refactor: rebuild app skeleton

Create skeleton for a complete rebuild of the prototype as a production
ready product.

Includes design patterns for:
 - dependency injection
 - unit testing with dependency mocking
 - integration testing
 - error handling
 - config storage

BREAKING-CHANGE: ground-up redesign with incompatible protocol standards

1 files changed, 145 insertions, 0 deletions

diff --git a/tests/login.rs b/tests/login.rs
new file mode 100644
index 0000000..a7e1889
--- /dev/null
+++ b/tests/login.rs
@@ -0,0 +1,145 @@
+use anyhow::Result;
+use serial_test::serial;
+use test_utils::*;
+
+static EXPECTED_NSEC_PROMPT: &str = "login with nsec (or hex private key)";
+
+fn standard_login() -> Result<CliTester> {
+    let mut p = CliTester::new(["login"]);
+
+    p.expect_input_eventually(EXPECTED_NSEC_PROMPT)?
+        .succeeds_with(TEST_KEY_1_NSEC)?;
+
+    p.expect_end_eventually()?;
+    Ok(p)
+}
+
+mod when_first_time_login {
+    use super::*;
+
+    #[test]
+    #[serial]
+    fn prompts_for_nsec() -> Result<()> {
+        with_fresh_config(|| {
+            standard_login()?;
+            Ok(())
+        })
+    }
+
+    #[test]
+    #[serial]
+    fn succeeds_with_text_logged_in_as_npub() -> Result<()> {
+        with_fresh_config(|| {
+            let mut p = CliTester::new(["login"]);
+
+            p.expect_input(EXPECTED_NSEC_PROMPT)?
+                .succeeds_with(TEST_KEY_1_NSEC)?;
+
+            p.expect_end_with(format!("logged in as {}\r\n", TEST_KEY_1_NSEC).as_str())
+        })
+    }
+
+    #[test]
+    #[serial]
+    fn next_time_returns_logged_in_as_npub() -> Result<()> {
+        with_fresh_config(|| {
+            standard_login()?.exit()?;
+
+            CliTester::new(["login"])
+                .expect(format!("logged in as {}\r\n", TEST_KEY_1_NSEC).as_str())?
+                .exit()
+        })
+    }
+}
+
+mod when_called_with_nsec_parameter {
+    use super::*;
+
+    #[test]
+    #[serial]
+    fn valid_nsec_param_succeeds_without_prompts() -> Result<()> {
+        with_fresh_config(|| {
+            CliTester::new(["--nsec", TEST_KEY_2_NSEC, "login"])
+                .expect_end_with(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())?;
+
+            CliTester::new(["login"])
+                .expect(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())?
+                .exit()
+        })
+    }
+
+    mod when_logging_in_as_different_nsec {
+        use super::*;
+
+        #[test]
+        #[serial]
+        fn valid_nsec_param_succeeds_without_prompts_and_logs_in() -> Result<()> {
+            with_fresh_config(|| {
+                standard_login()?.exit()?;
+
+                CliTester::new(["--nsec", TEST_KEY_2_NSEC, "login"])
+                    .expect(format!("logged in as {}\r\n", TEST_KEY_1_NSEC).as_str())?
+                    .expect_end_with(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())?;
+
+                CliTester::new(["login"])
+                    .expect(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())?
+                    .exit()
+            })
+        }
+    }
+}
+
+mod when_logged_in {
+    use super::*;
+
+    #[test]
+    #[serial]
+    fn returns_logged_in_as_npub() -> Result<()> {
+        with_fresh_config(|| {
+            standard_login()?.exit()?;
+
+            CliTester::new(["login"])
+                .expect(format!("logged in as {}\r\n", TEST_KEY_1_NSEC).as_str())?
+                .exit()
+        })
+    }
+
+    #[test]
+    #[serial]
+    fn prompts_to_log_in_with_different_nsec() -> Result<()> {
+        with_fresh_config(|| {
+            standard_login()?.exit()?;
+
+            let mut p = CliTester::new(["login"]);
+            p.expect(format!("logged in as {}\r\n", TEST_KEY_1_NSEC).as_str())?;
+
+            p.expect_input(EXPECTED_NSEC_PROMPT)?
+                .succeeds_with(TEST_KEY_2_NSEC)?;
+
+            p.expect_end_with(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())
+        })
+    }
+    mod when_logging_in_as_different_nsec {
+        use super::*;
+
+        #[test]
+        #[serial]
+        fn confirmed_as_logged_in_as_additional_user() -> Result<()> {
+            with_fresh_config(|| {
+                standard_login()?.exit()?;
+
+                let mut p = CliTester::new(["login"]);
+                p.expect(format!("logged in as {}\r\n", TEST_KEY_1_NSEC).as_str())?;
+
+                p.expect_input(EXPECTED_NSEC_PROMPT)?
+                    .succeeds_with(TEST_KEY_2_NSEC)?;
+
+                p.expect_end_with(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())?;
+
+                CliTester::new(["login"])
+                    .expect(format!("logged in as {}\r\n", TEST_KEY_2_NSEC).as_str())?
+                    .exit()
+            })
+        }
+    }
+}