diff --git a/tests/testthat/test-set_analysis_inputs_path.R b/tests/testthat/test-set_analysis_inputs_path.R
new file mode 100644
index 0000000..c883fa2
--- /dev/null
+++ b/tests/testthat/test-set_analysis_inputs_path.R
@@ -0,0 +1,57 @@
+test_that("returns expected value when not overridden by a global variable", {
+  data_location_ext <- "xxx"
+
+  output <-
+    callr::r(
+      func = function(set_analysis_inputs_path, data_location_ext) {
+        set_analysis_inputs_path(data_location_ext)
+      },
+      args = list(set_analysis_inputs_path, data_location_ext)
+    )
+
+  expect_equal(output, data_location_ext)
+})
+
+test_that("returns expected value when overridden by a global variable `proj_data_location_ext`", {
+  data_location_ext <- "xxx"
+  proj_data_location_ext <- "yyy"
+
+  output <-
+    callr::r(
+      func = function(set_analysis_inputs_path,
+                      data_location_ext,
+                      proj_data_location_ext) {
+        .GlobalEnv$proj_data_location_ext <- proj_data_location_ext
+        set_analysis_inputs_path(data_location_ext)
+      },
+      args = list(
+        set_analysis_inputs_path,
+        data_location_ext,
+        proj_data_location_ext
+      )
+    )
+
+  expect_equal(output, proj_data_location_ext)
+})
+
+test_that("returns expected value when overridden by a global variable `port_holdings_date`", {
+  data_location_ext <- "xxx"
+  port_holdings_date <- "zzz"
+
+  output <-
+    callr::r(
+      func = function(set_analysis_inputs_path,
+                      data_location_ext,
+                      port_holdings_date) {
+        .GlobalEnv$port_holdings_date <- port_holdings_date
+        set_analysis_inputs_path(data_location_ext)
+      },
+      args = list(
+        set_analysis_inputs_path,
+        data_location_ext,
+        port_holdings_date
+      )
+    )
+
+  expect_equal(output, paste0("../pacta-data/", port_holdings_date))
+})
diff --git a/tests/testthat/test-set_portfolio_parameters.R b/tests/testthat/test-set_portfolio_parameters.R
index d4710c3..21d8b48 100644
--- a/tests/testthat/test-set_portfolio_parameters.R
+++ b/tests/testthat/test-set_portfolio_parameters.R
@@ -1,17 +1,14 @@
 test_that("`set_portfolio_parameters()` works as expected", {
-  skip_if_R_CMD_check()
-
   test_set_portfolio_parameters_in_callr <- function(.param) {
     callr::r(
-      function(.params) {
-        devtools::load_all(quiet = TRUE)
+      function(set_portfolio_parameters, .params) {
         filepath <- tempfile(fileext = ".yml")
         yaml::write_yaml(list(default = list(parameters = .params)), filepath)
         set_portfolio_parameters(filepath)
 
         as.list.environment(.GlobalEnv)
       },
-      args = list(parameters)
+      args = list(set_portfolio_parameters, parameters)
     )
   }
 
diff --git a/tests/testthat/test-set_project_parameters.R b/tests/testthat/test-set_project_parameters.R
new file mode 100644
index 0000000..20ede31
--- /dev/null
+++ b/tests/testthat/test-set_project_parameters.R
@@ -0,0 +1,227 @@
+test_that("sets appropriate global variables", {
+  cfg <-
+    list(
+      default = list(
+        paths = list(
+          data_location_ext = "test_data_location_ext",
+          template_location = "test_template_location",
+          user_data_location = "test_user_data_location"
+        ),
+        reporting = list(
+          project_report_name = "test_project_report_name",
+          display_currency = "test_display_currency",
+          currency_exchange_value = 1.23
+        ),
+        parameters = list(
+          timestamp = "test_timestamp",
+          dataprep_timestamp = "test_dataprep_timestamp",
+          start_year = 2023,
+          horizon_year = 2029,
+          select_scenario = "test_select_scenario",
+          scenario_other = "test_scenario_other",
+          portfolio_allocation_method = "test_portfolio_allocation_method",
+          scenario_geography = "test_scenario_geography"
+        ),
+        sectors = list(
+          tech_roadmap_sectors = "test_tech_roadmap_sectors",
+          pacta_sectors_not_analysed = "test_pacta_sectors_not_analysed",
+          green_techs = "test_green_techs",
+          alignment_techs = "test_alignment_techs"
+        ),
+        scenario_sources_list = "test_scenario_sources_list",
+        scenario_geography_list = "test_scenario_geography_list",
+        asset_types = "test_asset_types",
+        equity_market_list = "test_equity_market_list",
+        methodology = list(
+          has_map = FALSE,
+          has_credit = TRUE,
+          has_revenue = TRUE,
+          inc_emissionfactors = TRUE
+        )
+      )
+    )
+
+  config_path <- withr::local_file("config.yml")
+  yaml::write_yaml(x = cfg, file = config_path)
+
+  test_globalenv_vars <-
+    callr::r(
+      func = function(set_project_parameters, config_path) {
+        set_project_parameters(config_path)
+        as.list.environment(.GlobalEnv)
+      },
+      args = list(set_project_parameters, config_path)
+    )
+
+  expect_equal(
+    test_globalenv_vars$proj_data_location_ext,
+    cfg$default$paths$data_location_ext
+  )
+  expect_equal(
+    test_globalenv_vars$project_report_name,
+    cfg$default$reporting$project_report_name
+  )
+  expect_equal(
+    test_globalenv_vars$display_currency,
+    cfg$default$reporting$display_currency
+  )
+  expect_equal(
+    test_globalenv_vars$currency_exchange_value,
+    cfg$default$reporting$currency_exchange_value
+  )
+  expect_equal(
+    test_globalenv_vars$financial_timestamp,
+    cfg$default$parameters$timestamp
+  )
+  expect_equal(
+    test_globalenv_vars$dataprep_timestamp,
+    cfg$default$parameters$dataprep_timestamp
+  )
+  expect_equal(
+    test_globalenv_vars$start_year,
+    as.numeric(cfg$default$parameters$start_year)
+  )
+  expect_equal(
+    test_globalenv_vars$time_horizon,
+    as.numeric(cfg$default$parameters$horizon_year)
+  )
+  expect_equal(
+    test_globalenv_vars$select_scenario,
+    cfg$default$parameters$select_scenario
+  )
+  expect_equal(
+    test_globalenv_vars$scenario_other,
+    cfg$default$parameters$scenario_other
+  )
+  expect_equal(
+    test_globalenv_vars$portfolio_allocation_method,
+    cfg$default$parameters$portfolio_allocation_method
+  )
+  expect_equal(
+    test_globalenv_vars$scenario_geography,
+    cfg$default$parameters$scenario_geography
+  )
+  expect_equal(
+    test_globalenv_vars$tech_roadmap_sectors,
+    cfg$default$sectors$tech_roadmap_sectors
+  )
+  expect_equal(
+    test_globalenv_vars$pacta_sectors_not_analysed,
+    cfg$default$sectors$pacta_sectors_not_analysed
+  )
+  expect_equal(
+    test_globalenv_vars$sector_list,
+    c(cfg$default$sectors$tech_roadmap_sectors, cfg$default$sectors$pacta_sectors_not_analysed)
+  )
+  expect_equal(
+    test_globalenv_vars$pacta_sectors_not_analysed,
+    cfg$default$sectors$pacta_sectors_not_analysed
+  )
+  expect_equal(
+    test_globalenv_vars$scenario_sources_list,
+    cfg$default$scenario_sources_list
+  )
+  expect_equal(
+    test_globalenv_vars$scenario_geographies_list,
+    cfg$default$scenario_geography_list
+  )
+  expect_equal(
+    test_globalenv_vars$asset_types,
+    cfg$default$asset_types
+  )
+  expect_equal(
+    test_globalenv_vars$equity_market_list,
+    cfg$default$equity_market_list
+  )
+  expect_equal(
+    test_globalenv_vars$green_techs,
+    cfg$default$sectors$green_techs
+  )
+  expect_equal(
+    test_globalenv_vars$alignment_techs,
+    cfg$default$sectors$alignment_techs
+  )
+  expect_equal(
+    test_globalenv_vars$has_map,
+    FALSE
+  )
+  expect_equal(
+    test_globalenv_vars$has_credit,
+    TRUE
+  )
+  expect_equal(
+    test_globalenv_vars$has_revenue,
+    TRUE
+  )
+  expect_equal(
+    test_globalenv_vars$inc_emission_factors,
+    TRUE
+  )
+})
+
+test_that("sets appropriate global variables when methodological vars are not in config", {
+  cfg <-
+    list(
+      default = list(
+        paths = list(
+          data_location_ext = "test_data_location_ext",
+          template_location = "test_template_location",
+          user_data_location = "test_user_data_location"
+        ),
+        reporting = list(
+          project_report_name = "test_project_report_name",
+          display_currency = "test_display_currency",
+          currency_exchange_value = 1.23
+        ),
+        parameters = list(
+          timestamp = "test_timestamp",
+          dataprep_timestamp = "test_dataprep_timestamp",
+          start_year = 2023,
+          horizon_year = 2029,
+          select_scenario = "test_select_scenario",
+          scenario_other = "test_scenario_other",
+          portfolio_allocation_method = "test_portfolio_allocation_method",
+          scenario_geography = "test_scenario_geography"
+        ),
+        sectors = list(
+          tech_roadmap_sectors = "test_tech_roadmap_sectors",
+          pacta_sectors_not_analysed = "test_pacta_sectors_not_analysed",
+          green_techs = "test_green_techs",
+          alignment_techs = "test_alignment_techs"
+        ),
+        scenario_sources_list = "test_scenario_sources_list",
+        scenario_geography_list = "test_scenario_geography_list",
+        asset_types = "test_asset_types",
+        equity_market_list = "test_equity_market_list"
+      )
+    )
+
+  config_path <- withr::local_file("config.yml")
+  yaml::write_yaml(x = cfg, file = config_path)
+
+  test_globalenv_vars <-
+    callr::r(
+      func = function(set_project_parameters, config_path) {
+        set_project_parameters(config_path)
+        as.list.environment(.GlobalEnv)
+      },
+      args = list(set_project_parameters, config_path)
+    )
+
+  expect_equal(
+    test_globalenv_vars$has_map,
+    TRUE
+  )
+  expect_equal(
+    test_globalenv_vars$has_credit,
+    FALSE
+  )
+  expect_equal(
+    test_globalenv_vars$has_revenue,
+    FALSE
+  )
+  expect_equal(
+    test_globalenv_vars$inc_emission_factors,
+    FALSE
+  )
+})
diff --git a/tests/testthat/test-set_web_parameters.R b/tests/testthat/test-set_web_parameters.R
new file mode 100644
index 0000000..05f5713
--- /dev/null
+++ b/tests/testthat/test-set_web_parameters.R
@@ -0,0 +1,37 @@
+test_that("sets appropriate global variables", {
+  cfg <-
+    list(
+      default = list(
+        paths = list(
+          data_location_ext = "test_data_location_ext",
+          template_location = "test_template_location",
+          user_data_location = "test_user_data_location"
+        )
+      )
+    )
+
+  config_path <- withr::local_file("config.yml")
+  yaml::write_yaml(x = cfg, file = config_path)
+
+  test_globalenv_vars <-
+    callr::r(
+      func = function(set_web_parameters, config_path) {
+        set_web_parameters(config_path)
+        as.list.environment(.GlobalEnv)
+      },
+      args = list(set_web_parameters, config_path)
+    )
+
+  expect_equal(
+    test_globalenv_vars$data_location_ext,
+    cfg$default$paths$data_location_ext
+  )
+  expect_equal(
+    test_globalenv_vars$template_path,
+    cfg$default$paths$template_location
+  )
+  expect_equal(
+    test_globalenv_vars$user_results_path,
+    cfg$default$paths$user_data_location
+  )
+})
diff --git a/tests/testthat/test-set_webtool_paths.R b/tests/testthat/test-set_webtool_paths.R
new file mode 100644
index 0000000..664c43d
--- /dev/null
+++ b/tests/testthat/test-set_webtool_paths.R
@@ -0,0 +1,41 @@
+test_that("sets appropriate global variables", {
+  test_globalenv_vars <-
+    callr::r(
+      func = function(set_webtool_paths) {
+        .GlobalEnv$working_location <- "test_wd"
+        .GlobalEnv$portfolio_name_ref_all <- "test_port_name"
+        set_webtool_paths()
+        as.list.environment(.GlobalEnv)
+      },
+      args = list(set_webtool_paths)
+    )
+
+  expect_equal(
+    test_globalenv_vars$project_location,
+    "test_wd/working_dir"
+  )
+  expect_equal(
+    test_globalenv_vars$log_path,
+    "test_wd/working_dir/00_Log_Files/test_port_name"
+  )
+  expect_equal(
+    test_globalenv_vars$par_file_path,
+    "test_wd/working_dir/10_Parameter_File"
+  )
+  expect_equal(
+    test_globalenv_vars$raw_input_path,
+    "test_wd/working_dir/20_Raw_Inputs"
+  )
+  expect_equal(
+    test_globalenv_vars$proc_input_path,
+    "test_wd/working_dir/30_Processed_Inputs"
+  )
+  expect_equal(
+    test_globalenv_vars$results_path,
+    "test_wd/working_dir/40_Results"
+  )
+  expect_equal(
+    test_globalenv_vars$outputs_path,
+    "test_wd/working_dir/50_Outputs"
+  )
+})