Removed false starts.
This commit is contained in:
parent
aef8c68853
commit
0a889b6c3c
@ -8,6 +8,9 @@ impl Databases {
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pub fn new() -> Self {
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Self {}
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}
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fn add_database(&self, _name: &str) {
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}
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}
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#[derive(Clone)]
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@ -83,8 +86,10 @@ mod databases {
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use super::*;
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#[test]
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fn get_bytes_for_new() {
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Databases::new();
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fn add_database() {
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let dbs = Databases::new();
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let name = "db1";
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dbs.add_database(name);
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}
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}
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@ -1,398 +0,0 @@
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/*
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use async_std::sync::{Arc, RwLock};
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use std::{collections::HashMap, error::Error, fmt, str::FromStr};
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#[derive(Debug)]
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pub struct DBError {
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detail: String,
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source: Option<Box<DBError>>,
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}
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impl DBError {
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fn new(detail: String) -> Self {
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Self {
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detail: detail.to_string(),
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source: None,
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}
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}
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}
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impl fmt::Display for DBError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", &self.detail)
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}
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}
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impl Error for DBError {
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fn source(&self) -> Option<&(dyn Error + 'static)> {
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match &self.source {
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Some(err) => Some(err),
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None => None,
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}
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}
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}
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#[derive(Clone, PartialEq)]
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pub enum FieldType {
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Table,
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}
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impl fmt::Display for FieldType {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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FieldType::Table => write!(f, "table"),
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}
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}
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}
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impl FromStr for FieldType {
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type Err = DBError;
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fn from_str(input: &str) -> Result<FieldType, Self::Err> {
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match input {
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"table" => Ok(FieldType::Table),
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_ => Err(DBError::new(format!("field type {} does not exist", input))),
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}
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}
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}
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pub struct Table {
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fields: Arc<RwLock<HashMap<String, FieldType>>>,
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}
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impl Table {
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pub async fn new() -> Self {
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Self {
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fields: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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pub async fn update_field(&self, name: &str, ftype: &str) -> Result<(), Box<dyn Error>> {
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let ftype = match FieldType::from_str(ftype) {
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Ok(field) => field,
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Err(err) => {
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let mut error = DBError::new(format!("failed to add field {}", name));
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error.source = Some(Box::new(err));
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return Err(Box::new(error));
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}
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};
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let mut fmap = self.fields.write().await;
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match fmap.get(name) {
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Some(_) => Err(Box::new(DBError::new(format!(
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"field {} already exists",
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name
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)))),
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None => {
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fmap.insert(name.to_string(), ftype);
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Ok(())
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}
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}
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}
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pub async fn fields(&self) -> HashMap<String, FieldType> {
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let fmap = self.fields.read().await;
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fmap.clone()
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}
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}
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*/
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use async_std::sync::{Arc, RwLock};
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use std::collections::HashMap;
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pub mod error;
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mod fieldtype;
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use error::MTTError;
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use fieldtype::FieldType;
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#[derive(Clone)]
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pub struct MoreThanText;
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impl MoreThanText {
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pub async fn new() -> Self {
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Self {}
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}
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pub async fn add_table(&self, name: &str) -> Table {
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Table::new()
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}
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pub async fn get_table(&self, name: &str) -> Table {
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Table::new()
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}
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}
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#[derive(Clone, PartialEq)]
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struct FieldDef;
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pub struct Table {
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fields: Arc<RwLock<HashMap<String, FieldDef>>>,
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}
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impl Table {
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fn new() -> Self {
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Self {
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fields: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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async fn add_field(&self, name: &str) {
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let mut field_defs = self.fields.write().await;
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field_defs.insert(name.to_string(), FieldDef {});
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}
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async fn get_field(&self, name: &str) -> Option<FieldDef> {
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let field_defs = self.fields.read().await;
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match field_defs.get(name) {
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Some(def) => Some(def.clone()),
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None => None,
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}
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}
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async fn new_record(&self) -> Record {
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Record::new()
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}
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}
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struct Record {
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data: Arc<RwLock<HashMap<String, FieldType>>>,
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}
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impl Record {
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fn new() -> Self {
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Self {
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data: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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/*
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async fn update_field(&self, name: String, data: FieldType) {
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let mut map = self.data.write().await;
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map.insert(name, data);
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}
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async fn get_field(&self, name: &str) -> Option<FieldType> {
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let map = self.data.read().await;
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match map.get(name) {
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Some(field) => Some(field.clone()),
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None => None,
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}
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}
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*/
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}
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#[cfg(test)]
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mod databases {
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use super::*;
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#[async_std::test]
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async fn new_database() {
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MoreThanText::new().await;
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}
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async fn add_table() {
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let db = MoreThanText::new().await;
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let name = "table";
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db.add_table(name).await;
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db.get_table(name).await;
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}
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}
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#[cfg(test)]
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mod tables {
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use super::*;
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#[test]
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fn new_table() {
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Table::new();
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}
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#[async_std::test]
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async fn add_field_definition() {
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let tbl = Table::new();
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let name = "field";
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let expected = FieldDef {};
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tbl.add_field(name).await;
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let output = tbl.get_field(name).await.unwrap();
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assert!(output == expected, "Did not return a field definition.");
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}
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#[async_std::test]
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async fn missing_field_definition() {
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let tbl = Table::new();
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let output = tbl.get_field("missing").await;
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assert!(
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output == None,
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"Should return None if field does not exist."
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);
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}
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#[async_std::test]
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async fn get_empty_record() {
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let tbl = Table::new();
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tbl.new_record().await;
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}
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}
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#[cfg(test)]
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mod records {
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use super::*;
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/*
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#[async_std::test]
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async fn update_fields() {
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let rec = Record::new();
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let name = "elephant";
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let data = "";
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let sstr = StaticString::new();
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rec.update_field(name.to_string(), sstr).await;
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let output = rec.get_field(name).await.unwrap();
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assert!(
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output.to_string() == data,
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"\n\nGot: {}\nWant: {}\n\n",
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output.to_string(),
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data
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)
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}
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#[async_std::test]
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async fn empty_field() {
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let rec = Record::new();
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let name = "mull";
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let output = rec.get_field(name).await;
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assert!(output == None, "Should return an option.");
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}
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*/
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}
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/*
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#[cfg(test)]
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mod tables {
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use super::*;
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#[async_std::test]
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async fn new_table() {
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Table::new().await;
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}
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#[async_std::test]
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async fn update_field() {
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let table = Table::new().await;
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let mut expected: HashMap<String, FieldType> = HashMap::new();
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expected.insert("stan".to_string(), FieldType::Table);
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expected.insert("lee".to_string(), FieldType::Table);
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table.update_field("stan", "table").await.unwrap();
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table.update_field("lee", "table").await.unwrap();
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let output = table.fields().await;
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assert!(output == expected, "Table did not get the fields added.");
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}
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#[async_std::test]
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async fn add_bad_field() -> Result<(), String> {
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let table = Table::new().await;
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let name = "failure";
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let bad_type = "ljksdbtt";
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let expected = format!("failed to add field {}", name);
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let source = format!("field type {} does not exist", bad_type);
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match table.update_field(name, bad_type).await {
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Ok(_) => Err("A bad field type should not return successfully".to_string()),
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Err(err) => {
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if format!("{}", err) != expected {
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Err(format!("Got: '{}' - Want: '{}'", err, expected))
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} else if format!("{}", err.source().unwrap()) != source {
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Err(format!(
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"Got: '{}' - Want: '{}'",
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err.source().unwrap(),
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source
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))
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} else {
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Ok(())
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}
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}
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}
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}
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#[async_std::test]
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async fn add_duplicate_field() -> Result<(), String> {
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let table = Table::new().await;
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let name = "twice";
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let expected = format!("field {} already exists", name);
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table.update_field(name, "table").await.unwrap();
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match table.update_field(name, "table").await {
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Ok(_) => Err(format!("Cannot have two fields with named '{}'", name)),
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Err(err) => {
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if format!("{}", err) == expected {
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Ok(())
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} else {
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Err(format!("Got: '{}' - Want: '{}'", err, expected))
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}
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}
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}
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}
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}
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#[cfg(test)]
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mod databases {
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use super::*;
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#[async_std::test]
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async fn new_database() {
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MoreThanText::new().await;
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}
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#[async_std::test]
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async fn add_table() {
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let db = MoreThanText::new().await;
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db.add_table("fred".to_string()).await;
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}
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}
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#[cfg(test)]
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mod fieldtypes {
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use super::*;
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fn get_field_map() -> HashMap<String, FieldType> {
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let mut fields: HashMap<String, FieldType> = HashMap::new();
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fields.insert("table".to_string(), FieldType::Table);
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return fields;
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}
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#[test]
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fn convert_to_string() {
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for (key, value) in get_field_map().iter() {
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assert!(
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key == &value.to_string(),
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"\n\nGot: {}\nWant: {}\n\n",
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value.to_string(),
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key
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);
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}
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}
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#[test]
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fn convert_from_string() {
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for (key, value) in get_field_map().iter() {
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assert!(
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&FieldType::from_str(key).unwrap() == value,
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"\n\nDid not return a FieldType::{}",
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key
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);
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}
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}
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#[test]
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fn convert_from_string_error() -> Result<(), String> {
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let ftype = "lkjsdfh";
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let expected = format!("field type {} does not exist", ftype);
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match FieldType::from_str(ftype) {
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Ok(_) => Err(format!("Found field type {}", ftype)),
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Err(err) => {
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if format!("{}", err) == expected {
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Ok(())
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} else {
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Err(format!("Got: '{}' - Want: '{}'", err, expected))
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}
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}
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}
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}
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}
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*/
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@ -1,120 +0,0 @@
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pub mod error;
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pub mod fieldtype;
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use async_std::sync::{Arc, RwLock};
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use error::MTTError;
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use std::collections::HashMap;
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#[derive(Clone)]
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pub struct MoreThanText {
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tables: Arc<RwLock<HashMap<String, Table>>>,
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}
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impl MoreThanText {
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pub async fn new() -> Self {
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Self {
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tables: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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pub async fn new_table<S>(&self, tname: S) -> Result<Table, MTTError>
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where
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S: Into<String>,
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{
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let mut tables = self.tables.write().await;
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let name = tname.into();
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match tables.get(&name) {
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Some(_) => Err(MTTError::new(format!("table {} already exists", name))),
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None => {
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let table = Table::new().await;
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tables.insert(name, table.clone());
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Ok(table)
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}
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}
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}
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pub async fn get_table(&self, name: &str) -> Option<Table> {
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let tables = self.tables.read().await;
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match tables.get(name) {
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Some(tbl) => Some(tbl.clone()),
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None => None,
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}
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}
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}
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#[derive(Clone)]
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pub struct Table;
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impl Table {
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pub async fn new() -> Self {
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Self {}
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}
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async fn new_column(&self, _name: &str, _type: &str) {}
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}
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#[cfg(test)]
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mod database {
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use super::*;
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#[async_std::test]
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async fn create_table_with_str() {
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let db = MoreThanText::new().await;
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db.new_table("william").await.unwrap();
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}
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#[async_std::test]
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async fn create_table_with_string() {
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let db = MoreThanText::new().await;
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db.new_table("marvin".to_string()).await.unwrap();
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}
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#[async_std::test]
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async fn table_names_are_unique() -> Result<(), String> {
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let db = MoreThanText::new().await;
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let name = "alexandar";
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let msg = format!("table {} already exists", name);
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db.new_table(name).await.unwrap();
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match db.new_table(name).await {
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Ok(_) => Err("Duplicate table names are not allowed.".to_string()),
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Err(err) => {
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if err.to_string() == msg {
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Ok(())
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} else {
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Err(format!(
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"Error message is incorrect: Got: '{}' Want: '{}'",
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err.to_string(),
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msg
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))
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}
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}
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}
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}
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#[async_std::test]
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async fn get_non_existant_table() {
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let db = MoreThanText::new().await;
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let table = db.get_table("missing").await;
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assert!(table.is_none(), "There should be no table.");
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}
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#[async_std::test]
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async fn get_a_table() {
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let db = MoreThanText::new().await;
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let name = "here";
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db.new_table(name).await.unwrap();
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let table = db.get_table(name).await;
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assert!(table.is_some(), "Table should be found.");
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}
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}
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#[cfg(test)]
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mod table {
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use super::*;
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#[async_std::test]
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async fn add_column() {
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let tbl = Table::new().await;
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tbl.new_column("fred", "StaticString").await;
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}
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}
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@ -1,153 +0,0 @@
|
||||
pub mod error;
|
||||
|
||||
use async_std::sync::{Arc, RwLock};
|
||||
use error::DBError;
|
||||
use std::collections::HashMap;
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct MoreThanText {
|
||||
databases: Arc<RwLock<HashMap<String, Database>>>,
|
||||
}
|
||||
|
||||
impl MoreThanText {
|
||||
pub async fn new() -> Self {
|
||||
Self {
|
||||
databases: Arc::new(RwLock::new(HashMap::new())),
|
||||
}
|
||||
}
|
||||
|
||||
async fn create_database(&self, name: &str) -> Result<(), DBError> {
|
||||
let mut databases = self.databases.write().await;
|
||||
match databases.get(name) {
|
||||
Some(_) => Err(DBError::new("duplicate database name")),
|
||||
None => {
|
||||
let db = Database::new().await;
|
||||
databases.insert(name.to_string(), db);
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async fn use_database(&self, name: &str) -> Result<Database, DBError> {
|
||||
let databases = self.databases.read().await;
|
||||
match databases.get(name) {
|
||||
Some(db) => Ok(db.clone()),
|
||||
None => Err(DBError::new("database name not found")),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
struct Database;
|
||||
|
||||
impl Database {
|
||||
async fn new() -> Self {
|
||||
Self {}
|
||||
}
|
||||
|
||||
async fn add_table(&self, _name: &str) {}
|
||||
}
|
||||
|
||||
struct Table;
|
||||
|
||||
impl Table {
|
||||
async fn new() -> Self {
|
||||
Self {}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod engine_functions {
|
||||
use super::*;
|
||||
|
||||
#[async_std::test]
|
||||
async fn create_database() {
|
||||
let mtt = MoreThanText::new().await;
|
||||
mtt.create_database("smith").await.unwrap();
|
||||
}
|
||||
|
||||
#[async_std::test]
|
||||
async fn database_names_must_be_unique() -> Result<(), DBError> {
|
||||
let mtt = MoreThanText::new().await;
|
||||
let msg = "duplicate database name";
|
||||
mtt.create_database("john").await.unwrap();
|
||||
match mtt.create_database("john").await {
|
||||
Ok(_) => Err(DBError::new("Duplicate names should cause error")),
|
||||
Err(err) => {
|
||||
if err.to_string() == msg {
|
||||
Ok(())
|
||||
} else {
|
||||
Err(DBError::new(format!(
|
||||
"incorrect err message: got: '{}' want: '{}'",
|
||||
err.to_string(),
|
||||
msg
|
||||
)))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[async_std::test]
|
||||
async fn use_database() -> Result<(), DBError> {
|
||||
let mtt = MoreThanText::new().await;
|
||||
let dbname = "Johnson";
|
||||
mtt.create_database(dbname).await.unwrap();
|
||||
mtt.use_database(dbname).await.unwrap();
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[async_std::test]
|
||||
async fn use_missing_database() -> Result<(), DBError> {
|
||||
let error = "database name not found";
|
||||
let mtt = MoreThanText::new().await;
|
||||
match mtt.use_database("ssmith").await {
|
||||
Ok(_) => Err(DBError::new("Should raise database missing error")),
|
||||
Err(err) => {
|
||||
if err.to_string() == error {
|
||||
Ok(())
|
||||
} else {
|
||||
Err(DBError::new(format!(
|
||||
"Incorrect error message: Got '{}' Want '{}'",
|
||||
err.to_string(),
|
||||
error
|
||||
)))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[async_std::test]
|
||||
async fn create_get_table() {
|
||||
let db = "thedatabase";
|
||||
let mtt = MoreThanText::new().await;
|
||||
mtt.create_database(db).await.unwrap();
|
||||
let dbase = mtt.use_database(db).await.unwrap();
|
||||
dbase.add_table("melvin").await;
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod database_functions {
|
||||
use super::*;
|
||||
|
||||
#[async_std::test]
|
||||
async fn new_database() {
|
||||
Database::new().await;
|
||||
}
|
||||
|
||||
#[async_std::test]
|
||||
async fn new_table() {
|
||||
let db = Database::new().await;
|
||||
db.add_table("fred").await;
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod table_functions {
|
||||
use super::*;
|
||||
|
||||
#[async_std::test]
|
||||
async fn new_table() {
|
||||
Table::new().await;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user