Save all the things

go-sql-database/README.md

@@ -0,0 +1,6 @@
+# Learning SQL DB Access
+
+
+Resources: 
+
+http://go-database-sql.org/index.html It's the missing guide to the docs "how" to use the database/sql package.

go-sql-database/try-sqlite/main.go

@@ -266,4 +266,7 @@ func main() {
 			log.Fatal(err)
 		}
 	}
+
+	// Each driver has it's own error types
+
 }

go-web-app/README.md

@@ -19,3 +19,15 @@ I've taken this project a bit further then the article. Follow on work can inclu
     - [ ] Runs test suite
     - [ ] Tarball release artifact on Promote
     - [ ] Deb release artifact on Promote
+
+
+## Adding Libsql to a project
+
+First install the driver
+
+```
+go get github.com/tursodatabase/go-libsql
+```
+
+We will only use a local file for this project. We will will use `GO_WIKI_DB` environment variable to determine where the SQLite file is located. It will default to ./data like the previous file based system.
+

learn_go_with_tests/concurrency/CheckWebsites.go

@@ -0,0 +1,13 @@
+package concurrency
+
+type WebsiteChecker func(string) bool
+
+func CheckWebsites(wc WebsiteChecker, urls []string) map[string]bool {
+	results := make(map[string]bool)
+
+	for _, url := range urls {
+		results[url] = wc(url)
+	}
+
+	return results
+}

learn_go_with_tests/concurrency/CheckWebsites_test.go

@@ -0,0 +1,30 @@
+package concurrency
+
+import (
+	"reflect"
+	"testing"
+)
+
+func mockWebsiteChecker(url string) bool {
+	return url != "waat://furhurterwe.geds"
+}
+
+func TestWebsites(t *testing.T) {
+	websites := []string{
+		"http://google.com",
+		"http://hackaday.com",
+		"waat://furhurterwe.geds",
+	}
+
+	want := map[string]bool{
+		"http://google.com":       true,
+		"http://hackaday.com":     true,
+		"waat://furhurterwe.geds": false,
+	}
+
+	got := CheckWebsites(mockWebsiteChecker, websites)
+
+	if !reflect.DeepEqual(want, got) {
+		t.Fatalf("Wanted %v, got %v", want, got)
+	}
+}

learn_go_with_tests/concurrency/go.mod

@@ -0,0 +1,3 @@
+module concurrency
+
+go 1.22.5