Some tests to pin the new statistical capabilities (#470)

Author: Byron

tests/journey/ein.sh

@@ -55,6 +55,24 @@ title "Porcelain ${kind}"
                 expect_run_sh $SUCCESSFULLY "$exe t estimate-hours --omit-unify-identities 2>/dev/null"
               }
             )
+            (with "the --file-stats argument"
+              it "succeeds and shows file statistics" && {
+                WITH_SNAPSHOT="$snapshot/file-stats-success" \
+                expect_run_sh $SUCCESSFULLY "$exe tool estimate-hours --file-stats 2>/dev/null"
+              }
+            )
+            (with "the --line-stats argument"
+              it "succeeds and shows line statistics" && {
+                WITH_SNAPSHOT="$snapshot/line-stats-success" \
+                expect_run_sh $SUCCESSFULLY "$exe tool estimate-hours --line-stats 2>/dev/null"
+              }
+            )
+            (with "all --stats arguments and pii"
+              it "succeeds and shows all statistics" && {
+                WITH_SNAPSHOT="$snapshot/all-stats-success" \
+                expect_run_sh $SUCCESSFULLY "$exe tool estimate-hours -pfl 2>/dev/null"
+              }
+            )
             (with "a branch name that doesn't exist"
               it "fails and shows a decent enough error message" && {
                 WITH_SNAPSHOT="$snapshot/invalid-branch-name-failure" \

tests/snapshots/porcelain/estimate-hours/all-stats-success

@@ -0,0 +1,13 @@
+Sebastian Thiel <[email protected]>
+3 commits found
+total time spent: 2.00h (0.25 8h days, 100.00%)
+total files added/removed/modified: 1/0/1 (100.00%)
+total lines added/removed: 1/0 (100.00%)
+
+total hours: 2.00
+total 8h days: 0.25
+total commits = 3
+total authors: 1
+total files added/removed/modified: 1/0/1
+total lines added/removed: 1/0
+total unique authors: 1 (0.00% duplication)

tests/snapshots/porcelain/estimate-hours/file-stats-success

@@ -0,0 +1,6 @@
+total hours: 2.00
+total 8h days: 0.25
+total commits = 3
+total authors: 1
+total files added/removed/modified: 1/0/1
+total unique authors: 1 (0.00% duplication)

tests/snapshots/porcelain/estimate-hours/line-stats-success

@@ -0,0 +1,6 @@
+total hours: 2.00
+total 8h days: 0.25
+total commits = 3
+total authors: 1
+total lines added/removed: 1/0
+total unique authors: 1 (0.00% duplication)