chore: make the tests more meaningful

Author: honzajavorek

.gitignore

@@ -29,3 +29,4 @@ codegen/*/go.sum
 .github/styles/Microsoft
 .github/styles/write-good
 sources/academy/**/exercises/storage
+sources/academy/**/exercises/dataset.json

sources/academy/webscraping/scraping_basics_javascript/exercises/test.bats

@@ -3,87 +3,100 @@ setup() {
   export npm_config_yes=true
 }
 
+retry_run() {
+  for attempt in 1 2 3; do
+    run "$@"
+    (( status == 0 )) && return 0
+    sleep 1
+  done
+  return "$status"
+}
+
 @test "outputs the HTML with Star Wars products" {
   run npx node lego.mjs
   [[ "$output" == *"Millennium Falcon"* ]]
 }
 
 @test "counts the number of F1 Academy teams" {
   run npx --package=cheerio node f1academy_teams.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == "6" ]]
 }
 
 @test "counts the number of F1 Academy drivers" {
   run npx --package=cheerio node f1academy_drivers.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == "18" ]]
 }
 
 @test "lists African countries" {
   run npx --package=cheerio node wikipedia_countries.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *$'Comoros\nDemocratic Republic of the Congo\n'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "lists African countries with a single selector" {
   run npx --package=cheerio node wikipedia_countries_single_selector.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *$'Comoros\nDemocratic Republic of the Congo\n'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "lists Guardian F1 article titles" {
   run npx --package=cheerio node guardian_f1_titles.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *' F1 '* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "prints warehouse stock counts" {
   run npx --package=cheerio node warehouse_units.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *$'JBL Flip 4 Waterproof Portable Bluetooth Speaker | 672\n'* ]]
+  [[ "$output" == *$'Sony XBR-950G BRAVIA 4K HDR Ultra HD TV | 77\n'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "prints warehouse stock counts using regex" {
   run npx --package=cheerio node warehouse_units_regex.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *$'JBL Flip 4 Waterproof Portable Bluetooth Speaker | 672\n'* ]]
+  [[ "$output" == *$'Sony XBR-950G BRAVIA 4K HDR Ultra HD TV | 77\n'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "prints Guardian F1 titles with publish dates" {
   run npx --package=cheerio node guardian_publish_dates.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *' F1 '* ]]
+  [[ "$output" == *' | Sun '* ]]  # has info about date (articles published on Sunday are very likely)
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "filters products from JSON" {
   run npx node process_products_json.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == "{ title: 'Premium Speakers', minPrice: 75000, price: 75000 }" ]]
 }
 
 @test "lists Wikipedia country links" {
   run npx --package=cheerio node wikipedia_country_links.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *$'https://en.wikipedia.org/wiki/Algeria\nhttps://en.wikipedia.org/wiki/Angola\n'* ]]
+  [[ "$output" == *$'https://en.wikipedia.org/wiki/R%C3%A9union\n'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "lists Guardian F1 article links" {
   run npx --package=cheerio node guardian_f1_links.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *'https://www.theguardian.com/sport/'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "prints Wikipedia calling codes" {
   run npx --package=cheerio node wikipedia_calling_codes.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *$'https://en.wikipedia.org/wiki/Comoros +269\n'* ]]
+  [[ "$output" == *$'https://en.wikipedia.org/wiki/Sahrawi_Arab_Democratic_Republic null\n'* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "lists Guardian F1 authors" {
   run npx --package=cheerio node guardian_f1_authors.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == *' F1 '* ]]
+  [[ "$output" == *'Giles Richards: '* ]]  # writes most of them (we'll have to change this if they fire'him)
+  [[ "$output" == *'Guardian sport: '* || "$output" == *'PM Media: '* ]]
+  [[ $(echo "$output" | wc -l) -gt 5 ]]
 }
 
 @test "lists npm LLM packages" {
@@ -94,18 +107,19 @@ setup() {
 
 @test "finds the shortest CNN sports article" {
   run npx --package=cheerio node cnn_sports_shortest_article.mjs
-  (( status == 0 ))
-  [[ -n "$output" ]]
+  [[ "$output" == 'https://edition.cnn.com/'* ]]
 }
 
 @test "scrapes F1 Academy driver details with Crawlee" {
   run npx --package=crawlee node crawlee_f1_drivers.mjs
+  (( status == 0 ))
   [[ -n "$output" || -f dataset.json ]]
   rm -f dataset.json
 }
 
 @test "scrapes Netflix ratings with Crawlee" {
   run npx --package=crawlee node crawlee_netflix_ratings.mjs
+  (( status == 0 ))
   [[ -n "$output" || -f dataset.json ]]
   rm -f dataset.json
 }