester [aut, cre] , Willem Ligtenberg [ctb] , Kirill Müller [ctb] , Henrik Bengtsson [ctb] , Steve Peak [ctb] , Kirill Sevastyanenko [ctb] , Jon Clayden [ctb] , Robert Flight [ctb] , Eric Brown [ctb] , Brodie Gaslam [ctb] , Will Beasley [ctb] , Robert Krzyzanowski [ctb] , Markus Wamser [ctb] , Karl Forner [ctb] , Gergely Daróczi [ctb] , Jouni Helske [ctb] , Kun Ren [ctb] , Jeroen Ooms [ctb] , Ken Williams [ctb] , Chris Campbell [ctb] , David Hugh-Jones [ctb] , Qin Wang [ctb] , Ivan Sagalaev [ctb, cph] (highlight.js library) , Mark Otto [ctb] (Bootstrap library) , Jacob Thornton [ctb] (Bootstrap library) , Bootstrap contributors [ctb] (Bootstrap library) , Twitter , Inc [cph] (Bootstrap library)

---

Documentation:   PDF Manual  

---

GPL-3 license

---

Imports digest, stats, utils, jsonlite, rex, httr, crayon, withr, yaml

Depends on methods

Suggests R6, curl, knitr, rmarkdown, htmltools, DT, testthat, rlang, rstudioapi, xml2, parallel, memoise, mockery

---

Imported by GRANBase, SDraw, SMARTp, goodpractice, mdapack, pkgnet.

Suggested by ABCoptim, ADtools, ALA4R, ARTool, AmesHousing, AnthropMMD, BAS, BIRDS, BMRSr, BMTME, BTYDplus, BaseSet, BayesMRA, BayesMallows, BayesMassBal, BayesPostEst, BayesianReasoning, Bchron, BinaryDosage, CGGP, CLVTools, CVXR, CVrisk, CausalQueries, CholWishart, ClustImpute, ClusterR, ComplexUpset, ContourFunctions, CoordinateCleaner, DAISIE, DBI, DRDID, DSAIDE, DSAIRM, DTSg, DataExplorer, DataPackageR, DataSpaceR, Delaporte, DemoDecomp, DemografixeR, DepthProc, DescrTab2, DiagrammeR, Distance, DoubleML, ECOSolveR, EGRET, EGRETci, EML, EcoNetGen, Ecume, EmissV, EpiEstim, EpiNow2, EstimationTools, FKF, FLightR, FRK, FSA, FSelectorRcpp, FeatureImpCluster, FedData, FlyingR, FunnelPlotR, GGIR, GenomeAdmixR, GeoMongo, GetDFPData2, GlmSimulatoR, GxEScanR, HARtools, HURDAT, HaDeX, HiClimR, IBCF.MTME, ICON, IPDFileCheck, IndexNumR, Inflation, JSmediation, JWileymisc, JointAI, KMunicate, KernelKnn, LexisNexisTools, LoopRig, MDBED, MFPCA, MLVSBM, MODISTools, MSEtool, MTLR, MTSYS, MixMatrix, Momocs, MortalityGaps, NACHO, NetworkRiskMeasures, Nmisc, ODEsensitivity, OpenImageR, OpenLand, OpenMx, OpenRepGrid.ic, PCMBase, PCMBaseCpp, PELVIS, PKNCA, PLNmodels, PRDA, PROscorer, PROscorerTools, Pade, ParamHelpers, PlackettLuce, PooledCohort, PopED, PostcodesioR, RAQSAPI, RAthena, RCzechia, REDCapR, REPLesentR, REndo, RFishBC, RGF, RInno, RMariaDB, RNeXML, RNifti, RNiftyReg, RPostgres, RSA, RSQL, RSauceLabs, RSelenium, RVerbalExpressions, RWDataPlyr, RWmisc, RcppHNSW, RepoGenerator, Rpolyhedra, Rsagacmd, RtD3, RxODE, Rxnat, SAMtool, SCtools, SDMtune, SLEMI, SLOPE, SSLR, SciViews, ShrinkCovMat, SimCorMultRes, SmartEDA, SoilTaxonomy, SpaDES, SpaDES.core, SuperpixelImageSegmentation, Superpower, TDAstats, TargomoR, TextForecast, TrajDataMining, TwitterAutomatedTrading, UCSCXenaShiny, UCSCXenaTools, USAboundaries, VulnToolkit, WoodburyMatrix, WufooR, ace2fastq, activatr, actogrammr, adept, admixr, adoptr, aiRly, aire.zmvm, alfr, alfred, almanac, amapGeocode, angstroms, anomalize, antaresEditObject, antaresProcessing, antaresRead, antaresViz, anyflights, aopdata, applicable, apyramid, archetyper, arctools, areal, arealDB, arena2r, arenar, ariExtra, arkdb, arkhe, armspp, asciiSetupReader, assertthat, assignR, asymptor, attenuation, auditor, auk, autocogs, autokeras, autothresholdr, aweek, baRcodeR, bacondecomp, baggr, baguette, batata, batchr, bayesDP, bayesian, bayesmove, bcdata, bdDwC, bdchecks, bdclean, beam, behavr, belg, bench, benchmarkme, benchmarkmeData, betalink, bfw, bggum, bgmfiles, bigassertr, bigparallelr, bigreadr, bigrquery, bigsnpr, bigstatsr, bigutilsr, billboarder, binman, biolink, bioseq, biscale, bitmexr, bitsqueezr, bizdays, blastula, blindrecalc, blob, blockCV, blocklength, blorr, bnclassify, bnmonitor, bomrang, botor, bpcs, bracer, breathtestcore, breathteststan, brglm2, brio, broom, broom.helpers, bsem, bsplus, bumbl, busdater, butcher, cIRT, cRegulome, caRecall, caesar, caliver, callr, campfin, canvasXpress, carbonate, card, caret, carpenter, carrier, cartography, casen, catchr, categoryEncodings, catsim, cattonum, cdcfluview, cellranger, censo2017, censusxy, ceramic, cfda, cheatsheet, checkr, chemCal, chess, chk, chlorpromazineR, chorrrds, chunkR, cifti, ciftiTools, circle, circumplex, cleanNLP, cleancall, clere, cli, cliapp, clipr, clock, clusteredinterference, clustermole, clustree, cmcR, cmdfun, coalitions, codemetar, coder, coefplot, collections, colocr, colorednoise, colourvalues, comat, combinedevents, cometr, comorbidity, compareDF, comparer, comperank, comperes, compstatr, concurve, config, conflicted, confoundr, connections, conogive, contactdata, contentid, contextual, contrast, coreCT, corncob, corrcoverage, correlationfunnel, corrgrapher, corrr, cort, covequal, covid19us, cowplot, cpp11, cpr, cptcity, cqcr, cranlike, crimedata, crimeutils, cronologia, crossmap, crosstable, crossword.r, crplyr, crunch, crunchy, cubelyr, cumulocityr, cvCovEst, cvar, cvcqv, cvequality, cvms, cyclestreets, czechrates, damr, dann, dapr, darksky, dashboardthemes, data.validator, dataRetrieval, dataonderivatives, datapackage.r, datapasta, datasauRus, datastepr, daterangepicker, datos, datplot, datr, daymetr, dbflobr, dbplot, dbplyr, dccvalidator, debugme, decido, decor, deepredeff, dendextend, depigner, desc, descriptr, details, detectseparation, detrendr, devtools, dialr, dials, diceR, diffdf, diffviewer, dina, dint, discrim, disk.frame, disposables, distcomp, distributional, distributions3, disttools, dittodb, divest, diyar, dkanr, dm, dmdScheme, dockerfiler, docuSignr, document, documenter, docxtools, docxtractr, dominanceanalysis, doubt, downlit, dparser, dplyr, dplyr.teradata, dragulaR, driveR, dsmisc, dsrTest, dti, dtplyr, dttr2, dub, duckduckr, dyngen, dynprog, eRTG3D, eaf, earlyR, easyalluvial, eatATA, eatGADS, eatTools, ebirdst, echarts4r, ecmwfr, ecotox, eddi, edgarWebR, edwards97, effectsize, eflm, eia, eixport, elasdics, ellipsis, elmNNRcpp, eltr, embed, emld, empichar, eph, epicontacts, epigraphdb, epikit, episensr, eplusr, epubr, epwshiftr, eq5d, equatiomatic, era, ergm.ego, ergmito, err, erratum, errorist, errorlocate, escalation, essurvey, eulerr, evaluator, exampletestr, excelR, exifr, experDesign, extendedFamily, extraoperators, extras, exuber, eyelinker, ezcox, ezpickr, ezplot, fable, fable.prophet, fabletools, factory, fairmodels, fakemake, farver, fastDummies, fastRG, fastpos, fastshap, faux, fauxnaif, fcaR, fcci, fdaoutlier, feasts, felp, ferrn, ffscrapr, fgdr, fgeo, fgeo.analyze, fgeo.plot, fgeo.tool, fiery, filelock, filesstrings, finetune, fipe, fishbc, fitODBOD, fitzRoy, fixerapi, flexpolyline, flexsurvcure, flipr, flobr, flying, fmbasics, fmcmc, fmdates, fmf, fmriqa, foghorn, foieGras, fontawesome, foolbox, footprint, forcats, forecastML, forestmangr, forge, formattable, formulaic, formulops, foto, fpeek, fracture, fredr, freetypeharfbuzz, frequency, fresh, fs, fslr, funData, functiondepends, furrr, fuzzyjoin, fuzzywuzzyR, fwildclusterboot, fy, galah, gamma, ganalytics, garchmodels, gargle, gastempt, gbfs, gbm, gcite, geex, gemma2, gender, generics, geniusr, geobr, geoelectrics, geofacet, geofi, geogrid, geojsonR, geojsonsf, geometr, geometries, geouy, getCRUCLdata, getDTeval, getmstatistic, getopt, getspres, gfonts, gganimate, ggasym, ggdag, ggdist, ggeasy, ggedit, ggetho, ggforce, ggformula, ggfx, ggh4x, gghalfnorm, gghilbertstrings, ggimg, ggmix, ggmulti, ggnewscale, ggpage, ggperiodic, ggplot2, ggprism, ggraph, ggridges, ggsolvencyii, ggspatial, ggstance, ggthemes, ggwordcloud, gh, gibble, gifti, giftwrap, gitear, gitignore, gitlink, glancedata, glassdoor, glca, glmdisc, glmmboot, glmpca, glmtree, glue, gluedown, gmailr, gmat, goldi, golem, googleAnalyticsR, googleAuthR, googleCloudVisionR, googleComputeEngineR, googlePolylines, googlePublicData, googleTagManageR, googledrive, googlesheets, googlesheets4, grainchanger, grainscape, graphframes, grates, grattan, gravitas, gridtext, groupdata2, groupr, gsDesign, gsisdecoder, gt, gtable, gtfstools, gtsummary, guardianapi, gustave, gwsem, hackeRnews, hansard, hardhat, haven, hdme, healthcareai, heatmaply, heatwaveR, heddlr, helda, helixvis, here, hereR, hesim, hetu, highcharter, highfrequency, hillR, himach, hlidacr, hmstimer, holodeck, hpiR, hts, httptest, httr, hutilscpp, huxtable, i2extras, iBreakDown, iNZightMR, iNZightPlots, iNZightRegression, iNZightTS, iNZightTools, iai, ibb, ibmsunburst, ical, iccbeta, iheatmapr, ihpdr, ijtiff, imbibe, imgpalr, iml, incase, incidence, incidence2, infer, inferr, infix, ingredients, inlabru, inplace, insane, insee, inspector, interleave, ipa, ipfr, ipmr, ipumsr, isoband, isoreader, ivx, joineR, josaplay, joyn, jsTree, jsonify, jstor, kdensity, kendallRandomWalks, kerasR, kernelboot, keyholder, keyring, kgrams, khroma, kitagawa, klexdatr, knitrProgressBar, labelled, labelmachine, lamW, landscapemetrics, landscapetools, languagelayeR, languageserver, lans2r, lazyeval, lazytrade, lcars, lcc, ldsep, leaflet.extras2, leaflet.minicharts, leaflet.multiopacity, leanpubr, ledger, legocolors, leiden, leontief, leri, lexRankr, lgr, lgrExtra, lhs, librarysnapshot, lidR, lifecycle, lifx, likelihoodExplore, lime, linemap, lingtypology, linne, lisa, listWithDefaults, liteq, live, lmeInfo, lmtp, lobstr, localICE, localModel, loder, log, logger, lolR, loon, loon.ggplot, lotri, lubridate, lutz, lvmisc, lwgeom, magclass, magrittr, mailmerge, manipulateWidget, manymodelr, mapdeck, mapsf, maptiles, mapview, mason, matchmaker, mathpix, matlabr, matricks, matsbyname, matsindf, maxnodf, mboxr, mcmcderive, mcmcr, mcp, mcparallelDo, mcreplicate, mcvis, mde, mediacloudr, meditations, medrxivr, memery, memofunc, memoise, messaging, metR, metabolighteR, metaforest, metagam, metamer, metawho, methcon5, metro, mfGARCH, mfbvar, mgsub, midrangeMCP, mifa, migraph, mindicador, miniCRAN, missSBM, mixchar, mixpoissonreg, mize, mizer, mkin, mleap, mlflow, mlrMBO, mmand, mmapcharr, mmb, mnis, mobilityIndexR, mockr, mod, modeldata, modeldb, modelr, modeltests, modeltime, modeltime.ensemble, modeltime.h2o, modeltime.resample, moderndive, modifiedmk, monoClust, mosaic, motif, motifcluster, mpcmp, mpoly, mpspline2, mrds, mrf2d, msaeDB, msaeRB, mscstts, msgr, mudata2, multicolor, multidplyr, multifear, multilevelTools, multinomineq, mustashe, n1qn1, naijR, nakagami, nandb, naniar, nanostringr, naptime, nat.templatebrains, nationwider, ncdump, ncmeta, ndjson, neonstore, netdiffuseR, network, neurobase, neurohcp, nhdR, nitrcbot, nlist, nlmixr, nlrx, nmslibR, noaaoceans, noah, noctua, nombre, nomnoml, normalr, nprcgenekeepr, nsapi, nse2r, nsrr, nvctr, od, odbc, olsrr, omsvg, ondisc, oolong, openadds, opendatatoronto, opentripplanner, optiRum, optim.functions, optparse, oro.nifti, osfr, oshka, osmextract, osrm, otp, otpr, outbreaks, outcomerate, overture, overviewR, owmr, oxcgrt, oxcovid19, oysteR, ozmaps, packDAMipd, packager, packer, pacotest, pafr, pagoo, pak, paletteer, palr, panelr, parcats, parlitools, parsedate, parsnip, partR2, partition, passport, passt, pastecs, patchwork, pathfindR, paws.common, pcFactorStan, pcal, pccc, pcr, pct, pdi, pdqr, pds3, peRspective, perccalc, phenocamr, phillydaodata, phyr, piggyback, pingr, pins, pipenostics, pkgbuild, pkgcache, pkgcond, pkgconfig, pkgdown, pkglite, pkgload, pkgnews, pkgsearch, plsmod, pltesim, plu, plyr, pmc, pmdplyr, pmml, pmwg, pocketapi, pointblank, poissonreg, polite, pollen, polmineR, polylabelr, popEpi, portalr, postlightmercury, postlogic, potential, poweRlaw, powerLATE, ppcong, ppdiag, ppitables, precisely, predictrace, presentes, prettyB, prettycode, prettyunits, prevederer, primefactr, prism, prismadiagramR, prismatic, probably, processx, procmaps, prodigenr, productplots, prof.tree, projmgr, proto, proustr, prt, ps, psycModel, psycho, psychrolib, psyverse, publipha, pubtatordb, puls, purrr, purrrlyr, qMRI, qtl2pleio, quadmesh, qualmap, quanteda.textmodels, queryparser, quickPlot, qwraps2, r2dii.analysis, r2dii.data, r2dii.match, r2rtf, r3dmol, r5r, r6extended, rAltmetric, rODE, rPackedBar, rTRNG, rWishart, raceland, radous, ragg, ralger, ramlegacy, rando, rappdirs, rasterly, rasterpdf, ratPASTA, ratelimitr, rater, raytracing, rbgm, rbi, rbi.helpers, rbin, rcartocolor, rchie, rcmdcheck, rco, rdecision, rdflib, rdiversity, reactable, readODS, readr, readrba, readthat, readwritesqlite, readxl, rearrr, rebird, recipes, refuge, regexTestR, regions, rematch, rematch2, remotes, renv, reportfactory, reprex, reproducible, reproj, reqres, reshape2, retractcheck, retroharmonize, retry, revss, rex, rfieldclimate, rfishbase, rflights, rfm, rfordummies, rgee, rgeopat2, rgexf, rgrassdoc, rhmmer, rhub, ricu, riingo, rintrojs, ripserr, riskclustr, rlang, rlas, rle, rmapshaper, rmapzen, rmdpartials, rmdplugr, rmonad, rmoo, rnbp, rngtools, rnpn, rnr, rnrfa, roadoi, roben, robotstxt, robvis, rock, roistats, roll, ropendata, rosm, rotor, roundhouse, routr, roxygen2, rpdo, rpicosat, rppo, rprev, rprime, rprojroot, rrd, rrum, rsample, rscontract, rsimsum, rsinaica, rslp, rsparse, rsppfp, rstac, rstack, rtide, rtika, rtrek, rtweet, ruler, rules, runstats, rvest, rvg, rwhatsapp, sGMRFmix, sabre, saeSim, sail, salty, samplingbook, sankey, santoku, sars, sarsop, sbm, sbo, scales, schrute, scifigure, scopr, scoringTools, sdcLog, sdmApp, searcher, seasonal, secret, securitytxt, seecolor, seer, segregation, seleniumPipes, semantic.dashboard, semver, sensemakr, sensobol, sentometrics, sentryR, seqgendiff, sergeant, serp, sessioninfo, sf, sfdct, sfheaders, sftrack, shades, shapper, shar, shinipsum, shiny.i18n, shiny.info, shiny.router, shiny.semantic, shiny.worker, shinyML, shinyMatrix, shinyShortcut, shinyWidgets, shinybusy, shinyobjects, shinyypr, showimage, sicegar, sigminer, sigmoid, signnet, signs, silicate, simPH, simcdm, simfinapi, simglm, simhelpers, simmr, simplecolors, simplextree, sims, simstandard, simstudy, skeletor, sketch, skimr, skynet, slackr, sleepr, slga, slickR, slider, sloop, slurmR, smapr, smartmap, smoothr, snakecase, snotelr, sonicscrewdriver, sortable, sovereign, spMaps, spacey, spaero, sparseLRMatrix, sparseinv, spatialsample, spatialwarnings, spatialwidget, spbabel, spdplyr, spduration, spex, spiderbar, spind, spinifex, spiritR, splashr, splitstackshape, spotoroo, sqlscore, squashinformr, srt, ssdtools, sss, sstModel, stacks, stagedtrees, stapler, stars, statebins, states, stationaRy, statnet.common, stats19, stemmatology, stencilaschema, stlcsb, stopwords, strex, strider, stringb, stringr, subformula, sugrrants, summariser, supernova, suppdata, supreme, surveydata, survxai, svDialogs, svGUI, svMisc, svSocket, svUnit, svglite, swatches, syn, syntaxr, systemfonts, tRophicPosition, table.glue, tableschema.r, tabr, tabshiftr, tabularaster, tacmagic, tactile, tanaka, tauturri, taxadb, taxalight, tbrf, tcgsaseq, tdigest, tdsc, tealeaves, telegram.bot, templates, tenispolaR, tensorr, tensr, term, terrainr, testit, testthat, testthis, texPreview, text, text2speech, text2vec, textTinyR, textdata, textfeatures, textrecipes, textreuse, textshaping, tfse, thankr, themetagenomics, themis, thinkr, threesixtygiving, tibble, tibbletime, tibblify, tidyHeatmap, tidyRSS, tidySEM, tidyUSDA, tidybayes, tidycode, tidycomm, tidyfast, tidygapminder, tidygraph, tidyhydat, tidyjson, tidylo, tidylog, tidymodels, tidync, tidypmc, tidyposterior, tidypredict, tidyquery, tidyqwi, tidyr, tidyselect, tidytext, tidytuesdayR, tidyverse, tiler, tinter, tinyProject, tinylabels, tmap, tmuxr, togglr, tokenizers, tor, torch, tourr, toxEval, tracer, trackeR, trackter, traipse, transx, tree.interpreter, treestartr, trekcolors, trekfont, trelliscopejs, trendchange, trending, triangle, trip, triplot, tryCatchLog, tsibble, tsmp, tune, tweenr, twn, txshift, typed, tzdb, ubms, uklr, ukpolice, ulid, uncmbb, unglue, unheadr, unine, unitizer, univariateML, universals, unjoin, unpivotr, updog, urlshorteneR, usa, useful, usefun, usemodels, usethis, usmap, utf8, utilsIPEA, uwot, validatedb, validatetools, valr, valueEQ5D, vapour, vctrs, vein, vembedr, vimp, vinereg, vip, viridis, viridisLite, virtuoso, visTree, viscomplexr, vistime, vitae, vivid, voteogram, votesmart, vov, vroom, wactor, waldo, wand, warp, waterquality, waveslim, wdm, wdman, webchem, webdriver, whereami, whereport, whitechapelR, whitestrap, whoami, widyr, wikifacts, withr, wordpiece, workflowr, workflows, workflowsets, x3ptools, xlsx, xml2, xmlparsedata, xnet, xrf, xtune, yamlme, yaps, yardstick, yesno, ymlthis, yotover, youtubecaption, ypr, yum, zeitgebr, zip, zipangu, zipcodeR, zonebuilder, zscorer.

Enhanced by cusum.

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See at CRAN